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    M4 Yamaha R1 2015-2026 Street Slayer Half System M4 Yamaha R1 2015-2026 Street Slayer Half System

    M4

    M4 Yamaha R1 2015-2026 Street Slayer Half System

    M4 Yamaha R1 2015–2026 Street Slayer Half System The M4 Street Slayer Half System for the Yamaha R1 is engineered for riders seeking maximum weight savings, aggressive sound, and race-level performance. Featuring a catalytic converter eliminator...
    $814.50 $857.00
    You save $42.50
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    M4 Yamaha R1 2015-2026 Black RM1 Half System M4 Yamaha R1 2015-2026 Black RM1 Half System

    M4

    M4 Yamaha R1 2015-2026 Black RM1 Half System

    M4 Yamaha R1 2015–2026 Black RM1 Half System The M4 Black RM1 Half System for the Yamaha R1 delivers a major upgrade in performance, weight reduction, and aggressive styling. Featuring a catalytic converter eliminator and RM1 canister, this system...
    $646.00 $680.00
    You save $34.00
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    M4 Yamaha R7 2021-2026 Slip-On M4 Yamaha R7 2021-2026 Slip-On

    M4

    M4 Yamaha R7 2021-2026 Slip-On

    M4 Yamaha R7 2021-2026 Slip-On The M4 Slip-On for the Yamaha R7 is a large-diameter, dyno-tuned exhaust system designed to deliver maximum performance and an aggressive exhaust tone. Built from high-quality materials and engineered for optimal exhaust...
    $759.50 $799.00
    You save $39.50
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    M4 Yamaha R6 2006-2020 Muffler Box Eliminator Kit M4 Yamaha R6 2006-2020 Muffler Box Eliminator Kit

    M4

    M4 Yamaha R6 2006-2020 Muffler Box Eliminator Kit

    M4 Yamaha R6 2006–2020 Muffler Box Eliminator Kit The M4 Muffler Box Eliminator Kit for the Yamaha R6 is designed to remove the restrictive stock muffler box, allowing for improved exhaust flow and a more aggressive sound. This kit is a popular...
    $208.50 $219.00
    You save $10.50
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    M4 Yamaha R1 2015-2026 Carbon Fiber Heat Guard M4 Yamaha R1 2015-2026 Carbon Fiber Heat Guard

    M4

    M4 Yamaha R1 2015-2026 Carbon Fiber Heat Guard

    M4 Yamaha R1 2015–2026 Carbon Fiber Heat Guard The M4 Carbon Fiber Heat Guard for the Yamaha R1 is a simple yet effective upgrade that enhances the appearance of your bike’s stock exhaust system. Designed to mount directly onto the stock...
    $94.50 $99.00
    You save $4.50
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    M4 Honda CBR500R 2016-2026 Slip-On M4 Honda CBR500R 2016-2026 Slip-On

    M4

    M4 Honda CBR500R 2016-2026 Slip-On

    M4 Honda CBR500R 2016-2026 Slip-On The M4 Slip-On for the Honda CBR500R delivers improved exhaust performance, reduced weight, and a deeper, more aggressive sound while retaining the stock catalytic converter. Designed as a direct slip-on upgrade, this...
    $399.00 - $490.00
    $399.00 - $490.00
    $379.99 - $465.50
    Save up to 5% off
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    M4 Yamaha R6 2006-2020 Slip-On with Black GP Canister M4 Yamaha R6 2006-2020 Slip-On with Black GP Canister

    M4

    M4 Yamaha R6 2006-2020 Slip-On with Black GP Canister

    M4 Yamaha R6 2006–2020 Slip-On (Black GP Canister) The M4 Slip-On with Black GP canister for the Yamaha R6 offers an affordable way to upgrade your bike’s sound and style. Designed for a clean, aggressive look, this system delivers a deeper...
    $284.50 $299.00
    You save $14.50
  • sale
    M4 Yamaha R1 2015-2026 Black RM1 Slip-On M4 Yamaha R1 2015-2026 Black RM1 Slip-On

    M4

    M4 Yamaha R1 2015-2026 Black RM1 Slip-On

    M4 Yamaha R1 2015–2026 Black RM1 Slip-On The M4 Black RM1 Slip-On for the Yamaha R1 delivers a sleek, aggressive look while enhancing your bike’s sound and style. Designed to mount directly to the stock catalytic converter, this system...
    $379.99 $399.00
    You save $19.01
  • sale
    M4 Honda CBR1000RR 2017-2019 Street Slayer Slip-On M4 Honda CBR1000RR 2017-2019 Street Slayer Slip-On

    M4

    M4 Honda CBR1000RR 2017-2019 Street Slayer Slip-On

    M4 Honda CBR1000RR 2017–2019 Street Slayer Slip-On (Carbon Fiber) The M4 Street Slayer Slip-On for the Honda CBR1000RR delivers a sleek, aggressive look with a deeper, richer exhaust tone. Designed to enhance performance without excessive noise,...
    $437.95 $461.00
    You save $23.05
  • sale
    M4 Yamaha R1 2009-14 Undertail Slip-Ons with Carbon Fiber Canisters M4 Yamaha R1 2009-14 Undertail Slip-Ons with Carbon Fiber Canisters

    M4

    M4 Yamaha R1 2009-14 Undertail Slip-Ons with Carbon Fiber Canisters

    M4 Yamaha R1 2009–2014 Undertail Slip-Ons (Carbon Fiber) The M4 Undertail Slip-Ons for the Yamaha R1 deliver a clean, aggressive look while enhancing sound and performance. Designed to mount in the factory undertail position, this system retains...
    $917.99 $966.00
    You save $48.01
  • sale
    M4 Honda CBR1000RR 2017-2019 Black GP Slip-On M4 Honda CBR1000RR 2017-2019 Black GP Slip-On

    M4

    M4 Honda CBR1000RR 2017-2019 Black GP Slip-On

    M4 Honda CBR1000RR 2017–2019 Black GP Slip-On The M4 Black GP Slip-On for the Honda CBR1000RR delivers an aggressive sound and compact race-inspired styling. Designed as a lightweight upgrade, this system enhances the bike’s exhaust tone...
    $350.99 $369.00
    You save $18.01
  • sale
    M4 Yamaha R6 2006-2020 Street Slayer Slip-On with Carbon Canister M4 Yamaha R6 2006-2020 Street Slayer Slip-On with Carbon Canister

    M4

    M4 Yamaha R6 2006-2020 Street Slayer Slip-On with Carbon Canister

    M4 Yamaha R6 2006–2020 Street Slayer Slip-On (Carbon Fiber) The M4 Street Slayer Slip-On for the Yamaha R6 delivers an aggressive sound and sleek styling while utilizing the stock muffler box for easy installation. Designed for riders who want a...
    $426.99 $449.00
    You save $22.01
  • sale
    M4 Honda Rebel 300/500 2017-2024 All Black Retro-Drag Slip-On M4 Honda Rebel 300/500 2017-2024 All Black Retro-Drag Slip-On

    M4

    M4 Honda Rebel 300/500 2017-2024 All Black Retro-Drag Slip-On

    M4 Honda Rebel 300/500 2017-2024 All Black Retro-Drag Slip-On The M4 All Black Retro-Drag Slip-On for the Honda Rebel 300 and 500 delivers a classic drag-style look with a deeper, more aggressive exhaust tone. Designed to enhance both performance and...
    $379.99 $399.00
    You save $19.01
  • sale
    M4 Yamaha R1 2009-14 Undertail Slip-ons with Titanium Canisters M4 Yamaha R1 2009-14 Undertail Slip-ons with Titanium Canisters

    M4

    M4 Yamaha R1 2009-14 Undertail Slip-ons with Titanium Canisters

    M4 Yamaha R1 2009–2014 Undertail Slip-Ons (Titanium) The M4 Undertail Slip-Ons for the Yamaha R1 deliver a clean, aggressive look while enhancing sound and performance. Designed to mount in the factory undertail position, this system retains the...
    $917.99 $966.00
    You save $48.01
  • sale
    M4 BMW S1000RR 2020-2026 Tech1 Slip-On M4 BMW S1000RR 2020-2026 Tech1 Slip-On

    M4

    M4 BMW S1000RR 2020-2026 Tech1 Slip-On

    M4 BMW S1000RR 2020-2026 Tech1 Slip-On The M4 Tech1 Slip-On for the 2020–2026 BMW S1000RR features a premium Tech1-style carbon fiber canister that delivers a sleek race-inspired look along with improved exhaust tone and performance. Designed to...
    $502.00 $528.00
    You save $26.00
  • sale
    M4 Yamaha R6 2006-2020 Full Titanium System with Carbon Fiber Canister M4 Yamaha R6 2006-2020 Full Titanium System with Carbon Fiber Canister

    M4

    M4 Yamaha R6 2006-2020 Full Titanium System with Carbon Fiber Canister

    M4 Yamaha R6 2006–2020 Full Titanium System (Carbon Fiber X96 Canister) The M4 Full Titanium System with X96 carbon fiber canister for the Yamaha R6 is engineered for riders seeking maximum performance, extreme weight reduction, and a race-proven...
    $1,686.50 $1,775.00
    You save $88.50
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    M4 BMW S1000RR 2020-2026 GP19 Slip-On M4 BMW S1000RR 2020-2026 GP19 Slip-On

    M4

    M4 BMW S1000RR 2020-2026 GP19 Slip-On

    M4 BMW S1000RR 2020-2026 GP19 Slip-On The M4 GP19 Slip-On for the 2020–2026 BMW S1000RR delivers aggressive styling and improved exhaust performance while retaining the stock catalytic converter. Featuring a compact GP-style design with a GP19 end...
    $379.50 $399.00
    You save $19.50
  • sale
    M4 Yamaha R6 2006-2020 Full System with Carbon Fiber X96 Canister M4 Yamaha R6 2006-2020 Full System with Carbon Fiber X96 Canister

    M4

    M4 Yamaha R6 2006-2020 Full System with Carbon Fiber X96 Canister

    M4 Yamaha R6 2006–2020 Full System (Carbon Fiber X96 Canister) The M4 Full System with X96 carbon fiber canister for the Yamaha R6 is engineered for maximum performance, weight reduction, and race-inspired sound. Featuring advanced crossover...
    $1,139.50 $1,199.00
    You save $59.50
  • sale
    M4 Yamaha R1 2009-14 CAT Eliminator M4 Yamaha R1 2009-14 CAT Eliminator

    M4

    M4 Yamaha R1 2009-14 CAT Eliminator

    M4 Yamaha R1 2009-2014 CAT Eliminator Catalytic Converter Eliminator for the 2009–2014 Yamaha R1. Designed to fit stock mufflers and most aftermarket mufflers. Removing the catalytic converter increases exhaust flow, producing additional power...
    $227.50 $239.00
    You save $11.50
  • sale
    M4 BMW S1000RR Universal Header Kit M4 BMW S1000RR Universal Header Kit

    M4

    M4 BMW S1000RR Universal Header Kit

    M4 BMW S1000RR Universal Header Kit The M4 Universal Header Kit for the BMW S1000RR is a high-performance 304 stainless steel racing header assembly designed to significantly improve exhaust flow and reduce weight. This header kit fits the stock...
    $844.55 $889.00
    You save $44.45