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  • M4 Exhaust Carbon Fiber Street Slayer Slip On 2009 - 2026 Kawasaki ZX-6R KA6914M4 Exhaust Carbon Fiber Street Slayer Slip On 2009 - 2026 Kawasaki ZX-6R KA6914
    M4 Performance Exhaust

    M4 Exhaust Carbon Fiber Street Slayer Slip On 2009 - 2026 Kawasaki ZX-6R KA6914

    Carbon Fiber Street Slayer Slip-On Get this shorty carbon slip-on to give your bike a sweet look while improving performance. Removes stock exhaust valve and muffler box, but retains catalytic converter. Comes with a removable quiet insert. Stage 1 Q5 Installed Q4 Stage 2 Quiet Insert Sold...
    $406.00
    $406.00
  • KA1012 M4 Exhaust All Black Retro-Drag Slip-On Kawasaki Eliminator 2024-2025KA1012 M4 Exhaust All Black Retro-Drag Slip-On Kawasaki Eliminator 2024-2025
    M4 Performance Exhaust

    KA1012 M4 Exhaust All Black Retro-Drag Slip-On Kawasaki Eliminator 2024-2025

    Typically ship within a few business days The all black Retro-Drag slip-on awakens the Eliminator and provides the look and sound it was destined for. Saves 6.3 lbs Over Stock Comes Pre-Installed with Q1 Quiet Insert *Does not meet emission requirements for street or highway use.
    $379.05
    $379.05
  • M4 Exhaust Full System Carbon Fiber 2021 - 2025 R7 YA6814M4 Exhaust Full System Carbon Fiber 2021 - 2025 R7 YA6814
    M4 Performance Exhaust

    M4 Exhaust Full System Carbon Fiber 2021 - 2025 R7 YA6814

    Typically ship within a few business days *Does not meet emission requirements for street or highway use. Large Diameter Dyno Tuned System for Ultimate Performance 304 Stainless Steel Tubing +7% Horsepower Over Stock System 7.7 lb Weight Savings vs Stock
    $759.00
    $759.00
  • M4 Exhaust GP19 Black Slip On ZX10R 2021-2026 KA9942-GP19M4 Exhaust GP19 Black Slip On ZX10R 2021-2026 KA9942-GP19
    M4 Performance Exhaust

    M4 Exhaust GP19 Black Slip On ZX10R 2021-2026 KA9942-GP19

    Saves 10.9 lbs Over Stock Removes Exhaust Valve Eliminates CAT Comes with M18 O2 Bung Stock 95 dB @7,000 RPM M4 112 dB @7,000 RPM Stock Max HP 170.4 @11,800 RPM M4 Max HP 172.7 @11,800 RPM Comes with Q1 Quiet Insert   *Does not meet...
    $474.05
    $499.00
    $474.05
  • M4 Exhaust GP19 Black Slip On 2009 - 2026 Kawasaki ZX-6R KA6922-GP19M4 Exhaust GP19 Black Slip On 2009 - 2026 Kawasaki ZX-6R KA6922-GP19
    M4 Performance Exhaust

    M4 Exhaust GP19 Black Slip On 2009 - 2026 Kawasaki ZX-6R KA6922-GP19

    Slip-On with Black GP19 Canister Removes stock exhaust valve and muffler box, but retains stock catalytic converter. Stage 1 Q1 Installed Q3 Stage 2 Quiet Insert Sold Separate Stainless Steel Tubing NOTE:  For US models only, does not come with O2 fitting for 2nd O2 sensor on...
    $392.00
    $392.00
  • M4 Exhaust BLACK CAT ELIMINATOR 2015-2026 Yamaha R1 YA-CEKR115M4 Exhaust BLACK CAT ELIMINATOR 2015-2026 Yamaha R1 YA-CEKR115
    M4 Performance Exhaust

    M4 Exhaust BLACK CAT ELIMINATOR 2015-2026 Yamaha R1 YA-CEKR115

    Black CAT Eliminator Stainless Steel Tubing Ceramic Coated Black Removes 11 lbs Compared to Stock Works with Stock Muffler or Most Aftermarket Mufflers That Mount in Stock Position Note: ECU re-flash required when removing the catalytic converter on 2015-2026 R1. Does not meet emission...
    $298.00
    $298.00
  • M4 Exhaust Full System Black GP19 with canister 2009 - 2026 Kawasaki ZX-6R KA6982-GP19M4 Exhaust Full System Black GP19 with canister 2009 - 2026 Kawasaki ZX-6R KA6982-GP19
    M4 Performance Exhaust

    M4 Exhaust Full System Black GP19 with canister 2009 - 2026 Kawasaki ZX-6R KA6982-GP19

    Full System with Black GP19 Canister GP19 style full system. Adds 6 horsepower over stock. Removes stock catalytic converter. Stage 1 Q1 Installed Q3 Stage 2 Quiet Insert Sold Separate Stainless Steel Tubing NOTE:  For US models only, does not come with O2 fitting for 2nd O2...
    $996.00
    $996.00
  • M4 Exhaust GP Black Slip on 2011-2026 Suzuki GSXR600/750 SU6112-GPM4 Exhaust GP Black Slip on 2011-2026 Suzuki GSXR600/750 SU6112-GP
    M4 Performance Exhaust

    M4 Exhaust GP Black Slip on 2011-2026 Suzuki GSXR600/750 SU6112-GP

    Slip-On Black GP Stage 1 and Stage 2 Quiet Inserts Sold Separate Optional Carbon Fiber Heat Shield Available but Sold Separate  Note: This system fits both GSX-R600 and GSX-R750 models.  Dyno chart shown is from the GSX-R600. *Does not meet emission requirements for street or highway use.
    $284.00
    $284.00
  • M4 Exhaust Q1 Quiet Insert
    M4 Performance Exhaust

    M4 Exhaust Q1 Quiet Insert

    Q1 stage 1 quiet Insert adds a level of sound dampening.
    $45.00
    $45.00
  • M4 Exhaust GP19 Black Slip On 2020-2026 BMW S1000RR BM9132-GP19M4 Exhaust GP19 Black Slip On 2020-2026 BMW S1000RR BM9132-GP19
    M4 Performance Exhaust

    M4 Exhaust GP19 Black Slip On 2020-2026 BMW S1000RR BM9132-GP19

    GP19 Slip-On Black GP Slip-On with GP19 Style End Cap 304 Stainless Steel with Black Ceramic Coating Will Fit Stock Exhaust or M4 Header Kit Retains Stock Catalytic Converter Stage 1 Q1 and Stage 2 Q3 Quiet Inserts Available (sold separate) Does not meet emission requirements for street...
    $379.00
    $379.00
  • M4 Exhaust Full System Titanium Canister 2005-2006 GSXR 1000 SU9956M4 Exhaust Full System Titanium Canister 2005-2006 GSXR 1000 SU9956
    M4 Performance Exhaust

    M4 Exhaust Full System Titanium Canister 2005-2006 GSXR 1000 SU9956

    Typically ship within a few business days Titanium Canister with Carbon Fiber End Cap Available dB reducing inserts: Stage 1 Q5 and Stage 2 Q4 (sold separate) Stainless Steel Tubing *Does not meet emission requirements for street or highway use.
    $1,090.60
    $1,090.60
  • M4 Exhaust Universal Header Kit 2017-2026 Kawasaki Z900 KA9000M4 Exhaust Universal Header Kit 2017-2026 Kawasaki Z900 KA9000
    M4 Performance Exhaust

    M4 Exhaust Universal Header Kit 2017-2026 Kawasaki Z900 KA9000

    Universal Header Kit M4 Performance Exhaust universal header kit for the Z900.  The 304 stainless steel system features equal length headpipes and a true high flow merge collector.  The system will fit most aftermarket slip-on’s or even the stock muffler.  Using the M4 header...
    $664.00
    $664.00
  • M4 Exhaust Titanium Slip On 2016-2026 Honda CBR500R HO5036M4 Exhaust Titanium Slip On 2016-2026 Honda CBR500R HO5036
    M4 Performance Exhaust

    M4 Exhaust Titanium Slip On 2016-2026 Honda CBR500R HO5036

    Slip-On with Titanium Canister Increases Performance Saves 5 lbs over stock Retains stock catalytic converter Stock 82 dB @ 4,500 rpm/ M4 92 dB @ 4,500 rpm Stage 1 Q5 and Stage 2 Q4 quiet inserts sold separate Does not meet emission requirements for street or highway use....
    $465.00
    $465.00
  • M4 Exhaust Polished Slip On 2016-2026 Honda CBR500 HO5032M4 Exhaust Polished Slip On 2016-2026 Honda CBR500 HO5032
    M4 Performance Exhaust

    M4 Exhaust Polished Slip On 2016-2026 Honda CBR500 HO5032

    Slip-On with Polished Canister Increases Performance Saves 5 lbs over stock Retains stock catalytic converter Stock 82 dB @ 4,500 rpm/ M4 92 dB @ 4,500 rpm Stage 1 Q5 and Stage 2 Q4 quiet inserts sold separate Does not meet emission requirements for street or highway use.
    $379.00
    $379.00
  • M4 Exhaust Q4 Stage 2 Quiet Insert
    M4 Performance Exhaust

    M4 Exhaust Q4 Stage 2 Quiet Insert

    Stage 2 Q4 quiet insert adds a second level of sound dampening.
    $56.00
    $56.00