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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
  • Pro Circuit T-4 Exhaust System for Honda XR100R 1985-2000 4H85080

    Pro Circuit T-4 Exhaust System for Honda XR100R 1985-2000 4H85080

    PRO CIRCUIT

    $370.95
    The Pro Circuit T-4 Exhaust System delivers measurable improvements in throttle response and acceleration for the Honda XR100R, making it the choice for racers who demand repeatability across track...
    4H00080
    SKU:
    4H00080
    Availability:
    Ships Same Business Day
    Weight:
    3.28 LBS
    $370.95
    Qty in Cart: 0
    Quantity:
    Price:
    $370.95
    Subtotal:
  • Pro Circuit T-4 Silencer Honda XR400R 1996-2004 4H00400

    Pro Circuit T-4 Silencer Honda XR400R 1996-2004 4H00400

    PRO CIRCUIT

    $523.95
    The Pro Circuit T-4 Silencer unlocks measurable gains in horsepower and torque across your XR400R's entire powerband while keeping weight to a minimum. If you're running stock exhaust, you're leaving...
    4H00400
    SKU:
    4H00400
    Availability:
    Ships Same Business Day
    Weight:
    5.13 LBS
    $523.95
    Qty in Cart: 0
    Quantity:
    Price:
    $523.95
    Subtotal:
  • Pro Circuit T-4 Exhaust System for Honda CRF80F 2001 4H01080

    Pro Circuit T-4 Exhaust System for Honda CRF80F 2001 4H01080

    PRO CIRCUIT

    $370.95
    If you're running a CRF80F at the track or trail, throttle response and mid-range power are non-negotiable. The Pro Circuit T-4 Exhaust System delivers measurable gains in both through advanced...
    4H01080
    SKU:
    4H01080
    Availability:
    Ships Same Business Day
    Weight:
    3.08 LBS
    $370.95
    Qty in Cart: 0
    Quantity:
    Price:
    $370.95
    Subtotal:
  • Pro Circuit T-4 Exhaust System Honda CRF150F 2003-2005 4H03150

    Pro Circuit T-4 Exhaust System Honda CRF150F 2003-2005 4H03150

    PRO CIRCUIT

    $418.95
    The Pro Circuit T-4 Exhaust delivers measurable gains in throttle response and power output—critical advantages whether you're chasing lap times or simply maximizing your CRF150F's potential. Its...
    4H03150
    SKU:
    4H03150
    Availability:
    Ships Same Business Day
    Weight:
    5.60 LBS
    $418.95
    Qty in Cart: 0
    Quantity:
    Price:
    $418.95
    Subtotal:
  • Pro Circuit T-4 Slip-On Exhaust Honda XR650L 1993-2024 4H85600

    Pro Circuit T-4 Slip-On Exhaust Honda XR650L 1993-2024 4H85600

    PRO CIRCUIT

    $523.95
    The Pro Circuit T-4 slip-on exhaust unlocks measurable horsepower and torque gains across your XR650L's entire power band, translating to quicker acceleration and more responsive throttle control on...
    4H85600
    SKU:
    4H85600
    Availability:
    Ships Same Business Day
    Weight:
    9.00 LBS
    $523.95
    Qty in Cart: 0
    Quantity:
    Price:
    $523.95
    Subtotal:
  • Pro Circuit Ti-6 Exhaust System Yamaha YZ450F 2020-2022 0332145F

    Pro Circuit Ti-6 Exhaust System Yamaha YZ450F 2020-2022 0332145F

    PRO CIRCUIT

    $1,487.95
    The Pro Circuit Ti-6 Exhaust System delivers the performance gains and sound control that serious YZ450F riders demand. By optimizing exhaust flow through an asymmetrical muffler design and RC-4...
    18201981
    SKU:
    18201981
    Availability:
    Ships Same Business Day
    Weight:
    12.60 LBS
    PIPE MATERIAL:
    TITANIUM
    RIDING STYLE:
    OFF-ROAD
    END CAP STYLE:
    SLASH-CUT
    MODEL:
    TI-6
    PRODUCT NAME:
    EXHAUST SYSTEM
    TYPE:
    FULL SYSTEM
    END CAP MATERIAL:
    CARBON FIBER
    STYLE:
    ASYMMETRICAL
    UNITS:
    EACH
    MUFFLER MATERIAL:
    TITANIUM
    $1,487.95
    Qty in Cart: 0
    Quantity:
    Price:
    $1,487.95
    Subtotal:
  • Pro Circuit Ti-2 Silencer KTM 250 SX 2017 1151725K

    Pro Circuit Ti-2 Silencer KTM 250 SX 2017 1151725K

    PRO CIRCUIT

    $446.95
    If you're serious about track performance on your 2017 KTM 250 SX, weight savings and durability directly translate to faster lap times and fewer mechanical failures. The Pro Circuit Ti-2 Silencer...
    18211777
    SKU:
    18211777
    Availability:
    Ships Same Business Day
    Weight:
    2.05 LBS
    MUFFLER MATERIAL:
    CARBON-ARAMID FIBER
    MODEL:
    TI-2
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    SLIP-ON
    END CAP MATERIAL:
    TITANIUM
    PRODUCT NAME:
    SILENCER
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    UNITS:
    EACH
    PIPE MATERIAL:
    TITANIUM
    $446.95
    Qty in Cart: 0
    Quantity:
    Price:
    $446.95
    Subtotal:
  • Pro Circuit 304 Silencer Husqvarna TC250 2017-2018 1061725

    Pro Circuit 304 Silencer Husqvarna TC250 2017-2018 1061725

    PRO CIRCUIT

    $205.95
    If you're running a Husqvarna TC250, exhaust flow directly impacts your power delivery across the RPM range. The Pro Circuit 304 Silencer combines extended body tuning with proven construction...
    18211779
    SKU:
    18211779
    Availability:
    Ships Same Business Day
    Weight:
    2.69 LBS
    MATERIAL:
    ALUMINUM
    MUFFLER COLOR/FINISH:
    BRUSHED
    PRODUCT NAME:
    SILENCER
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    STYLE:
    ROUND
    MATERIAL:
    STAINLESS STEEL
    MODEL:
    304
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    SLIP-ON
    UNITS:
    EACH
    PIPE MATERIAL:
    STAINLESS STEEL
    END CAP MATERIAL:
    STAINLESS STEEL
    MUFFLER MATERIAL:
    6061 T6 ALUMINUM
    $205.95
    Qty in Cart: 0
    Quantity:
    Price:
    $205.95
    Subtotal:
  • Pro Circuit R-304 Silencer Husqvarna TC250 2017-2018 1161725

    Pro Circuit R-304 Silencer Husqvarna TC250 2017-2018 1161725

    PRO CIRCUIT

    $206.29
    The Pro Circuit R-304 Silencer is engineered for closed-course racing where weight savings and peak power delivery directly impact lap times. Its compact aluminum design and 304 stainless steel...
    18211780
    SKU:
    18211780
    Availability:
    Ships Same Business Day
    Weight:
    2.61 LBS
    MUFFLER COLOR/FINISH:
    BRUSHED
    MODEL:
    R-304
    MUFFLER MATERIAL:
    6061 T6 ALUMINUM
    PIPE MATERIAL:
    STAINLESS STEEL
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    SLIP-ON
    END CAP MATERIAL:
    STAINLESS STEEL
    PRODUCT NAME:
    SILENCER
    UNITS:
    EACH
    $206.29
    Qty in Cart: 0
    Quantity:
    Price:
    $206.29
    Subtotal:
  • Pro Circuit T-6 Slip-On Silencer for Kawasaki KX250F 2017-2019 0121725A

    Pro Circuit T-6 Slip-On Silencer for Kawasaki KX250F 2017-2019 0121725A

    PRO CIRCUIT

    $649.95
    If you're running a KX250F, stock exhaust is costing you power and throttle response. The Pro Circuit T-6 Slip-On Silencer delivers measurable performance gains through optimized flow dynamics while...
    18211783
    SKU:
    18211783
    Availability:
    Ships Same Business Day
    Weight:
    10.30 LBS
    END CAP MATERIAL:
    STAINLESS STEEL
    MODEL:
    T-6
    MUFFLER MATERIAL:
    ALUMINUM
    PRODUCT NAME:
    SILENCER
    UNITS:
    EACH
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    SLIP-ON
    $649.95
    Qty in Cart: 0
    Quantity:
    Price:
    $649.95
    Subtotal:
  • Pro Circuit T-6 Slip-On Silencer KTM 350 SX-F 2016-2018 0151635A

    Pro Circuit T-6 Slip-On Silencer KTM 350 SX-F 2016-2018 0151635A

    PRO CIRCUIT

    $649.95
    If you're running a 350 SX-F and want measurable gains in throttle response and mid-range power, a quality slip-on silencer is one of the most cost-effective upgrades available. The Pro Circuit T-6...
    18211729
    SKU:
    18211729
    Availability:
    Ships Same Business Day
    Weight:
    8.60 LBS
    PRODUCT NAME:
    SILENCER
    MODEL:
    T-6
    UNITS:
    EACH
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    SLIP-ON
    END CAP MATERIAL:
    STAINLESS STEEL
    MUFFLER MATERIAL:
    ALUMINUM
    $649.95
    Qty in Cart: 0
    Quantity:
    Price:
    $649.95
    Subtotal:
  • Pro Circuit T-6 Muffler for 2018 KTM 450SXF 0151545A

    Pro Circuit T-6 Muffler for 2018 KTM 450SXF 0151545A

    PRO CIRCUIT

    $649.95
    The Pro Circuit T-6 Muffler delivers measurable power gains and a refined exhaust note for your 2018 KTM 450SXF while maintaining the reliability you need in competition or trail conditions. This...
    18211699
    SKU:
    18211699
    Availability:
    Ships Same Business Day
    Weight:
    9.00 LBS
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    SLIP-ON
    END CAP MATERIAL:
    STAINLESS STEEL
    MUFFLER MATERIAL:
    ALUMINUM
    MODEL:
    T-6
    PRODUCT NAME:
    SILENCER
    UNITS:
    EACH
    $649.95
    Qty in Cart: 0
    Quantity:
    Price:
    $649.95
    Subtotal:
  • Pro Circuit T-6 Slip-On Silencer for Yamaha YZ450F 2018-2019 0131845A

    Pro Circuit T-6 Slip-On Silencer for Yamaha YZ450F 2018-2019 0131845A

    PRO CIRCUIT

    $799.95
    The Pro Circuit T-6 slip-on silencer delivers measurable gains in exhaust scavenging and mid-range power for your YZ450F while maintaining stock headpipe compatibility—no custom fabrication required...
    18211841
    SKU:
    18211841
    Availability:
    Ships Same Business Day
    Weight:
    12.30 LBS
    END CAP MATERIAL:
    STAINLESS STEEL
    MODEL:
    T-6
    MUFFLER MATERIAL:
    ALUMINUM
    PRODUCT NAME:
    SILENCER
    UNITS:
    EACH
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    SLIP-ON
    $799.95
    Qty in Cart: 0
    Quantity:
    Price:
    $799.95
    Subtotal:
  • Pro Circuit Ti-2 Silencer for 2002-2007 Honda CR125R 1111412K

    Pro Circuit Ti-2 Silencer for 2002-2007 Honda CR125R 1111412K

    PRO CIRCUIT

    $446.95
    If you're running a CR125R in competitive closed-course racing, exhaust system choice directly impacts your power delivery and throttle response. The Pro Circuit Ti-2 Silencer is purpose-built for...
    18211732
    SKU:
    18211732
    Availability:
    Ships Same Business Day
    Weight:
    1.45 LBS
    MUFFLER MATERIAL:
    CARBON-ARAMID FIBER
    MODEL:
    TI-2
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    SLIP-ON
    END CAP MATERIAL:
    TITANIUM
    PRODUCT NAME:
    SILENCER
    UNITS:
    EACH
    PIPE MATERIAL:
    TITANIUM
    $446.95
    Qty in Cart: 0
    Quantity:
    Price:
    $446.95
    Subtotal:
  • Pro Circuit Ti-2 Silencer Honda CR250R 2004-2007 1111425K

    Pro Circuit Ti-2 Silencer Honda CR250R 2004-2007 1111425K

    PRO CIRCUIT

    $446.95
    The Pro Circuit Ti-2 Silencer delivers measurable weight savings and power gains on your CR250R—critical advantages on the track where every tenth of a second counts. By combining carbon-aramid fiber...
    18211733
    SKU:
    18211733
    Availability:
    Ships Same Business Day
    Weight:
    2.05 LBS
    MODEL:
    TI-2
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    SLIP-ON
    UNITS:
    EACH
    END CAP MATERIAL:
    TITANIUM
    MUFFLER MATERIAL:
    CARBON-ARAMID FIBER
    PRODUCT NAME:
    SILENCER
    PIPE MATERIAL:
    TITANIUM
    $446.95
    Qty in Cart: 0
    Quantity:
    Price:
    $446.95
    Subtotal:
  • Pro Circuit 304 Silencer for 2018-2021 KTM 85 SX 1061985

    Pro Circuit 304 Silencer for 2018-2021 KTM 85 SX 1061985

    PRO CIRCUIT

    $205.95
    The Pro Circuit 304 Silencer delivers measurable gains in top-end power while keeping noise levels compliant for track and trail use. Its extended chamber design optimizes exhaust scavenging without...
    18211929
    SKU:
    18211929
    Availability:
    Ships Same Business Day
    Weight:
    2.10 LBS
    MUFFLER COLOR/FINISH:
    BRUSHED
    PRODUCT NAME:
    SILENCER
    STYLE:
    ROUND
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    MODEL:
    304
    PIPE MATERIAL:
    STAINLESS STEEL
    TYPE:
    SLIP-ON
    END CAP MATERIAL:
    STAINLESS STEEL
    MUFFLER MATERIAL:
    6061 T6 ALUMINUM
    $205.95
    Qty in Cart: 0
    Quantity:
    Price:
    $205.95
    Subtotal:
  • Pro Circuit R-304 Silencer KTM 85 SX 2018-2024 1161985

    Pro Circuit R-304 Silencer KTM 85 SX 2018-2024 1161985

    PRO CIRCUIT

    $206.29
    The Pro Circuit R-304 Silencer is purpose-built for closed-course two-stroke racing, where every gram and horsepower counts. This compact aluminum canister delivers measurable power gains while...
    18211930
    SKU:
    18211930
    Availability:
    Ships Same Business Day
    Weight:
    1.81 LBS
    UNITS:
    EACH
    MUFFLER COLOR/FINISH:
    BRUSHED
    PRODUCT NAME:
    SILENCER
    END CAP MATERIAL:
    STAINLESS STEEL
    MODEL:
    R-304
    MUFFLER MATERIAL:
    6061 T6 ALUMINUM
    PIPE MATERIAL:
    STAINLESS STEEL
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    SLIP-ON
    jjmake:
    KTM
    jjmodel:
    85 SX
    jjyear:
    2019
    $206.29
    Qty in Cart: 0
    Quantity:
    Price:
    $206.29
    Subtotal:
  • Pro Circuit Type 296 Spark Arrestor Silencer KTM 85 SX 2018-2024 1361985

    Pro Circuit Type 296 Spark Arrestor Silencer KTM 85 SX 2018-2024 1361985

    PRO CIRCUIT

    $232.95
    If you're riding in noise-sensitive areas—whether that's U.S. Forest Service land or local trail systems with strict decibel limits—this silencer gives you the compliance you need without sacrificing...
    18211931
    SKU:
    18211931
    Availability:
    Ships Same Business Day
    Weight:
    2.87 LBS
    FEATURES:
    WITH SPARK ARRESTOR
    MUFFLER MATERIAL:
    6061 T6 ALUMINUM
    PRODUCT NAME:
    MUFFLER
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    SLIP-ON
    UNITS:
    EACH
    END CAP MATERIAL:
    STAINLESS STEEL
    MODEL:
    TYPE 296
    $232.95
    Qty in Cart: 0
    Quantity:
    Price:
    $232.95
    Subtotal:
  • Pro Circuit T-6 Slip-On Silencer Yamaha YZ250F 2019-2025 0131925A

    Pro Circuit T-6 Slip-On Silencer Yamaha YZ250F 2019-2025 0131925A

    PRO CIRCUIT

    $799.95
    The Pro Circuit T-6 slip-on silencer delivers measurable gains in power and throttle response while keeping weight to a minimum—critical for YZ250F riders who demand performance without compromise...
    18211893
    SKU:
    18211893
    Availability:
    Ships Same Business Day
    Weight:
    11.60 LBS
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    SLIP-ON
    MUFFLER MATERIAL:
    ALUMINUM
    PRODUCT NAME:
    SILENCER
    END CAP MATERIAL:
    STAINLESS STEEL
    MODEL:
    T-6
    UNITS:
    EACH
    $799.95
    Qty in Cart: 0
    Quantity:
    Price:
    $799.95
    Subtotal:
  • Pro Circuit 304 Silencer KTM 250 SX 2019-2022 1051925

    Pro Circuit 304 Silencer KTM 250 SX 2019-2022 1051925

    PRO CIRCUIT

    $205.95
    The Pro Circuit 304 Silencer delivers the performance gains you need without sacrificing track-side legality or neighbor relations. Its extended body design increases top-end power while the...
    18211894
    SKU:
    18211894
    Availability:
    Ships Same Business Day
    Weight:
    2.56 LBS
    MODEL:
    304
    MUFFLER MATERIAL:
    6061 T6 ALUMINUM
    PIPE MATERIAL:
    STAINLESS STEEL
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    SLIP-ON
    END CAP MATERIAL:
    STAINLESS STEEL
    MUFFLER COLOR/FINISH:
    BRUSHED
    PRODUCT NAME:
    SILENCER
    UNITS:
    EACH
    STYLE:
    ROUND
    $205.95
    Qty in Cart: 0
    Quantity:
    Price:
    $205.95
    Subtotal:
  • Pro Circuit R-304 Silencer KTM 250 SX 2019-2022 1151925

    Pro Circuit R-304 Silencer KTM 250 SX 2019-2022 1151925

    PRO CIRCUIT

    $206.29
    If you're running a KTM 250 SX on the track, your exhaust system directly impacts power delivery and throttle response. The Pro Circuit R-304 Silencer is engineered for full-race two-stroke engines,...
    18211895
    SKU:
    18211895
    Availability:
    Ships Same Business Day
    Weight:
    2.40 LBS
    MUFFLER MATERIAL:
    6061 T6 ALUMINUM
    PIPE MATERIAL:
    STAINLESS STEEL
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    SLIP-ON
    END CAP MATERIAL:
    STAINLESS STEEL
    MODEL:
    R-304
    MUFFLER COLOR/FINISH:
    BRUSHED
    PRODUCT NAME:
    SILENCER
    UNITS:
    EACH
    $206.29
    Qty in Cart: 0
    Quantity:
    Price:
    $206.29
    Subtotal:
  • Pro Circuit Ti-2 Silencer KTM 250 SX 2019-2022 1151925K

    Pro Circuit Ti-2 Silencer KTM 250 SX 2019-2022 1151925K

    PRO CIRCUIT

    $446.95
    If you're serious about track performance on your 250 SX, weight savings and exhaust flow efficiency directly impact your power-to-weight ratio and throttle response. The Pro Circuit Ti-2 Silencer...
    18211896
    SKU:
    18211896
    Availability:
    Ships Same Business Day
    Weight:
    1.95 LBS
    END CAP MATERIAL:
    TITANIUM
    MODEL:
    TI-2
    PRODUCT NAME:
    SILENCER
    UNITS:
    EACH
    MUFFLER MATERIAL:
    CARBON-ARAMID FIBER
    PIPE MATERIAL:
    TITANIUM
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    SLIP-ON
    $446.95
    Qty in Cart: 0
    Quantity:
    Price:
    $446.95
    Subtotal:
  • Pro Circuit 250 SX 2019-2022 Spark Arrestor Silencer 1351925

    Pro Circuit 250 SX 2019-2022 Spark Arrestor Silencer 1351925

    PRO CIRCUIT

    $232.95
    If you're riding where noise restrictions matter—whether that's National Forest trails or organized events—this silencer delivers the compliance you need without sacrificing throttle response. The...
    18211897
    SKU:
    18211897
    Availability:
    Ships Same Business Day
    Weight:
    3.89 LBS
    END CAP MATERIAL:
    STAINLESS STEEL
    MODEL:
    TYPE 296
    FEATURES:
    WITH SPARK ARRESTOR
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    SLIP-ON
    MUFFLER MATERIAL:
    6061 T6 ALUMINUM
    PRODUCT NAME:
    MUFFLER
    UNITS:
    EACH
    $232.95
    Qty in Cart: 0
    Quantity:
    Price:
    $232.95
    Subtotal:
  • Pro Circuit 304 Silencer KTM 125 SX 2019-2022 1051912

    Pro Circuit 304 Silencer KTM 125 SX 2019-2022 1051912

    PRO CIRCUIT

    $205.95
    The Pro Circuit 304 Silencer delivers measurable top-end power gains while maintaining track-friendly sound levels—critical for both competitive racing and high-volume practice sessions. Its extended...
    18211898
    SKU:
    18211898
    Availability:
    Ships Same Business Day
    Weight:
    2.35 LBS
    MUFFLER COLOR/FINISH:
    BRUSHED
    PRODUCT NAME:
    SILENCER
    STYLE:
    ROUND
    UNITS:
    EACH
    END CAP MATERIAL:
    STAINLESS STEEL
    MUFFLER MATERIAL:
    6061 T6 ALUMINUM
    MODEL:
    304
    PIPE MATERIAL:
    STAINLESS STEEL
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    SLIP-ON
    $205.95
    Qty in Cart: 0
    Quantity:
    Price:
    $205.95
    Subtotal:
  • Pro Circuit R-304 Silencer KTM 125 SX 2019-2022 1151912

    Pro Circuit R-304 Silencer KTM 125 SX 2019-2022 1151912

    PRO CIRCUIT

    $206.29
    The PRO CIRCUIT R-304 Silencer is engineered for KTM 125 SX racers who demand measurable power gains without sacrificing weight or reliability. Its compact aluminum construction and 304 stainless...
    18211899
    SKU:
    18211899
    Availability:
    Ships Same Business Day
    Weight:
    2.25 LBS
    MUFFLER COLOR/FINISH:
    BRUSHED
    PRODUCT NAME:
    SILENCER
    MODEL:
    R-304
    UNITS:
    EACH
    PIPE MATERIAL:
    STAINLESS STEEL
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    SLIP-ON
    END CAP MATERIAL:
    STAINLESS STEEL
    MUFFLER MATERIAL:
    6061 T6 ALUMINUM
    $206.29
    Qty in Cart: 0
    Quantity:
    Price:
    $206.29
    Subtotal:
  • Pro Circuit Ti-2 Silencer for 2022 KTM 125 SX 1151912K

    Pro Circuit Ti-2 Silencer for 2022 KTM 125 SX 1151912K

    PRO CIRCUIT

    $446.95
    If you're serious about track performance on your 2022 KTM 125 SX, exhaust choice directly impacts your power delivery and weight distribution. The Pro Circuit Ti-2 Silencer delivers measurable gains...
    18211900
    SKU:
    18211900
    Availability:
    Ships Same Business Day
    Weight:
    1.81 LBS
    END CAP MATERIAL:
    TITANIUM
    MUFFLER MATERIAL:
    CARBON-ARAMID FIBER
    PRODUCT NAME:
    SILENCER
    MODEL:
    TI-2
    PIPE MATERIAL:
    TITANIUM
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    SLIP-ON
    UNITS:
    EACH
    $446.95
    Qty in Cart: 0
    Quantity:
    Price:
    $446.95
    Subtotal:
  • Pro Circuit Spark Arrestor Silencer KTM 125 SX 2019-2022 1351912

    Pro Circuit Spark Arrestor Silencer KTM 125 SX 2019-2022 1351912

    PRO CIRCUIT

    $232.95
    If you're riding in noise-restricted areas like national forests or need to meet sound regulations, this silencer delivers compliance without sacrificing performance. The Pro Circuit Spark Arrestor...
    18211901
    SKU:
    18211901
    Availability:
    Ships Same Business Day
    Weight:
    3.50 LBS
    END CAP MATERIAL:
    STAINLESS STEEL
    MODEL:
    TYPE 296
    UNITS:
    EACH
    FEATURES:
    WITH SPARK ARRESTOR
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    SLIP-ON
    MUFFLER MATERIAL:
    6061 T6 ALUMINUM
    PRODUCT NAME:
    MUFFLER
    $232.95
    Qty in Cart: 0
    Quantity:
    Price:
    $232.95
    Subtotal:
  • Pro Circuit Spark Arrestor Silencer Gas Gas XC 300 2018 SG18300-296

    Pro Circuit Spark Arrestor Silencer Gas Gas XC 300 2018 SG18300-296

    PRO CIRCUIT

    $202.95
    If you're riding in noise-restricted areas or looking to reduce your XC 300's acoustic signature without compromising performance, the Pro Circuit Type 296 Silencer is engineered for exactly that...
    18211876
    SKU:
    18211876
    Availability:
    Ships Same Business Day
    Weight:
    3.79 LBS
    END CAP MATERIAL:
    STAINLESS STEEL
    MODEL:
    TYPE 296
    FEATURES:
    WITH SPARK ARRESTOR
    MUFFLER MATERIAL:
    6061 T6 ALUMINUM
    PRODUCT NAME:
    MUFFLER
    UNITS:
    EACH
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    SLIP-ON
    $202.95
    Qty in Cart: 0
    Quantity:
    Price:
    $202.95
    Subtotal:
  • Pro Circuit 304 Silencer GasGas XC 300 2018 SG18300-SE

    Pro Circuit 304 Silencer GasGas XC 300 2018 SG18300-SE

    PRO CIRCUIT

    $205.95
    If you're running a GasGas XC 300, you know that factory exhaust compromises both power delivery and noise compliance. The Pro Circuit 304 Silencer delivers measurable top-end gains while keeping...
    18211877
    SKU:
    18211877
    Availability:
    Ships Same Business Day
    Weight:
    4.00 LBS
    END CAP MATERIAL:
    STAINLESS STEEL
    UNITS:
    EACH
    PRODUCT NAME:
    SILENCER
    STYLE:
    ROUND
    MODEL:
    304
    PIPE MATERIAL:
    STAINLESS STEEL
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    SLIP-ON
    MUFFLER COLOR/FINISH:
    BRUSHED
    MUFFLER MATERIAL:
    6061 T6 ALUMINUM
    $205.95
    Qty in Cart: 0
    Quantity:
    Price:
    $205.95
    Subtotal:
  • Pro Circuit T-6 Slip-On Silencer KTM 450 SX-F 2019-2022 0151845A

    Pro Circuit T-6 Slip-On Silencer KTM 450 SX-F 2019-2022 0151845A

    PRO CIRCUIT

    $649.95
    The Pro Circuit T-6 slip-on silencer delivers measurable gains in power and throttle response while significantly reducing backpressure—a direct result of its asymmetrical design and optimized...
    18211878
    SKU:
    18211878
    Availability:
    Ships Same Business Day
    Weight:
    9.20 LBS
    END CAP MATERIAL:
    STAINLESS STEEL
    MUFFLER MATERIAL:
    ALUMINUM
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    SLIP-ON
    PRODUCT NAME:
    SILENCER
    UNITS:
    EACH
    MODEL:
    T-6
    $649.95
    Qty in Cart: 0
    Quantity:
    Price:
    $649.95
    Subtotal:
  • Pro Circuit 304 Silencer Yamaha YZ65 2018-2025 1031865

    Pro Circuit 304 Silencer Yamaha YZ65 2018-2025 1031865

    PRO CIRCUIT

    $205.95
    If you're running a YZ65 in a competition or practice environment, stock exhaust limitations are holding back your top-end power while drawing complaints from track officials. The PRO CIRCUIT 304...
    18211879
    SKU:
    18211879
    Availability:
    Ships Same Business Day
    Weight:
    1.70 LBS
    END CAP MATERIAL:
    STAINLESS STEEL
    MODEL:
    304
    MUFFLER MATERIAL:
    6061 T6 ALUMINUM
    PIPE MATERIAL:
    STAINLESS STEEL
    TYPE:
    SLIP-ON
    RIDING STYLE:
    OFF-ROAD
    STYLE:
    ROUND
    MUFFLER COLOR/FINISH:
    BRUSHED
    PRODUCT NAME:
    SILENCER
    UNITS:
    EACH
    $205.95
    Qty in Cart: 0
    Quantity:
    Price:
    $205.95
    Subtotal:
  • Pro Circuit Ti-2 Silencer Yamaha YZ65 2018-2025 1131865K

    Pro Circuit Ti-2 Silencer Yamaha YZ65 2018-2025 1131865K

    PRO CIRCUIT

    $446.95
    The Pro Circuit Ti-2 Silencer delivers measurable performance gains on the track through optimized exhaust flow and reduced rotational mass—critical advantages in competitive YZ65 racing where...
    18211880
    SKU:
    18211880
    Availability:
    Ships Same Business Day
    Weight:
    1.40 LBS
    MUFFLER MATERIAL:
    CARBON-ARAMID FIBER
    MODEL:
    TI-2
    TYPE:
    SLIP-ON
    END CAP MATERIAL:
    TITANIUM
    PRODUCT NAME:
    SILENCER
    UNITS:
    EACH
    PIPE MATERIAL:
    TITANIUM
    RIDING STYLE:
    OFF-ROAD
    $446.95
    Qty in Cart: 0
    Quantity:
    Price:
    $446.95
    Subtotal:
  • Pro Circuit T-6 Slip-On Exhaust Honda CRF250R 2018-2019 0111825A2

    Pro Circuit T-6 Slip-On Exhaust Honda CRF250R 2018-2019 0111825A2

    PRO CIRCUIT

    $1,045.95
    If you're running a CRF250R in competition or on the trail, your exhaust system directly impacts power delivery and throttle response. The Pro Circuit T-6 slip-on delivers measurable performance...
    18211860
    SKU:
    18211860
    Availability:
    Ships Same Business Day
    Weight:
    17.40 LBS
    PRODUCT NAME:
    SILENCER
    MODEL:
    T-6
    UNITS:
    EACH
    END CAP MATERIAL:
    STAINLESS STEEL
    MUFFLER MATERIAL:
    ALUMINUM
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    SLIP-ON
    $1,045.95
    Qty in Cart: 0
    Quantity:
    Price:
    $1,045.95
    Subtotal:
  • Pro Circuit 304 Silencer for 2016 KTM 125 SX 1051612

    Pro Circuit 304 Silencer for 2016 KTM 125 SX 1051612

    PRO CIRCUIT

    $205.95
    If you're running a 2016 KTM 125 SX, the Pro Circuit 304 Silencer delivers measurable gains in top-end power while keeping noise levels in check—critical when you're pushing hard on the track or...
    18211753
    SKU:
    18211753
    Availability:
    Ships Same Business Day
    Weight:
    2.35 LBS
    PRODUCT NAME:
    SILENCER
    STYLE:
    ROUND
    END CAP MATERIAL:
    STAINLESS STEEL
    UNITS:
    EACH
    MODEL:
    304
    PIPE MATERIAL:
    STAINLESS STEEL
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    SLIP-ON
    MUFFLER COLOR/FINISH:
    BRUSHED
    MUFFLER MATERIAL:
    6061 T6 ALUMINUM
    $205.95
    Qty in Cart: 0
    Quantity:
    Price:
    $205.95
    Subtotal:
  • Pro Circuit R-304 Silencer KTM 125 SX 2016-2018 1151612

    Pro Circuit R-304 Silencer KTM 125 SX 2016-2018 1151612

    PRO CIRCUIT

    $206.29
    For KTM 125 SX racers, exhaust performance directly translates to power delivery and lap times. The Pro Circuit R-304 delivers measurable gains through optimized scavenging and a compact design that...
    18211754
    SKU:
    18211754
    Availability:
    Ships Same Business Day
    Weight:
    2.15 LBS
    MUFFLER COLOR/FINISH:
    BRUSHED
    PRODUCT NAME:
    SILENCER
    MODEL:
    R-304
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    SLIP-ON
    UNITS:
    EACH
    END CAP MATERIAL:
    STAINLESS STEEL
    MUFFLER MATERIAL:
    6061 T6 ALUMINUM
    PIPE MATERIAL:
    STAINLESS STEEL
    $206.29
    Qty in Cart: 0
    Quantity:
    Price:
    $206.29
    Subtotal:
  • Pro Circuit Banjo Bolt and Washer Kit for 2024 Honda CRF250F BB08065 Pro Circuit Banjo Bolt and Washer Kit for 2024 Honda CRF250F BB08065

    Pro Circuit Banjo Bolt and Washer Kit for 2024 Honda CRF250F BB08065

    PRO CIRCUIT

    $49.95
    Banjo bolts are critical connection points in your fuel and brake systems—a failure here means a catastrophic leak at speed. Pro Circuit's BB08065 kit delivers precision engineering with...
    17420146
    SKU:
    17420146
    Availability:
    Ships Same Business Day
    Weight:
    0.14 LBS
    MATERIAL:
    AIRCRAFT-GRADE ALUMINUM
    UNITS:
    PAIR
    COLOR/FINISH:
    RED
    RIDING STYLE:
    ATV
    TYPE:
    SINGLE
    COLOR/FINISH:
    ANODIZED
    DIAMETER - THREAD SIZE:
    M10 X 1.25
    PRODUCT NAME:
    BANJO BOLT
    RIDING STYLE:
    UTV
    STYLE:
    STANDARD
    $49.95
    Qty in Cart: 0
    Quantity:
    Price:
    $49.95
    Subtotal:
  • Pro Circuit Brake Hose Clamp for Kawasaki KX250F 2004-2025 PC4014-0000

    Pro Circuit Brake Hose Clamp for Kawasaki KX250F 2004-2025 PC4014-0000

    PRO CIRCUIT

    $44.95
    Stock brake hose clamps are prone to loosening and deterioration under the intense vibration and heat of off-road riding, compromising your braking reliability when you need it most. The Pro Circuit...
    17420432
    SKU:
    17420432
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    COLOR/FINISH:
    BLACK
    PRODUCT NAME:
    CLAMP
    TYPE:
    BRAKE HOSE
    UNITS:
    EACH
    RIDING STYLE:
    OFF-ROAD
    $44.95
    Qty in Cart: 0
    Quantity:
    Price:
    $44.95
    Subtotal:
  • Pro Circuit Platinum Head Pipe Kawasaki KX250 2000 PK00250P

    Pro Circuit Platinum Head Pipe Kawasaki KX250 2000 PK00250P

    PRO CIRCUIT

    $365.95
    The Pro Circuit Platinum Head Pipe is engineered to deliver measurable performance gains while maintaining the durability required for competitive and recreational riding. A quality head pipe is...
    PK00250P
    SKU:
    PK00250P
    Availability:
    Ships Same Business Day
    Weight:
    8.30 LBS
    $365.95
    Qty in Cart: 0
    Quantity:
    Price:
    $365.95
    Subtotal:
  • Pro Circuit Platinum Head Pipe Kawasaki KX250 2001 PK01250P

    Pro Circuit Platinum Head Pipe Kawasaki KX250 2001 PK01250P

    PRO CIRCUIT

    $365.95
    A stock head pipe will cost you performance and reliability when you're pushing your KX250 to the limit. The Pro Circuit Platinum Head Pipe delivers measurable gains in exhaust scavenging and...
    PK01250P
    SKU:
    PK01250P
    Availability:
    Ships Same Business Day
    Weight:
    8.40 LBS
    $365.95
    Qty in Cart: 0
    Quantity:
    Price:
    $365.95
    Subtotal:
  • Pro Circuit Works Pipe Kawasaki KX65 2002-2015 PK02065

    Pro Circuit Works Pipe Kawasaki KX65 2002-2015 PK02065

    PRO CIRCUIT

    $322.95
    If you're running a KX65 in competitive or high-demand riding situations, exhaust flow is everything—and the Pro Circuit Works Pipe delivers measurable gains in horsepower and throttle response...
    PK02065
    SKU:
    PK02065
    Availability:
    Ships Same Business Day
    Weight:
    4.16 LBS
    $322.95
    Qty in Cart: 0
    Quantity:
    Price:
    $322.95
    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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