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
-
Pro Circuit 304 Silencer for KTM 300 XC 2011-2016 1051130
PRO CIRCUIT
$205.95Two-stroke performance demands a silencer that doesn't compromise power for compliance—the Pro Circuit 304 delivers both. This purpose-built exhaust component extracts real gains in throttle response...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
$205.95Qty in Cart: 0Quantity:Price:$205.95Subtotal: -
Pro Circuit 304 Silencer for KTM 65 SX 2016-2023 1051665
PRO CIRCUIT
$205.95If you're running a KTM 65 SX and want measurable gains in throttle response and mid-to-high RPM power, the Pro Circuit 304 Silencer delivers real performance improvements without sacrificing...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
$205.95 -
Pro Circuit Monster Beanie Black 2025 PC08403-0200
PRO CIRCUIT
$28.50When you're spending long hours in the garage, at the track, or working in the shop during cold months, you need reliable headwear that won't distract you. The Pro Circuit Monster Beanie delivers...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
$28.50 -
Pro Circuit Aluminum Throttle Tube for Yamaha YZ250F 2014-2018 and Suzuki RM-Z250 2007-2020 TB-07
PRO CIRCUIT
$79.95Stock plastic throttle tubes wear quickly and develop sticky spots that compromise your throttle control—especially under race conditions. The Pro Circuit Aluminum Throttle Tube replaces that weak...06320233- SKU:
- 06320233
- Availability:
- Ships Same Business Day
- Weight:
- 0.16 LBS
- BASE COLOR:
- BLACK
- MATERIAL:
- ALUMINUM
- STYLE:
- TWIST THROTTLE
- COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- TUBE
- TYPE:
- THROTTLE
- UNITS:
- EACH
- RIDING STYLE:
- OFF-ROAD
$79.95 -
Pro Circuit Throttle Tube Aluminum KLX110 2010-2020 TB-13
PRO CIRCUIT
$79.95Stock plastic throttle tubes are prone to cracking and binding, especially under the demands of aggressive riding. The Pro Circuit TB-13 replaces that weak point with CNC-machined aluminum and a...06320864- SKU:
- 06320864
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- TUBE
- STYLE:
- TWIST THROTTLE
- TYPE:
- THROTTLE
- RIDING STYLE:
- OFF-ROAD
- BASE COLOR:
- BLACK
- MATERIAL:
- ALUMINUM
- UNITS:
- EACH
$79.95 -
Pro Circuit Throttle Tube Aluminum CRF250R 2018-2025 TB-05-A
PRO CIRCUIT
$79.95Stock throttle tubes wear prematurely and develop sloppy play that compromises throttle control—exactly what you don't want when you're pushing your CRF250R to its limits. The Pro Circuit TB-05-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
- MATERIAL:
- ALUMINUM
- TYPE:
- THROTTLE
- BASE COLOR:
- BLACK
- UNITS:
- EACH
$79.95 -
Pro Circuit Throttle Tube 350 SX-F 2016-2018 TB-12
PRO CIRCUIT
$93.95Stock throttle tubes wear quickly under aggressive riding and introduce slop that compromises throttle response. The Pro Circuit TB-12 replaces that plastic weakness with precision-engineered...06320788- SKU:
- 06320788
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- PRODUCT NAME:
- TUBE
- STYLE:
- TWIST THROTTLE
- TYPE:
- THROTTLE
- BASE COLOR:
- BLACK
- MATERIAL:
- ALUMINUM
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
$93.95 -
Pro Circuit Clutch Lever Black Honda CR80R 1991-2003 PCCL04-01-048
PRO CIRCUIT
$29.95Precise clutch control separates podium finishes from mid-pack rides, especially on a CR80R where every throttle transition counts. The Pro Circuit Clutch Lever delivers direct, consistent actuation...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
$29.95 -
Pro Circuit Clutch Lever Black Honda CR125R CR250R CRF250R CRF450R 2004-2006 PCCL04-01-049
PRO CIRCUIT
$29.95A worn or poorly-performing clutch lever directly impacts your control and confidence in the saddle—whether you're pushing hard on the track or navigating technical terrain. The Pro Circuit Clutch...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
$29.95 -
Pro Circuit Clutch Lever Black Honda CRF450R 2007-2017 PCCL04-01-050
PRO CIRCUIT
$19.95A worn or poorly-designed clutch lever compromises your control and comfort, especially during aggressive trail riding or track sessions on your CRF450R. The PRO CIRCUIT Clutch Lever delivers a more...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
$19.95 -
Pro Circuit Clutch Lever Black Kawasaki KX100 1998-2021 PCCL04-01-051
PRO CIRCUIT
$19.95A quality clutch lever is critical for precise throttle control and rider comfort during aggressive riding—especially on high-revving two-strokes like the KX100. The Pro Circuit lever delivers the...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
$19.95 -
Pro Circuit Clutch Lever Black 2003-2006 Kawasaki KLX125 PCCL04-01-053
PRO CIRCUIT
$29.95If you're running a 2003-2006 Kawasaki KLX125, the stock clutch lever is a compromise—mushy engagement, vague feedback, and durability that doesn't match your riding intensity. The Pro Circuit Clutch...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
$29.95 -
Pro Circuit Brake Lever Black Kawasaki KX85 2001-2025 PCBL03-01-015
PRO CIRCUIT
$34.95The Pro Circuit Brake Lever gives you the direct feedback and control you need for consistent braking performance on your KX85. Factory levers wear quickly under aggressive riding, causing mushiness...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
$34.95 -
Pro Circuit Stainless Steel Power Valve for Kawasaki KX85 2002-2013 PVK01085
PRO CIRCUIT
$229.95If you're running a KX85 and want measurable gains in low-end acceleration without sacrificing top-end power, a quality power valve upgrade is one of the highest-ROI modifications available. The Pro...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
$229.95 -
Pro Circuit Ti-6 Exhaust System for 2024 Kawasaki KX450 0322445FP
PRO CIRCUIT
$1,250.95The Pro Circuit Ti-6 Exhaust System delivers measurable gains in peak power and mid-range torque while shedding unnecessary weight from your 2024 KX450—critical advantages whether you're chasing lap...18300397- SKU:
- 18300397
- Availability:
- Ships Same Business Day
- Weight:
- 21.35 LBS
$1,250.95 -
Pro Circuit T-6 Exhaust System Stainless Steel 2022-2025 KTM 250 SX-F 0152225G
PRO CIRCUIT
$1,102.95The Pro Circuit T-6 exhaust system is engineered to unlock measurable gains in horsepower and torque while shedding unnecessary weight from your 2022-2025 KTM 250 SX-F. Optimized flow dynamics and...18202019- SKU:
- 18202019
- Availability:
- Ships Same Business Day
- Weight:
- 12.90 LBS
$1,102.95Qty in Cart: 0Quantity:Price:$1,102.95Subtotal: -
Pro Circuit T-6 Slip-On Muffler for 2024-2025 Kawasaki KX450F 0152225A
PRO CIRCUIT
$779.95The Pro Circuit T-6 Slip-On Muffler replaces restrictive factory exhaust with a precision-engineered system that improves throttle response and mid-range power while delivering a distinctive,...18212068- SKU:
- 18212068
- Availability:
- Ships Same Business Day
- Weight:
- 11.00 LBS
$779.95Qty in Cart: 0Quantity:Price:$779.95Subtotal: -
Pro Circuit Patch T-Shirt Gray Small 6411560-010
PRO CIRCUIT
$29.95Show your motorsports allegiance without sacrificing everyday comfort. This Pro Circuit x Monster Energy collaboration tee combines authentic brand graphics with quality construction, making it an...303013427- SKU:
- 303013427
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
$29.95Qty in Cart: 0Quantity:Price:$29.95Subtotal: -
Pro Circuit Team Monster T-Shirt Black Large PC0126-0230
PRO CIRCUIT
$29.95Whether you're trackside or off-duty, the PRO CIRCUIT Team Monster T-Shirt delivers the comfort and durability you need for life in the motorsports world. Built from premium 100% cotton, this piece...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
$29.95Qty in Cart: 0Quantity:Price:$29.95Subtotal: -
Pro Circuit Piston T-Shirt Black Medium 6431740-020
PRO CIRCUIT
$29.95Show your commitment to motorsports beyond the track with apparel that reflects your passion for precision engineering and racing culture. The Pro Circuit Piston T-Shirt delivers authentic brand...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
$29.95Qty in Cart: 0Quantity:Price:$29.95Subtotal: -
Pro Circuit Piston T-Shirt Black XL 6431740-040
PRO CIRCUIT
$29.95Whether you're heading to the track or representing the brand off-duty, the Pro Circuit Piston T-Shirt delivers the comfort and durability you need for everyday wear. Built from premium 100% cotton...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
$29.95Qty in Cart: 0Quantity:Price:$29.95Subtotal: -
Pro Circuit Piston T-Shirt Black 3XL 6431740-060
PRO CIRCUIT
$29.95Represent your racing passion with authentic Pro Circuit branding that resonates with the motorsports community. This premium cotton tee delivers the comfort and durability you need for track days,...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
$29.95Qty in Cart: 0Quantity:Price:$29.95Subtotal: -
Pro Circuit Spark Plug T-Shirt Medium 1999 Race Team Graphic 6431750-020
PRO CIRCUIT
$29.95Represent your heritage in the paddock and beyond with authentic Pro Circuit race team apparel that captures the golden era of motorsports. This 1999 Race Team graphic tee lets you wear your passion...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
$29.95Qty in Cart: 0Quantity:Price:$29.95Subtotal: -
Pro Circuit Spark Plug T-Shirt 1999 Race Team Graphic 2XL 6431750-050
PRO CIRCUIT
$29.95Rep your roots in professional motorsport with authentic vintage racing apparel that connects you to the golden era of competition. The 1999 Pro Circuit race team graphic delivers genuine heritage—no...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
$29.95Qty in Cart: 0Quantity:Price:$29.95Subtotal: -
Pro Circuit Racer Zip Hoodie Black Large 6511920-030
PRO CIRCUIT
$51.95Whether you're heading to the track, the shop, or just showing your colors around town, the Pro Circuit Racer Zip Hoodie delivers motorsports authenticity without compromising on comfort. Built from...30505601- SKU:
- 30505601
- Availability:
- Ships Same Business Day
- Weight:
- 1.50 LBS
$51.95Qty in Cart: 0Quantity:Price:$51.95Subtotal: -
Pro Circuit Racer Zip Hoodie Black 3XL 6511920-060
PRO CIRCUIT
$52.50Whether you're logging seat time at the track or representing the motorsport lifestyle off-duty, the Pro Circuit Racer Zip Hoodie delivers the comfort and visual identity serious enthusiasts demand...30505604- SKU:
- 30505604
- Availability:
- Ships Same Business Day
- Weight:
- 1.51 LBS
$52.50Qty in Cart: 0Quantity:Price:$52.50Subtotal: -
Pro Circuit Water Pump Cover with Impeller for Honda CRF450R 2019 WPH09450
PRO CIRCUIT
$239.95Your Honda CRF450R's engine cooling efficiency directly impacts reliability and sustained performance under demanding conditions. The Pro Circuit Water Pump Cover replaces a vulnerable OEM component...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
$239.95Qty in Cart: 0Quantity:Price:$239.95Subtotal: -
Pro Circuit Water Pump Cover with Impeller for 2004-2006 Suzuki RM-Z250 WPK04250
PRO CIRCUIT
$239.95Keep your RM-Z250's engine running at peak operating temperature with the PRO CIRCUIT Water Pump Cover—a CNC-machined upgrade that directly improves cooling efficiency and reliability under demanding...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
$239.95Qty in Cart: 0Quantity:Price:$239.95Subtotal: -
Pro Circuit Backfire Screen Eliminator Kit Kawasaki KX250F 2006-2014 PC4012-0001
PRO CIRCUIT
$39.95The restrictive wire screen in your stock air filter cage is costing you horsepower and throttle response. The PRO CIRCUIT Backfire Screen Eliminator Kit removes this bottleneck, delivering...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
$39.95Qty in Cart: 0Quantity:Price:$39.95Subtotal: -
Pro Circuit Carburetor Cannister Honda CRF150R 2002-2025 CAN01
PRO CIRCUIT
$39.95Carburetor overflow tubes routed improperly create fuel spillage, clutter your engine bay, and compromise the clean airflow your CRF150R needs to breathe. The Pro Circuit Carburetor Cannister...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
$39.95Qty in Cart: 0Quantity:Price:$39.95Subtotal: -
Pro Circuit Clutch Springs Kawasaki KX250F 2004-2018 CSK10250-CS
PRO CIRCUIT
$69.95Stock clutch springs compromise your KX250F's power delivery, allowing slippage under aggressive acceleration and reducing your control over torque transfer. Pro Circuit Clutch Springs restore...11310149- SKU:
- 11310149
- Availability:
- Ships Same Business Day
- Weight:
- 0.21 LBS
- UNITS:
- SET
- PRODUCT NAME:
- SPRING SET
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- CLUTCH
$69.95Qty in Cart: 0Quantity:Price:$69.95Subtotal: -
Pro Circuit Clutch Springs Suzuki RM85 2002-2017 CSS12085
PRO CIRCUIT
$72.95Stock clutch springs lose tension over time, leading to slipping and inconsistent power delivery—especially critical on a race-ready RM85. These Pro Circuit springs restore positive engagement and...11312427- SKU:
- 11312427
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- UNITS:
- SET
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- CLUTCH
- PRODUCT NAME:
- SPRING SET
$72.95Qty in Cart: 0Quantity:Price:$72.95Subtotal: -
Pro Circuit T-4 Silencer Honda TRX400X 2009 2012-2014 4QH99400
PRO CIRCUIT
$523.95The Pro Circuit T-4 Silencer unlocks measurable performance gains for your Honda TRX400X while maintaining the durability needed for both race and trail conditions. This bolt-on upgrade delivers...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
$523.95 -
Pro Circuit T-6 Slip-On Exhaust for Suzuki RM-Z450 2018-2025 0141845A
PRO CIRCUIT
$590.95The Pro Circuit T-6 slip-on exhaust delivers measurable gains in horsepower and throttle response while keeping your RM-Z450 street-legal with a removable spark arrestor. This bolt-on upgrade...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
$590.95Qty in Cart: 0Quantity:Price:$590.95Subtotal: -
Pro Circuit Ti-2 Silencer Kawasaki KX125 2003 2004 2005 2006 2007 1121412K
PRO CIRCUIT
$446.95The Pro Circuit Ti-2 Silencer delivers measurable gains in power and throttle response while significantly reducing unsprung weight on your KX125. Built with titanium and carbon-aramid fiber, this...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
$446.95 -
Pro Circuit Brake Hose Clamp Yamaha YZ125 2009-2025 PC4014-0001
PRO CIRCUIT
$44.95Stock brake hose clamps are prone to failure under track stress, leaving you vulnerable to line movement and potential system degradation. The Pro Circuit Brake Hose Clamp eliminates this weak point...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
$44.95 -
Pro Circuit Platinum Head Pipe Kawasaki KX125 2000 PK00125P
PRO CIRCUIT
$352.95The Pro Circuit Platinum Head Pipe is engineered for KX125 riders who demand measurable gains in exhaust scavenging and throttle response. Its nickel-bath technology resists corrosion and abrasion...PK00125P- SKU:
- PK00125P
- Availability:
- Ships Same Business Day
- Weight:
- 5.63 LBS
$352.95 -
Pro Circuit Platinum Head Pipe KX125 2001-2002 PK01125P
PRO CIRCUIT
$352.95If you're running a KX125 that sees serious track time, exhaust flow directly impacts your power band and throttle response. The Pro Circuit Platinum Head Pipe delivers measurable performance gains...PK01125P- SKU:
- PK01125P
- Availability:
- Ships Same Business Day
- Weight:
- 5.31 LBS
$352.95 -
Pro Circuit Platinum Head Pipe Kawasaki KX250 1995 PK95250P
PRO CIRCUIT
$393.95The Pro Circuit Platinum Head Pipe is engineered to deliver measurable gains in exhaust scavenging and peak power delivery on your KX250. Hand-welded construction and CNC-machined flanges ensure...PK95250P- SKU:
- PK95250P
- Availability:
- Ships Same Business Day
- Weight:
- 5.13 LBS
$393.95 -
Pro Circuit Platinum Head Pipe Kawasaki KX250 1999 PK99250P
PRO CIRCUIT
$393.95The Pro Circuit Platinum Head Pipe is engineered to maximize exhaust flow and throttle response on your KX250, delivering measurable gains in mid-range power and engine efficiency. Built with...PK99250P- SKU:
- PK99250P
- Availability:
- Ships Same Business Day
- Weight:
- 7.81 LBS
$393.95