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M4 Exhaust

Speedking MotoWerx is an authorized M4 Performance Exhaust dealer with over 200 slip-ons, full systems, quiet inserts, and heat shields in stock for Kawasaki, Suzuki, Yamaha, Honda, BMW, and KTM. Use the fitment finder above to see exactly what fits your bike, or call (970) 566-3258 with any fitment or sound questions. M4 systems are designed for closed-course use; check your local regulations before installing on a street-ridden motorcycle.

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  • M4 Exhaust Polished Slip On 2004-2010 SV 650 SU6612M4 Exhaust Polished Slip On 2004-2010 SV 650 SU6612
    M4 Performance Exhaust

    M4 Exhaust Polished Slip On 2004-2010 SV 650 SU6612

    Typically ship within a few business days *Does not meet emission requirements for street or highway use. This slip-on Requires Cutting of The Stock Exhaust Detailed Instructions Included Polished Canister with Carbon Fiber End Cap Available dB Reducing Inserts: Stage 1
    $352.45
    $352.45
  • M4 Exhaust Full Titanium System Black GP19 2016-2020 Kawasaki ZX-10R KA9922-GP19TM4 Exhaust Full Titanium System Black GP19 2016-2020 Kawasaki ZX-10R KA9922-GP19T
    M4 Performance Exhaust

    M4 Exhaust Full Titanium System Black GP19 2016-2020 Kawasaki ZX-10R KA9922-GP19T

    Full Titanium System with Black GP19 Canister All Titanium Tubing GP19 Style Canister Saves 12 lbs Over Stock Stock 95 dB @7,000 RPM   M4 112 dB @7,000 RPM Pre-Installed with Q1 Quiet Insert Comes with M18 and M12 O2 Bung Q3 Stage 2 Quiet Insert Sold Separate...
    $1,566.00
    $1,566.00
  • M4 Exhaust Polished Bolt-Ons SV 1000 2003-2008 SU9632M4 Exhaust Polished Bolt-Ons SV 1000 2003-2008 SU9632
    M4 Performance Exhaust

    M4 Exhaust Polished Bolt-Ons SV 1000 2003-2008 SU9632

    Dual Polished Bolt-On Canisters That Fit All Year Model SV1000’s Great Sound and Increased Performance Easy Installation Typically ship within a few business days *Does not meet emission requirements for street or highway use.
    $624.00
    $624.00
  • M4 Exhaust Titanium Bolt-On 2001-2002 GSXR 1000 SU9536M4 Exhaust Titanium Bolt-On 2001-2002 GSXR 1000 SU9536
    M4 Performance Exhaust

    M4 Exhaust Titanium Bolt-On 2001-2002 GSXR 1000 SU9536

    Typically ship within a few business days 2001-02 Suzuki GSX-R1000 bolt-on system with titanium canister. *Does not meet emission requirements for street or highway use.
    $461.70
    $461.70
  • M4 Exhaust Polished Bolt On 2004-2005 GSXR 750 SU7332M4 Exhaust Polished Bolt On 2004-2005 GSXR 750 SU7332
    M4 Performance Exhaust

    M4 Exhaust Polished Bolt On 2004-2005 GSXR 750 SU7332

    Great sound and increased performance.  Easy installation, you just unbolt the stock and simply bolt ours on. *Does not meet emission requirements for street or highway use. Stage 1 Q5 Quiet Insert Sold SeparateQ4 Stage 2 Quiet Insert Sold Separate
    $323.00
    $323.00
  • M4 Exhaust Titanium Bolt On 2001-2003 GSXR 600 SU6336M4 Exhaust Titanium Bolt On 2001-2003 GSXR 600 SU6336
    M4 Performance Exhaust

    M4 Exhaust Titanium Bolt On 2001-2003 GSXR 600 SU6336

    Typically ship within a few business days Great sound and increased performance. Easy installation, you just unbolt the stock and simply bolt ours on. Stage 1 Q5 Quiet Insert Sold Separate  Q4 Stage 2 Quiet Insert Sold Separate *Does not meet emission requirements for street or highway...
    $461.70
    $461.70
  • M4 Exhaust GP Black Slip On 2006-2020 R6 YA6622M4 Exhaust GP Black Slip On 2006-2020 R6 YA6622
    M4 Performance Exhaust

    M4 Exhaust GP Black Slip On 2006-2020 R6 YA6622

    *Typically ship within a few business days *Does not meet emission requirements for street or highway use. Sweet look for low cost! Makes one horsepower more than stock. For significant horsepower gains a full system is recommended for this particular bike!
    $284.05
    $284.05
  • M4 Exhaust Polished Bolt-On 2003-2004 GSXR 1000 SU9732M4 Exhaust Polished Bolt-On 2003-2004 GSXR 1000 SU9732
    M4 Performance Exhaust

    M4 Exhaust Polished Bolt-On 2003-2004 GSXR 1000 SU9732

    Typically ship within a few business days 2003-04 Suzuki GSX-R1000 bolt-on system with polished canister. *Does not meet emission requirements for street or highway use.
    $324.90
    $324.90
  • M4 Exhaust Polished Bolt-On 2001-2002 GSXR 1000 SU9532M4 Exhaust Polished Bolt-On 2001-2002 GSXR 1000 SU9532
    M4 Performance Exhaust

    M4 Exhaust Polished Bolt-On 2001-2002 GSXR 1000 SU9532

    Typically ship within a few business days 2001-02 Suzuki GSX-R1000 bolt-on system with polished canister. *Does not meet emission requirements for street or highway use.
    $344.85
    $344.85
  • M4 Exhaust Titanium Slip On 2017-2022 SV 650 SU6626M4 Exhaust Titanium Slip On 2017-2022 SV 650 SU6626
    M4 Performance Exhaust

    M4 Exhaust Titanium Slip On 2017-2022 SV 650 SU6626

    Typically ship within a few business days Comes with a Carbon Fiber Heat Guard System Improves Performance and Sound While Drastically Reducing Weight Available dB reducing Inserts: Stage 1 Q5 Stage 2 Q4 (sold separate) Stainless Steel Tubing *Does not meet emission requirements for street or highway use.
    $521.55
    $521.55
  • M4 Exhaust Titanium Slip On 2004-2010 SV 650 SU6616M4 Exhaust Titanium Slip On 2004-2010 SV 650 SU6616
    M4 Performance Exhaust

    M4 Exhaust Titanium Slip On 2004-2010 SV 650 SU6616

    Typically ship within a few business days This Slip-On Requires Cutting of The Stock Exhaust Detailed Instructions Included Noticeable Increase in Performance and Sound Titanium Canister with Carbon Fiber End Cap Available dB Reducing Inserts: Stage 1 Q5 Stage 2 Q4 (sold separate) *Does not meet emission requirements...
    $474.05
    $474.05
  • M4 Exhaust Titanium Bolt On 2004-2005 Suzuki GSX-R750 SU7336M4 Exhaust Titanium Bolt On 2004-2005 Suzuki GSX-R750 SU7336
    M4 Performance Exhaust

    M4 Exhaust Titanium Bolt On 2004-2005 Suzuki GSX-R750 SU7336

    M4 Bolt-On System with Titanium Canister Great sound and increased performance. Easy installation, you just unbolt the stock and simply bolt ours on. Stage 1 Q5 Quiet Insert Sold Separate Q4 Stage 2 Quiet Insert Sold Separate *Does not meet emission requirements for street or highway use.
    $461.00
    $461.00
  • M4 Exhaust Titanium Bolt On 2000-2003 Suzuki GSX-R750 SU7236M4 Exhaust Titanium Bolt On 2000-2003 Suzuki GSX-R750 SU7236
    M4 Performance Exhaust

    M4 Exhaust Titanium Bolt On 2000-2003 Suzuki GSX-R750 SU7236

    M4 Bolt-On System with Titanium Canister Great sound and increased performance. Easy installation, you just unbolt the stock and simply bolt ours on. Stage 1 Q5 Quiet Insert Sold Separate Q4 Stage 2 Quiet Insert Sold Separate  *Does not meet emission requirements for street or highway use.
    $461.00
    $461.00
  • M4 Exhaust Polished Slip On 2017-2023 Suzuki SV650/X SU6622M4 Exhaust Polished Slip On 2017-2023 Suzuki SV650/X SU6622
    M4 Performance Exhaust

    M4 Exhaust Polished Slip On 2017-2023 Suzuki SV650/X SU6622

    Slip-On System with Polished Canister Comes with a Carbon Fiber Heat Guard System Improves Performance and Sound While Drastically Reducing Weight Available dB reducing Inserts: Stage 1 Q5 Stage 2 Q4 (sold separate) Stainless Steel Tubing  *Does not meet emission requirements for street or highway use.
    $462.00
    $462.00
  • M4 Exhaust Titanium Slip On 1999-2002 SV650 SU6516M4 Exhaust Titanium Slip On 1999-2002 SV650 SU6516
    M4 Performance Exhaust

    M4 Exhaust Titanium Slip On 1999-2002 SV650 SU6516

    Slip-On with Titanium Canister 15″ Long Titanium Canister with Carbon Fiber End Cap This slip-on Requires Cutting of The Stock Exhaust Detailed Instructions Included Noticeable Increase in Performance and Sound Available dB Reducing Inserts: Stage 1 Q5 Stage 2 Q4 (sold separate) Does not meet emission requirements for...
    $474.00
    $474.00
  • M4 Exhaust GP19 Black Slip On 2020-2023 Suzuki Katana SU6212-GP19M4 Exhaust GP19 Black Slip On 2020-2023 Suzuki Katana SU6212-GP19
    M4 Performance Exhaust

    M4 Exhaust GP19 Black Slip On 2020-2023 Suzuki Katana SU6212-GP19

    Black GP19 Slip-On Saves 2.6 lbs Compared To Stock Does Not Remove Exhaust Valve No Re-Mapping Required Does Not Remove Catalytic Converter Quiet Insert Compatible Stage 1 Q1 Quiet Insert Sold Separately Q3 Stage 2 Quiet Insert Sold Separately Stainless Steel Ceramic Coated Black Does not meet...
    $349.00
    $349.00
  • M4 Exhaust Full Titanium System w/Black GP19 Canister 2021-2025 Suzuki ZX10R KA9932-GP19TM4 Exhaust Full Titanium System w/Black GP19 Canister 2021-2025 Suzuki ZX10R KA9932-GP19T
    M4 Performance Exhaust

    M4 Exhaust Full Titanium System w/Black GP19 Canister 2021-2025 Suzuki ZX10R KA9932-GP19T

    Full Titanium System with Black GP19 Canister All Titanium Tubing GP19 Style Canister Saves 12 lbs Over Stock Stock 95 dB @7,000 RPM   M4 112 dB @7,000 RPM Pre-Installed with Q1 Quiet Insert Comes with M18 and M12 O2 Bung Q3 Stage 2 Quiet Insert Sold Separate...
    $1,566.00
    $1,566.00
  • M4 Exhaust MC36 Slip-On Carbon Fiber Canister 2015-2023 Suzuki GSX-S750/Z SU7014M4 Exhaust MC36 Slip-On Carbon Fiber Canister 2015-2023 Suzuki GSX-S750/Z SU7014
    M4 Performance Exhaust

    M4 Exhaust MC36 Slip-On Carbon Fiber Canister 2015-2023 Suzuki GSX-S750/Z SU7014

    Slip-On System with MC36 Carbon Fiber Canister Stock weight: 10 lbs  M4 weight: 4.5 lbs Valve Removal: NO Remove CAT: NO Stock: 88dB @5500  M4: 95dB @5500   M4 with Q7 Installed: 92dB @5500 Is Re-mapping Required: NO Is This Unit Quiet Insert Compatible: YES Does...
    $497.00
    $497.00
  • M4 Exhaust Full System Carbon Fiber Canister 2003 Suzuki SV650 SU6674M4 Exhaust Full System Carbon Fiber Canister 2003 Suzuki SV650 SU6674
    M4 Performance Exhaust

    M4 Exhaust Full System Carbon Fiber Canister 2003 Suzuki SV650 SU6674

    Full System with Carbon Canister This System Will Wake Your SV Up! Retains Passenger Foot Peg Assembly In Standard Mount Form Available dB Reducing Inserts: Stage 1 Q5 Stage 2 Q4 (sold separate) Stainless Steel Tubing Does not meet emission requirements for street or highway use.
    $835.00
    $835.00
  • M4 Exhaust RACE Full System Polished Canister 2004-2010 Suzuki SV650 SU6772M4 Exhaust RACE Full System Polished Canister 2004-2010 Suzuki SV650 SU6772
    M4 Performance Exhaust

    M4 Exhaust RACE Full System Polished Canister 2004-2010 Suzuki SV650 SU6772

    Race Full System with Polished Canister Race Full Systems are Designed For Extra Ground Clearance Polished Canister with Carbon Fiber End Cap Eliminates Stock Passenger Foot Peg Assembly M4 Is Known for Having The Best Performance Pipes Available For SV650’s Available dB Reducing Inserts:...
    $793.00
    $793.00

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