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PRO CIRCUIT

PRO CIRCUIT

PRO CIRCUIT

Pro Circuit Exhaust Systems and Performance Parts at JJ Motorsports

Pro Circuit, established in the late 1970s by Mitch Payton, is a leading name in the motocross and off-road racing industry. The company focuses on providing superior aftermarket exhaust systems, suspension components, and engine performance kits to enhance motorcycle performance for professional racers and casual riders alike. With a commitment to excellence and innovation, Pro Circuit has grown to become a trusted brand for dirt bike enthusiasts worldwide.

At JJ Motorsports, we offer a wide selection of Pro Circuit products to optimize your dirt bike's performance. Popular items include the Ti-6 Exhaust System for Honda CRF450R, engineered from titanium for lightweight durability and increased horsepower, the Ti-6 Dual Exhaust System for Kawasaki KX450 with a carbon fiber end cap for enhanced power and torque, and the T-6 Exhaust System for Honda CRF110F featuring stainless steel construction and a spark arrestor. Other favorites are the T-6 Exhaust System for Honda CRF250R designed for reliable power output, the Works Pipe for Yamaha YZ250 with a raw carbon steel finish for superior performance, and the T-6 Stainless Steel Exhaust System for KTM 250 SX-F offering hassle-free installation.

Pro Circuit products provide significant benefits such as increased horsepower, torque, and durability, along with reduced weight and improved sound compliance for off-road use. Key features include high-quality materials like titanium, stainless steel, and carbon fiber, precise fitment for models like Honda CRF series, Yamaha YZ, Kawasaki KX, and KTM SX-F, and designs that meet AMA/FIM regulations, making them ideal for motocross and trail riding.

  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • On Sale
    Pro Circuit 304 Silencer for KTM 300 XC 2011-2016 1051130

    Pro Circuit 304 Silencer for KTM 300 XC 2011-2016 1051130

    PRO CIRCUIT

    MSRP: $171.95
    Now: $151.32
    Was: $171.95
    Elevate your riding experience with the Pro Circuit 304 Silencer, meticulously engineered for two-stroke motorcycles. This silencer strikes the perfect balance between enhanced power and reduced...
    18211323
    SKU:
    18211323
    Availability:
    Ships Same Business Day
    Weight:
    3.51 LBS
    END CAP MATERIAL:
    STAINLESS STEEL
    UNITS:
    EACH
    STYLE:
    ROUND
    MUFFLER COLOR/FINISH:
    BRUSHED
    MUFFLER MATERIAL:
    6061 T6 ALUMINUM
    PRODUCT NAME:
    SILENCER
    MODEL:
    304
    PIPE MATERIAL:
    STAINLESS STEEL
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    SLIP-ON
    MSRP: $171.95
    Now: $151.32
    Was: $171.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $171.95
    Now: $151.32
    Was: $171.95
    Subtotal:
  • On Sale
    Pro Circuit 304 Silencer for KTM 65 SX 2016-2023 1051665

    Pro Circuit 304 Silencer for KTM 65 SX 2016-2023 1051665

    PRO CIRCUIT

    MSRP: $171.95
    Now: $151.32
    Was: $171.95
    Enhance your riding experience with the Pro Circuit 304 Factory Sound Silencer, engineered for two-stroke motorcycles. This high-performance silencer not only elevates your bike's power output but...
    18211770
    SKU:
    18211770
    Availability:
    Ships Same Business Day
    Weight:
    1.65 LBS
    UNITS:
    EACH
    MUFFLER COLOR/FINISH:
    BRUSHED
    PRODUCT NAME:
    SILENCER
    STYLE:
    ROUND
    MODEL:
    304
    PIPE MATERIAL:
    STAINLESS STEEL
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    SLIP-ON
    END CAP MATERIAL:
    STAINLESS STEEL
    MUFFLER MATERIAL:
    6061 T6 ALUMINUM
    MSRP: $171.95
    Now: $151.32
    Was: $171.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $171.95
    Now: $151.32
    Was: $171.95
    Subtotal:
  • On Sale
    Pro Circuit Monster Beanie Black 2025 PC08403-0200

    Pro Circuit Monster Beanie Black 2025 PC08403-0200

    PRO CIRCUIT

    MSRP: $28.50
    Now: $25.08
    Was: $28.50
    Stay warm and stylish with the PRO CIRCUIT Monster Beanie. Designed for both comfort and performance, this beanie features a sleek black design adorned with the iconic Monster logo, making it a...
    25010944
    SKU:
    25010944
    Availability:
    Ships Same Business Day
    Weight:
    0.18 LBS
    BASE COLOR:
    BLACK
    MATERIAL:
    TEXTILE
    RIDING STYLE:
    ATV
    RIDING STYLE:
    OFF-ROAD
    SIZE GROUP:
    ADULT
    TYPE:
    CASUAL
    PRODUCT NAME:
    BEANIE
    RIDING STYLE:
    UTV
    GENDER:
    UNISEX
    SIZE:
    ONE SIZE
    UNITS:
    EACH
    MSRP: $28.50
    Now: $25.08
    Was: $28.50
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $28.50
    Now: $25.08
    Was: $28.50
    Subtotal:
  • On Sale
    Pro Circuit Aluminum Throttle Tube for Yamaha YZ250F 2014-2018 and Suzuki RM-Z250 2007-2020 TB-07

    Pro Circuit Aluminum Throttle Tube for Yamaha YZ250F 2014-2018 and Suzuki RM-Z250 2007-2020 TB-07

    PRO CIRCUIT

    MSRP: $79.95
    Now: $70.36
    Was: $79.95
    Elevate your riding experience with the PRO CIRCUIT Throttle Tube, expertly crafted from high-quality aluminum for unmatched durability and performance. This CNC-machined throttle tube features a...
    06320233
    SKU:
    06320233
    Availability:
    Ships Same Business Day
    Weight:
    0.16 LBS
    BASE COLOR:
    BLACK
    MATERIAL:
    ALUMINUM
    STYLE:
    TWIST THROTTLE
    COLOR/FINISH:
    BLACK
    FOR HANDLEBAR DIAMETER IMPERIAL:
    7/8'
    PRODUCT NAME:
    TUBE
    TYPE:
    THROTTLE
    UNITS:
    EACH
    RIDING STYLE:
    OFF-ROAD
    MSRP: $79.95
    Now: $70.36
    Was: $79.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $79.95
    Now: $70.36
    Was: $79.95
    Subtotal:
  • On Sale
    Pro Circuit Throttle Tube Aluminum KLX110 2010-2020 TB-13

    Pro Circuit Throttle Tube Aluminum KLX110 2010-2020 TB-13

    PRO CIRCUIT

    MSRP: $79.95
    Now: $70.36
    Was: $79.95
    Upgrade your ride with the PRO CIRCUIT Throttle Tube KLX Aluminum TB-13, designed for superior performance and durability. Crafted from high-quality CNC-machined aluminum and featuring a PTFE...
    06320864
    SKU:
    06320864
    Availability:
    Ships Same Business Day
    Weight:
    0.50 LBS
    COLOR/FINISH:
    BLACK
    FOR HANDLEBAR DIAMETER IMPERIAL:
    7/8'
    PRODUCT NAME:
    TUBE
    STYLE:
    TWIST THROTTLE
    TYPE:
    THROTTLE
    RIDING STYLE:
    OFF-ROAD
    BASE COLOR:
    BLACK
    MATERIAL:
    ALUMINUM
    UNITS:
    EACH
    MSRP: $79.95
    Now: $70.36
    Was: $79.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $79.95
    Now: $70.36
    Was: $79.95
    Subtotal:
  • On Sale
    Pro Circuit Throttle Tube Aluminum CRF250R 2018-2025 TB-05-A

    Pro Circuit Throttle Tube Aluminum CRF250R 2018-2025 TB-05-A

    PRO CIRCUIT

    MSRP: $79.95
    Now: $70.36
    Was: $79.95
    Upgrade your ride with the PRO CIRCUIT Throttle Tube CRF Aluminum TB-05-A, expertly crafted for enhanced performance and longevity. This throttle tube is CNC-machined and PTFE coated, providing a...
    06320856
    SKU:
    06320856
    Availability:
    Ships Same Business Day
    Weight:
    0.11 LBS
    COLOR/FINISH:
    BLACK
    PRODUCT NAME:
    TUBE
    RIDING STYLE:
    OFF-ROAD
    STYLE:
    TWIST THROTTLE
    FOR HANDLEBAR DIAMETER IMPERIAL:
    7/8'
    MATERIAL:
    ALUMINUM
    TYPE:
    THROTTLE
    BASE COLOR:
    BLACK
    UNITS:
    EACH
    MSRP: $79.95
    Now: $70.36
    Was: $79.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $79.95
    Now: $70.36
    Was: $79.95
    Subtotal:
  • On Sale
    Pro Circuit Throttle Tube 350 SX-F 2016-2018 TB-12

    Pro Circuit Throttle Tube 350 SX-F 2016-2018 TB-12

    PRO CIRCUIT

    MSRP: $93.95
    Now: $82.68
    Was: $93.95
    Upgrade your ride with the PRO CIRCUIT Throttle Tube SX-F Aluminum TB-12, designed for superior performance and longevity. Crafted from high-quality aluminum and CNC-machined for precision, this...
    06320788
    SKU:
    06320788
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    FOR HANDLEBAR DIAMETER IMPERIAL:
    7/8'
    PRODUCT NAME:
    TUBE
    STYLE:
    TWIST THROTTLE
    TYPE:
    THROTTLE
    BASE COLOR:
    BLACK
    MATERIAL:
    ALUMINUM
    COLOR/FINISH:
    BLACK
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    MSRP: $93.95
    Now: $82.68
    Was: $93.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $93.95
    Now: $82.68
    Was: $93.95
    Subtotal:
  • On Sale
    Pro Circuit Clutch Lever Black Honda CR80R 1991-2003 PCCL04-01-048

    Pro Circuit Clutch Lever Black Honda CR80R 1991-2003 PCCL04-01-048

    PRO CIRCUIT

    MSRP: $29.95
    Now: $26.36
    Was: $29.95
    Experience superior performance with the PRO CIRCUIT Clutch Lever, expertly crafted by Sunline from high-quality 6061-T6 aluminum. This lever is engineered to provide exceptional strength and...
    06130310
    SKU:
    06130310
    Availability:
    Ships Same Business Day
    Weight:
    0.20 LBS
    MODEL:
    FORGED
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    CLUTCH
    UNITS:
    EACH
    ACTUATION:
    MECHANICAL
    MATERIAL:
    ALUMINUM
    TYPE:
    CUSTOM REPLACEMENT
    COLOR/FINISH:
    BLACK
    BASE COLOR:
    BLACK
    PRODUCT NAME:
    LEVER
    MSRP: $29.95
    Now: $26.36
    Was: $29.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $29.95
    Now: $26.36
    Was: $29.95
    Subtotal:
  • On Sale
    Pro Circuit Clutch Lever Black Honda CR125R CR250R CRF250R CRF450R 2004-2006 PCCL04-01-049 Pro Circuit Clutch Lever Black Honda CR125R CR250R CRF250R CRF450R 2004-2006 PCCL04-01-049

    Pro Circuit Clutch Lever Black Honda CR125R CR250R CRF250R CRF450R 2004-2006 PCCL04-01-049

    PRO CIRCUIT

    MSRP: $29.95
    Now: $26.36
    Was: $29.95
    Upgrade your ride with the PRO CIRCUIT Clutch Lever, expertly crafted by Sunline from high-quality 6061-T6 aluminum. This lever combines exceptional strength and durability, ensuring a reliable...
    06130311
    SKU:
    06130311
    Availability:
    Ships Same Business Day
    Weight:
    0.21 LBS
    MODEL:
    FORGED
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    CLUTCH
    ACTUATION:
    MECHANICAL
    TYPE:
    CUSTOM REPLACEMENT
    BASE COLOR:
    BLACK
    PRODUCT NAME:
    LEVER
    COLOR/FINISH:
    BLACK
    MATERIAL:
    ALUMINUM
    UNITS:
    EACH
    MSRP: $29.95
    Now: $26.36
    Was: $29.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $29.95
    Now: $26.36
    Was: $29.95
    Subtotal:
  • On Sale
    Pro Circuit Clutch Lever Black Honda CRF450R 2007-2017 PCCL04-01-050

    Pro Circuit Clutch Lever Black Honda CRF450R 2007-2017 PCCL04-01-050

    PRO CIRCUIT

    MSRP: $19.95
    Now: $17.56
    Was: $19.95
    Enhance your riding experience with the PRO CIRCUIT Clutch Lever, expertly crafted by Sunline from high-quality 6061-T6 aluminum. This lever is designed for exceptional strength and durability,...
    06130312
    SKU:
    06130312
    Availability:
    Ships Same Business Day
    Weight:
    0.21 LBS
    MODEL:
    FORGED
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    CLUTCH
    ACTUATION:
    MECHANICAL
    TYPE:
    CUSTOM REPLACEMENT
    COLOR/FINISH:
    BLACK
    MATERIAL:
    ALUMINUM
    UNITS:
    EACH
    BASE COLOR:
    BLACK
    PRODUCT NAME:
    LEVER
    MSRP: $19.95
    Now: $17.56
    Was: $19.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $19.95
    Now: $17.56
    Was: $19.95
    Subtotal:
  • On Sale
    Pro Circuit Clutch Lever Black Kawasaki KX100 1998-2021 PCCL04-01-051 Pro Circuit Clutch Lever Black Kawasaki KX100 1998-2021 PCCL04-01-051

    Pro Circuit Clutch Lever Black Kawasaki KX100 1998-2021 PCCL04-01-051

    PRO CIRCUIT

    MSRP: $19.95
    Now: $17.56
    Was: $19.95
    Upgrade your ride with the PRO CIRCUIT Clutch Lever, expertly crafted by Sunline from high-quality 6061-T6 aluminum. This lever not only enhances the aesthetic appeal of your motorcycle but also...
    06130313
    SKU:
    06130313
    Availability:
    Ships Same Business Day
    Weight:
    0.26 LBS
    COLOR/FINISH:
    BLACK
    BASE COLOR:
    BLACK
    PRODUCT NAME:
    LEVER
    RIDING STYLE:
    OFF-ROAD
    ACTUATION:
    MECHANICAL
    MATERIAL:
    ALUMINUM
    MODEL:
    FORGED
    TYPE:
    CLUTCH
    TYPE:
    CUSTOM REPLACEMENT
    UNITS:
    EACH
    MSRP: $19.95
    Now: $17.56
    Was: $19.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $19.95
    Now: $17.56
    Was: $19.95
    Subtotal:
  • On Sale
    Pro Circuit Clutch Lever Black 2003-2006 Kawasaki KLX125 PCCL04-01-053

    Pro Circuit Clutch Lever Black 2003-2006 Kawasaki KLX125 PCCL04-01-053

    PRO CIRCUIT

    MSRP: $29.95
    Now: $26.36
    Was: $29.95
    Upgrade your ride with the Pro Circuit Clutch Lever, expertly crafted by Sunline from high-quality 6061-T6 aluminum. Designed for optimal performance and durability, this lever not only fits...
    06130315
    SKU:
    06130315
    Availability:
    Ships Same Business Day
    Weight:
    0.26 LBS
    COLOR/FINISH:
    BLACK
    MATERIAL:
    ALUMINUM
    BASE COLOR:
    BLACK
    PRODUCT NAME:
    LEVER
    UNITS:
    EACH
    RIDING STYLE:
    OFF-ROAD
    ACTUATION:
    MECHANICAL
    MODEL:
    FORGED
    TYPE:
    CLUTCH
    TYPE:
    CUSTOM REPLACEMENT
    MSRP: $29.95
    Now: $26.36
    Was: $29.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $29.95
    Now: $26.36
    Was: $29.95
    Subtotal:
  • On Sale
    Pro Circuit Brake Lever Black Kawasaki KX85 2001-2025 PCBL03-01-015 Pro Circuit Brake Lever Black Kawasaki KX85 2001-2025 PCBL03-01-015

    Pro Circuit Brake Lever Black Kawasaki KX85 2001-2025 PCBL03-01-015

    PRO CIRCUIT

    MSRP: $34.95
    Now: $30.76
    Was: $34.95
    Elevate your ride with the PRO CIRCUIT Brake Lever, expertly crafted by Sunline from high-grade 6061 T-6 aluminum. Engineered for exceptional strength and longevity, this lever is designed to...
    06140275
    SKU:
    06140275
    Availability:
    Ships Same Business Day
    Weight:
    0.20 LBS
    MODEL:
    FORGED
    RIDING STYLE:
    OFF-ROAD
    ACTUATION:
    MECHANICAL
    COLOR/FINISH:
    BLACK
    MATERIAL:
    ALUMINUM
    TYPE:
    BRAKE
    UNITS:
    EACH
    BASE COLOR:
    BLACK
    PRODUCT NAME:
    LEVER
    MSRP: $34.95
    Now: $30.76
    Was: $34.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $34.95
    Now: $30.76
    Was: $34.95
    Subtotal:
  • On Sale
    Pro Circuit Stainless Steel Power Valve for Kawasaki KX85 2002-2013 PVK01085

    Pro Circuit Stainless Steel Power Valve for Kawasaki KX85 2002-2013 PVK01085

    PRO CIRCUIT

    MSRP: $229.95
    Now: $202.36
    Was: $229.95
    Unlock the full potential of your engine with the PRO CIRCUIT Power Valve PVK01085. Designed to optimize exhaust flow, this high-performance valve enhances bottom-end torque while maintaining peak...
    09310477
    SKU:
    09310477
    Availability:
    Ships Same Business Day
    Weight:
    0.45 LBS
    MATERIAL:
    STAINLESS STEEL
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    PRODUCT NAME:
    POWER VALVE
    MSRP: $229.95
    Now: $202.36
    Was: $229.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $229.95
    Now: $202.36
    Was: $229.95
    Subtotal:
  • On Sale
    Pro Circuit Ti-6 Exhaust System for 2024 Kawasaki KX450 0322445FP

    Pro Circuit Ti-6 Exhaust System for 2024 Kawasaki KX450 0322445FP

    PRO CIRCUIT

    MSRP: $1,136.95
    Now: $1,000.52
    Was: $1,136.95
    Introducing the Ti-6 Exhaust - Dual, engineered to elevate your riding experience with enhanced performance and power. This system is perfect for both riders and racers seeking superior durability...
    18300397
    SKU:
    18300397
    Availability:
    Ships Same Business Day
    Weight:
    21.35 LBS
    MSRP: $1,136.95
    Now: $1,000.52
    Was: $1,136.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,136.95
    Now: $1,000.52
    Was: $1,136.95
    Subtotal:
  • On Sale
    Pro Circuit T-6 Exhaust System Stainless Steel 2022-2025 KTM 250 SX-F 0152225G

    Pro Circuit T-6 Exhaust System Stainless Steel 2022-2025 KTM 250 SX-F 0152225G

    PRO CIRCUIT

    MSRP: $1,002.95
    Now: $882.60
    Was: $1,002.95
    PRO CIRCUIT T-6 Exhaust System - 0152225G Experience the ultimate upgrade for your bike with the PRO CIRCUIT T-6 Exhaust System, meticulously crafted for riders who demand top-tier performance. This...
    18202019
    SKU:
    18202019
    Availability:
    Ships Same Business Day
    Weight:
    12.90 LBS
    MSRP: $1,002.95
    Now: $882.60
    Was: $1,002.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,002.95
    Now: $882.60
    Was: $1,002.95
    Subtotal:
  • On Sale
    Pro Circuit T-6 Slip-On Muffler for 2024-2025 Kawasaki KX450F 0152225A

    Pro Circuit T-6 Slip-On Muffler for 2024-2025 Kawasaki KX450F 0152225A

    PRO CIRCUIT

    MSRP: $602.95
    Now: $530.60
    Was: $602.95
    T-6 Slip-On Muffler - 0152225A Transform your motorcycle's performance and style with the T-6 Slip-On Muffler. This premium upgrade not only enhances your bike's aesthetic appeal but also delivers an...
    18212068
    SKU:
    18212068
    Availability:
    Ships Same Business Day
    Weight:
    11.00 LBS
    MSRP: $602.95
    Now: $530.60
    Was: $602.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $602.95
    Now: $530.60
    Was: $602.95
    Subtotal:
  • On Sale
    Pro Circuit Patch T-Shirt Gray Small 6411560-010

    Pro Circuit Patch T-Shirt Gray Small 6411560-010

    PRO CIRCUIT

    MSRP: $29.95
    Now: $26.36
    Was: $29.95
    Elevate your casual wardrobe with the Charcoal Pro Circuit/Monster Energy collaboration T-Shirt. This stylish tee features striking graphics that showcase your passion for motorsports while ensuring...
    303013427
    SKU:
    303013427
    Availability:
    Ships Same Business Day
    Weight:
    0.35 LBS
    MSRP: $29.95
    Now: $26.36
    Was: $29.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $29.95
    Now: $26.36
    Was: $29.95
    Subtotal:
  • On Sale
    Pro Circuit Team Monster T-Shirt Black Large PC0126-0230

    Pro Circuit Team Monster T-Shirt Black Large PC0126-0230

    PRO CIRCUIT

    MSRP: $29.95
    Now: $26.36
    Was: $29.95
    Elevate your style on and off the track with the PRO CIRCUIT Team Monster T-Shirt. Crafted from 100% premium cotton, this shirt offers both comfort and durability for avid motorsport enthusiasts...
    30302783
    SKU:
    30302783
    Availability:
    Ships Same Business Day
    Weight:
    0.54 LBS
    MODEL:
    TEAM MONSTER
    RIDING STYLE:
    ATV
    SIZE:
    L
    STYLE:
    CREWNECK
    UNITS:
    EACH
    GENDER:
    MEN'S
    PRODUCT NAME:
    T-SHIRT
    RIDING STYLE:
    OFF-ROAD
    COLOR:
    LIME
    COLOR:
    WHITE
    BASE COLOR:
    BLACK
    COLOR:
    BLACK
    FIT:
    REGULAR
    MATERIAL:
    COTTON
    SIZE GROUP:
    ADULT
    STYLE:
    SHORT-SLEEVE
    TYPE:
    CASUAL
    MSRP: $29.95
    Now: $26.36
    Was: $29.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $29.95
    Now: $26.36
    Was: $29.95
    Subtotal:
  • On Sale
    Pro Circuit Piston T-Shirt Black Medium 6431740-020 Pro Circuit Piston T-Shirt Black Medium 6431740-020

    Pro Circuit Piston T-Shirt Black Medium 6431740-020

    PRO CIRCUIT

    MSRP: $29.95
    Now: $26.36
    Was: $29.95
    Elevate your style with the PRO CIRCUIT Piston T-Shirt, designed for racing enthusiasts and casual wear alike. This premium black tee features a striking custom graphic that showcases your passion...
    303019959
    SKU:
    303019959
    Availability:
    Ships Same Business Day
    Weight:
    0.25 LBS
    BASE COLOR:
    BLACK
    SIZE GROUP:
    ADULT
    STYLE:
    CREWNECK
    COLOR:
    BLACK
    FIT:
    REGULAR
    GENDER:
    MEN'S
    GRAPHIC:
    PISTON
    MATERIAL:
    COTTON
    RIDING STYLE:
    OFF-ROAD
    SIZE:
    M
    STYLE:
    SHORT-SLEEVE
    TYPE:
    CASUAL
    PRODUCT NAME:
    T-SHIRT
    COLOR:
    WHITE
    UNITS:
    EACH
    MSRP: $29.95
    Now: $26.36
    Was: $29.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $29.95
    Now: $26.36
    Was: $29.95
    Subtotal:
  • On Sale
    Pro Circuit Piston T-Shirt Black XL 6431740-040 Pro Circuit Piston T-Shirt Black XL 6431740-040

    Pro Circuit Piston T-Shirt Black XL 6431740-040

    PRO CIRCUIT

    MSRP: $29.95
    Now: $26.36
    Was: $29.95
    Elevate your style with the PRO CIRCUIT Piston T-Shirt, designed for enthusiasts who appreciate quality and performance. This black tee features a striking custom racing graphic on the back and a...
    303019961
    SKU:
    303019961
    Availability:
    Ships Same Business Day
    Weight:
    0.45 LBS
    COLOR:
    BLACK
    STYLE:
    SHORT-SLEEVE
    UNITS:
    EACH
    GENDER:
    MEN'S
    PRODUCT NAME:
    T-SHIRT
    RIDING STYLE:
    OFF-ROAD
    SIZE GROUP:
    ADULT
    TYPE:
    CASUAL
    BASE COLOR:
    BLACK
    COLOR:
    WHITE
    FIT:
    REGULAR
    GRAPHIC:
    PISTON
    MATERIAL:
    COTTON
    SIZE:
    XL
    STYLE:
    CREWNECK
    MSRP: $29.95
    Now: $26.36
    Was: $29.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $29.95
    Now: $26.36
    Was: $29.95
    Subtotal:
  • On Sale
    Pro Circuit Piston T-Shirt Black 3XL 6431740-060 Pro Circuit Piston T-Shirt Black 3XL 6431740-060

    Pro Circuit Piston T-Shirt Black 3XL 6431740-060

    PRO CIRCUIT

    MSRP: $29.95
    Now: $26.36
    Was: $29.95
    Elevate your style with the Pro Circuit Piston T-Shirt, designed for both comfort and performance. This black tee features a striking custom racing graphic that showcases your passion for motorsports...
    303019963
    SKU:
    303019963
    Availability:
    Ships Same Business Day
    Weight:
    0.45 LBS
    COLOR:
    BLACK
    FIT:
    REGULAR
    GENDER:
    MEN'S
    GRAPHIC:
    PISTON
    MATERIAL:
    COTTON
    RIDING STYLE:
    OFF-ROAD
    STYLE:
    SHORT-SLEEVE
    TYPE:
    CASUAL
    SIZE:
    3XL
    SIZE GROUP:
    ADULT
    STYLE:
    CREWNECK
    PRODUCT NAME:
    T-SHIRT
    BASE COLOR:
    BLACK
    COLOR:
    WHITE
    UNITS:
    EACH
    MSRP: $29.95
    Now: $26.36
    Was: $29.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $29.95
    Now: $26.36
    Was: $29.95
    Subtotal:
  • On Sale
    Pro Circuit Spark Plug T-Shirt Medium 1999 Race Team Graphic 6431750-020 Pro Circuit Spark Plug T-Shirt Medium 1999 Race Team Graphic 6431750-020

    Pro Circuit Spark Plug T-Shirt Medium 1999 Race Team Graphic 6431750-020

    PRO CIRCUIT

    MSRP: $29.95
    Now: $26.36
    Was: $29.95
    Show your passion for racing with the PRO CIRCUIT Spark Plug T-Shirt. Featuring a striking 1999 Race Team graphic, this shirt combines style and comfort, making it perfect for any motorsport...
    303019965
    SKU:
    303019965
    Availability:
    Ships Same Business Day
    Weight:
    0.33 LBS
    FIT:
    REGULAR
    GENDER:
    MEN'S
    MATERIAL:
    COTTON
    PRODUCT NAME:
    T-SHIRT
    RIDING STYLE:
    OFF-ROAD
    SIZE:
    M
    TYPE:
    CASUAL
    UNITS:
    EACH
    GRAPHIC:
    SPARK PLUG
    SIZE GROUP:
    ADULT
    BASE COLOR:
    OFF-WHITE
    COLOR:
    CREAM
    STYLE:
    CREWNECK
    STYLE:
    SHORT-SLEEVE
    COLOR:
    BLUE
    COLOR:
    RED
    COLOR:
    YELLOW
    MSRP: $29.95
    Now: $26.36
    Was: $29.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $29.95
    Now: $26.36
    Was: $29.95
    Subtotal:
  • On Sale
    Pro Circuit Spark Plug T-Shirt 1999 Race Team Graphic 2XL 6431750-050 Pro Circuit Spark Plug T-Shirt 1999 Race Team Graphic 2XL 6431750-050

    Pro Circuit Spark Plug T-Shirt 1999 Race Team Graphic 2XL 6431750-050

    PRO CIRCUIT

    MSRP: $29.95
    Now: $26.36
    Was: $29.95
    Show your passion for racing with the PRO CIRCUIT Spark Plug T-Shirt. Featuring a striking 1999 Race Team graphic, this shirt combines style and comfort, making it a perfect addition to any...
    303019968
    SKU:
    303019968
    Availability:
    Ships Same Business Day
    Weight:
    0.50 LBS
    COLOR:
    BLUE
    GRAPHIC:
    SPARK PLUG
    SIZE:
    2XL
    SIZE GROUP:
    ADULT
    PRODUCT NAME:
    T-SHIRT
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    BASE COLOR:
    OFF-WHITE
    COLOR:
    CREAM
    FIT:
    REGULAR
    MATERIAL:
    COTTON
    STYLE:
    CREWNECK
    STYLE:
    SHORT-SLEEVE
    COLOR:
    RED
    COLOR:
    YELLOW
    GENDER:
    MEN'S
    TYPE:
    CASUAL
    MSRP: $29.95
    Now: $26.36
    Was: $29.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $29.95
    Now: $26.36
    Was: $29.95
    Subtotal:
  • On Sale
    Pro Circuit Racer Zip Hoodie Black Large 6511920-030

    Pro Circuit Racer Zip Hoodie Black Large 6511920-030

    PRO CIRCUIT

    MSRP: $51.95
    Now: $45.72
    Was: $51.95
    Elevate your casual style with the PRO CIRCUIT Racer Zip Hoodie, designed for those who crave both comfort and a sporty edge. Crafted from a premium blend of 70% cotton and 30% polyester, this hoodie...
    30505601
    SKU:
    30505601
    Availability:
    Ships Same Business Day
    Weight:
    1.50 LBS
    MSRP: $51.95
    Now: $45.72
    Was: $51.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $51.95
    Now: $45.72
    Was: $51.95
    Subtotal:
  • On Sale
    Pro Circuit Racer Zip Hoodie Black 3XL 6511920-060

    Pro Circuit Racer Zip Hoodie Black 3XL 6511920-060

    PRO CIRCUIT

    MSRP: $52.50
    Now: $46.20
    Was: $52.50
    Elevate your style with the PRO CIRCUIT Racer Zip Hoodie in Black. This hoodie combines comfort and performance, making it perfect for both casual wear and track days. With its eye-catching...
    30505604
    SKU:
    30505604
    Availability:
    Ships Same Business Day
    Weight:
    1.51 LBS
    MSRP: $52.50
    Now: $46.20
    Was: $52.50
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $52.50
    Now: $46.20
    Was: $52.50
    Subtotal:
  • On Sale
    Pro Circuit Water Pump Cover with Impeller for Honda CRF450R 2019 WPH09450

    Pro Circuit Water Pump Cover with Impeller for Honda CRF450R 2019 WPH09450

    PRO CIRCUIT

    MSRP: $239.95
    Now: $211.16
    Was: $239.95
    Upgrade your Honda's performance with the PRO CIRCUIT Water Pump Cover, expertly crafted from CNC-machined billet aluminum. This cover not only enhances durability but also optimizes water flow,...
    09401180
    SKU:
    09401180
    Availability:
    Ships Same Business Day
    Weight:
    0.36 LBS
    COLOR/FINISH:
    ANODIZED
    MATERIAL:
    BILLET ALUMINUM
    PRODUCT NAME:
    COVER
    RIDING STYLE:
    OFF-ROAD
    COLOR/FINISH:
    MACHINED
    TYPE:
    WATER PUMP
    UNITS:
    SET
    MSRP: $239.95
    Now: $211.16
    Was: $239.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $239.95
    Now: $211.16
    Was: $239.95
    Subtotal:
  • On Sale
    Pro Circuit Water Pump Cover with Impeller for 2004-2006 Suzuki RM-Z250 WPK04250

    Pro Circuit Water Pump Cover with Impeller for 2004-2006 Suzuki RM-Z250 WPK04250

    PRO CIRCUIT

    MSRP: $239.95
    Now: $211.16
    Was: $239.95
    Enhance your engine's cooling efficiency with the PRO CIRCUIT Water Pump Cover, expertly crafted from CNC-machined billet aluminum. This robust yet lightweight design ensures exceptional durability,...
    09400464
    SKU:
    09400464
    Availability:
    Ships Same Business Day
    Weight:
    0.55 LBS
    COLOR/FINISH:
    ANODIZED
    MATERIAL:
    BILLET ALUMINUM
    RIDING STYLE:
    OFF-ROAD
    PRODUCT NAME:
    COVER
    TYPE:
    WATER PUMP
    COLOR/FINISH:
    MACHINED
    UNITS:
    SET
    MSRP: $239.95
    Now: $211.16
    Was: $239.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $239.95
    Now: $211.16
    Was: $239.95
    Subtotal:
  • On Sale
    Pro Circuit Backfire Screen Eliminator Kit Kawasaki KX250F 2006-2014 PC4012-0001

    Pro Circuit Backfire Screen Eliminator Kit Kawasaki KX250F 2006-2014 PC4012-0001

    PRO CIRCUIT

    MSRP: $39.95
    Now: $35.16
    Was: $39.95
    Unlock your bike's full potential with the PRO CIRCUIT Backfire Screen Eliminator Kit. Designed specifically for 4-stroke engines, this kit eliminates the restrictive wire screen from your air filter...
    10110777
    SKU:
    10110777
    Availability:
    Ships Same Business Day
    Weight:
    0.20 LBS
    MATERIAL:
    TEXTILE
    TYPE:
    BACKFIRE SCREEN ELIMINATOR
    PRODUCT NAME:
    GASKET
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    COLOR/FINISH:
    GREEN
    MSRP: $39.95
    Now: $35.16
    Was: $39.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $39.95
    Now: $35.16
    Was: $39.95
    Subtotal:
  • On Sale
    Pro Circuit Carburetor Cannister Honda CRF150R 2002-2025 CAN01

    Pro Circuit Carburetor Cannister Honda CRF150R 2002-2025 CAN01

    PRO CIRCUIT

    MSRP: $39.95
    Now: $35.16
    Was: $39.95
    The PRO CIRCUIT Carburetor Cannister CAN01 is designed to enhance your engine's performance by relocating overflow tubes for optimal clearance and efficiency. This universal application component...
    10500036
    SKU:
    10500036
    Availability:
    Ships Same Business Day
    Weight:
    0.08 LBS
    UNITS:
    EACH
    COLOR/FINISH:
    RED
    BASE COLOR:
    RED
    PRODUCT NAME:
    CANNISTER
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    CARBURETOR
    MSRP: $39.95
    Now: $35.16
    Was: $39.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $39.95
    Now: $35.16
    Was: $39.95
    Subtotal:
  • On Sale
    Pro Circuit Clutch Springs Kawasaki KX250F 2004-2018 CSK10250-CS

    Pro Circuit Clutch Springs Kawasaki KX250F 2004-2018 CSK10250-CS

    PRO CIRCUIT

    MSRP: $69.95
    Now: $61.56
    Was: $69.95
    Enhance your bike's performance with the PRO CIRCUIT Clutch Springs CSK10250-CS. Designed for riders seeking a more responsive and powerful clutch engagement, these springs provide a significant...
    11310149
    SKU:
    11310149
    Availability:
    Ships Same Business Day
    Weight:
    0.21 LBS
    UNITS:
    SET
    PRODUCT NAME:
    SPRING SET
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    CLUTCH
    MSRP: $69.95
    Now: $61.56
    Was: $69.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $69.95
    Now: $61.56
    Was: $69.95
    Subtotal:
  • On Sale
    Pro Circuit Clutch Springs Suzuki RM85 2002-2017 CSS12085

    Pro Circuit Clutch Springs Suzuki RM85 2002-2017 CSS12085

    PRO CIRCUIT

    MSRP: $72.95
    Now: $64.20
    Was: $72.95
    Upgrade your bike’s performance with the PRO CIRCUIT Clutch Springs CSS12085. Designed to enhance clutch engagement and minimize slipping, these springs provide a more responsive ride. Experience...
    11312427
    SKU:
    11312427
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    UNITS:
    SET
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    CLUTCH
    PRODUCT NAME:
    SPRING SET
    MSRP: $72.95
    Now: $64.20
    Was: $72.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $72.95
    Now: $64.20
    Was: $72.95
    Subtotal:
  • On Sale
    Pro Circuit T-4 Silencer Honda TRX400X 2009 2012-2014 4QH99400

    Pro Circuit T-4 Silencer Honda TRX400X 2009 2012-2014 4QH99400

    PRO CIRCUIT

    MSRP: $475.95
    Now: $418.84
    Was: $475.95
    Experience unmatched performance with the PRO CIRCUIT T-4 Silencer, designed for both racing enthusiasts and recreational riders. This silencer seamlessly attaches to your stock head pipe or one of...
    4QH99400
    SKU:
    4QH99400
    Availability:
    Ships Same Business Day
    Weight:
    4.10 LBS
    END CAP MATERIAL:
    STAINLESS STEEL
    MODEL:
    T-4
    STYLE:
    ROUND
    TYPE:
    SLIP-ON
    FEATURES:
    WITH SPARK ARRESTOR
    PIPE MATERIAL:
    STAINLESS STEEL
    PRODUCT NAME:
    SILENCER
    RIDING STYLE:
    ATV
    MUFFLER COLOR/FINISH:
    BRUSHED
    MUFFLER MATERIAL:
    ALUMINUM
    UNITS:
    EACH
    MSRP: $475.95
    Now: $418.84
    Was: $475.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $475.95
    Now: $418.84
    Was: $475.95
    Subtotal:
  • On Sale
    Pro Circuit T-6 Slip-On Exhaust for Suzuki RM-Z450 2018-2025 0141845A

    Pro Circuit T-6 Slip-On Exhaust for Suzuki RM-Z450 2018-2025 0141845A

    PRO CIRCUIT

    MSRP: $590.95
    Now: $520.04
    Was: $590.95
    The PRO CIRCUIT T-6 Muffler is the perfect upgrade for riders seeking enhanced performance without breaking the bank. This slip-on silencer combines durability and efficiency, making installation a...
    18211845
    SKU:
    18211845
    Availability:
    Ships Same Business Day
    Weight:
    10.00 LBS
    MUFFLER MATERIAL:
    ALUMINUM
    PRODUCT NAME:
    SILENCER
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    SLIP-ON
    UNITS:
    EACH
    END CAP MATERIAL:
    STAINLESS STEEL
    MODEL:
    T-6
    MSRP: $590.95
    Now: $520.04
    Was: $590.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $590.95
    Now: $520.04
    Was: $590.95
    Subtotal:
  • On Sale
    Pro Circuit Ti-2 Silencer Kawasaki KX125 2003 2004 2005 2006 2007 1121412K

    Pro Circuit Ti-2 Silencer Kawasaki KX125 2003 2004 2005 2006 2007 1121412K

    PRO CIRCUIT

    MSRP: $399.00
    Now: $351.12
    Was: $399.00
    Experience unparalleled performance with the PRO CIRCUIT Ti-2 Silencer, designed for serious racers who demand both style and functionality. Crafted with a lightweight carbon-aramid fiber shell and...
    18211734
    SKU:
    18211734
    Availability:
    Ships Same Business Day
    Weight:
    1.45 LBS
    PIPE MATERIAL:
    TITANIUM
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    END CAP MATERIAL:
    TITANIUM
    PRODUCT NAME:
    SILENCER
    MODEL:
    TI-2
    MUFFLER MATERIAL:
    CARBON-ARAMID FIBER
    TYPE:
    SLIP-ON
    MSRP: $399.00
    Now: $351.12
    Was: $399.00
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $399.00
    Now: $351.12
    Was: $399.00
    Subtotal:
  • On Sale
    Pro Circuit Brake Hose Clamp Yamaha YZ125 2009-2025 PC4014-0001 Pro Circuit Brake Hose Clamp Yamaha YZ125 2009-2025 PC4014-0001

    Pro Circuit Brake Hose Clamp Yamaha YZ125 2009-2025 PC4014-0001

    PRO CIRCUIT

    MSRP: $44.95
    Now: $39.56
    Was: $44.95
    Upgrade your Yamaha's brake system with the PRO CIRCUIT Brake Hose Clamp. Designed for durability and reliability, this clamp is engineered to securely hold your brake line in place, ensuring optimal...
    17420433
    SKU:
    17420433
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    COLOR/FINISH:
    BLACK
    TYPE:
    BRAKE HOSE
    UNITS:
    EACH
    RIDING STYLE:
    OFF-ROAD
    PRODUCT NAME:
    CLAMP
    MSRP: $44.95
    Now: $39.56
    Was: $44.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $44.95
    Now: $39.56
    Was: $44.95
    Subtotal:
  • On Sale
    Pro Circuit Platinum Head Pipe Kawasaki KX125 2000 PK00125P

    Pro Circuit Platinum Head Pipe Kawasaki KX125 2000 PK00125P

    PRO CIRCUIT

    MSRP: $306.95
    Now: $270.12
    Was: $306.95
    Experience unparalleled performance with the PRO CIRCUIT Platinum Head Pipe PK00125P, designed to elevate your ride to championship levels. Crafted with advanced nickel bath technology, this head...
    PK00125P
    SKU:
    PK00125P
    Availability:
    Ships Same Business Day
    Weight:
    5.63 LBS
    MSRP: $306.95
    Now: $270.12
    Was: $306.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $306.95
    Now: $270.12
    Was: $306.95
    Subtotal:
  • On Sale
    Pro Circuit Platinum Head Pipe KX125 2001-2002 PK01125P

    Pro Circuit Platinum Head Pipe KX125 2001-2002 PK01125P

    PRO CIRCUIT

    MSRP: $306.95
    Now: $270.12
    Was: $306.95
    Elevate your performance with the PRO CIRCUIT Platinum Head Pipe PK01125P, designed for serious riders who demand the best. This premium pipe combines advanced technology with superior craftsmanship,...
    PK01125P
    SKU:
    PK01125P
    Availability:
    Ships Same Business Day
    Weight:
    5.31 LBS
    MSRP: $306.95
    Now: $270.12
    Was: $306.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $306.95
    Now: $270.12
    Was: $306.95
    Subtotal:
  • On Sale
    Pro Circuit Platinum Head Pipe Kawasaki KX250 1995 PK95250P

    Pro Circuit Platinum Head Pipe Kawasaki KX250 1995 PK95250P

    PRO CIRCUIT

    MSRP: $342.95
    Now: $301.80
    Was: $342.95
    Experience unparalleled performance with the PRO CIRCUIT Platinum Head Pipe PK95250P, designed to elevate your riding experience. Crafted with advanced nickel bath technology, this head pipe not only...
    PK95250P
    SKU:
    PK95250P
    Availability:
    Ships Same Business Day
    Weight:
    5.13 LBS
    MSRP: $342.95
    Now: $301.80
    Was: $342.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $342.95
    Now: $301.80
    Was: $342.95
    Subtotal:
  • On Sale
    Pro Circuit Platinum Head Pipe Kawasaki KX250 1999 PK99250P

    Pro Circuit Platinum Head Pipe Kawasaki KX250 1999 PK99250P

    PRO CIRCUIT

    MSRP: $342.95
    Now: $301.80
    Was: $342.95
    The PRO CIRCUIT Platinum Head Pipe PK99250P is engineered for performance and durability, drawing inspiration from championship-winning designs. This head pipe combines advanced technology with...
    PK99250P
    SKU:
    PK99250P
    Availability:
    Ships Same Business Day
    Weight:
    7.81 LBS
    MSRP: $342.95
    Now: $301.80
    Was: $342.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $342.95
    Now: $301.80
    Was: $342.95
    Subtotal:
  • Total: items /

Adding your products to cart

Big Power, Nice Sound!

Picked up a Pro Circuit pipe and silencer for my YZ125 it’s a game changer. The power feels way better and the sound is awesome.

Tyler D. - 06/12

Perfect Fit

First time ordering here and dang y’all knocked it outta the park! The wheels fit my Ranger UTV perfect, and I’ll definitely be back for more 5 stars all day!

Sarah L. - 08/24

Fast Shipping!!

Ordered on a Monday, and it was on my doorstep by Wednesday! Super impressed with how fast the shipping was.

Jason P. - 09/13

Helps keep cool, works great!

Bought the dual pass Allstar radiator for my build, and it’s been solid. Keeps the engine running cool even on the hottest days no complaints here!

Jake M. - 05/21

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