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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Vendor:M4 Performance Exhaust
M4 Exhaust MC36 Carbon Fiber Slip On 2011-2025 GSXR600/750 SU6114
Stainless Steel Tubing Quiet Inserts Available: Q7 Sold Separate Optional Carbon Fiber Heat Shield Available but Sold Separate Note: This system fits both GSX-R600 and 750 models. Typically ship within a few business days *Does not meet emission requirements for street or highway use.- $530.10
- $530.10
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Vendor:M4 Performance Exhaust
M4 Exhaust Full System Titanium Muffler 2021 - 2025 R7 YA6816
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
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Vendor:M4 Performance Exhaust
M4 Exhaust Full System X-96 Carbon Fiber Ninja 400/500/Z400 2018-2026 KA4024
X96 Carbon Fiber Canister Saves 5lbs Over Stock Compatible With Stock Passenger Foot Peg or Supplied Race Bracket and Brake Reservoir Relocation Bracket M18 O2 Bung For Use with Aftermarket Fuel Controllers Stock dB is 87 @6,000 RPM M4 dB is 99 @6,000 RPM...- $747.65
- $747.65
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Vendor:M4 Performance Exhaust
M4 Exhaust Stainless Steel Universal Header Kit 2020-2026 BMW S1000RR BM9100
Universal Header Kit 304 Stainless Steel Racing Header Assembly Fits Stock Canister, M4 Slip-On’s or Most Aftermarket Slip-On’s Saves 12lbs Over Stock Big Time Performance Gains Equal to or Greater Than Other Top Exhaust Brands Features 3 Scavenging Equalizer Tubes Comes with 4, 18mm...- $844.00
- $844.00
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Vendor: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
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Vendor:M4 Performance Exhaust
M4 Exhaust GP Black Slip On 2017-2026 Honda CBR1000RR HO8922-GP
Black GP Slip-On Saves 3.8 lbs Over Stock System Ceramic Coated GP Canister Stainless Steel Removes Stock Exhaust Valve Retains Stock Catalytic Converter Stock 93dB @ 6,500 RPM/ M4 107dB @ 6,500 RPM Comes Pre-Installed with Q1 Quiet Insert Q3 Stage 2 Quiet Insert Sold Separate Does...- $350.00
- $350.00
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Vendor:M4 Performance Exhaust
M4 Exhaust Full System Titanium Midpipe MC36 Carbon Fiber 2011-2025 GSXR600/750 SU6124MT
Typically ship within a few business days Stainless Steel Headers with Titanium Midpipe Carbon Fiber Tech1 Canister Quiet Inserts Available: Sold Separate Compatible With Stock Passenger Foot Peg or Supplied Race Bracket Note: This system fits both GSX-R600 and 750 models. Dyno chart shown is from...- $1,234.05
- $1,234.05
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Vendor:M4 Performance Exhaust
M4 Exhaust Full System Titanium Midpipe Tech 1 Carbon 2017-2025 GSXR1000 gsxr 1000 SU9154MT
Typically ship within a few business days *Does not meet emission requirements for street or highway use. 304 Stainless Steel Headers Titanium Mid-Pipe Carbon Fiber Tech1 Canister Removes Catalytic Converter and SET Valve Stock 93db @ 7,000 RPM/ M4 111db @ 7,000 RPM Saves...- $1,301.50
- $1,301.50
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Vendor:M4 Performance Exhaust
M4 Exhaust Black Retro-Drag Slip Ons 2012-2026 ZX14 KA9422
*Does not meet emission requirements for street or highway use. Dual black satin canisters in the super hot GP style. These slip-ons transform the look of your ZX-14 while also improving performance. Saves 20 lbs over stock! 304 Stainless Steel Tubing Quiet Inserts (2)...- $631.75
- $631.75
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Vendor:M4 Performance Exhaust
M4 Exhaust Carbon Slip On 1999-2002 SV 650 SU6514
Typically ship within a few business days 15″ Long Carbon Fiber Canister 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 street...- $474.05
- $474.05
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Vendor: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
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Vendor:M4 Performance Exhaust
M4 Exhaust Full System Carbon Fiber Canister 2015-2026 Yamaha R3/MT-03 YA3024
Full System with Carbon Fiber Canister M4 has gone to great lengths to make sure the pipe for the R3 is better than the competition. We are confident this system will give you the most power possible from any aftermarket pipes available. Comes with...- $740.00
- $740.00
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Vendor:M4 Performance Exhaust
M4 Exhaust Carbon Fiber Slip On 2016-2026 Honda CBR500 HO5034
Slip-On with Carbon Fiber 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...- $465.00
- $465.00
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Vendor:M4 Performance Exhaust
M4 Exhaust Carbon Fiber Slip On 2016-2021 Yamaha XSR700 YA6714
Slip-On with Carbon Fiber Canister M4’s carbon fiber slip-on will make the 2015-2020 FZ-07/MT-07, 2016-2021 XSR700 come alive. This slip-on requires cutting of the stock exhaust system. It removes the stock catalytic converter and reduces the weight of the FZ-07/MT-07/XSR700 by 8.5lbs. You will...- $474.00
- $474.00
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Vendor:M4 Performance Exhaust
M4 Exhaust Q1 Quiet Insert
Q1 stage 1 quiet Insert adds a level of sound dampening.- $45.00
- $45.00
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Vendor:M4 Performance Exhaust
M4 Exhaust slip-on with X96 carbon fiber canister and carbon fiber heat guard 2023- 2026 Kawasaki ZX-4RR KA4414
Slip-On With X96 Carbon Canister X96 Carbon Fiber Canister Saves 5lbs Compared to Stock Retains Stock Catalytic Converter Stage 1 Q8 Quiet Insert Compatible, but Sold Separate Q6 Stage 2 Quiet Insert Compatible, but Sold Separate Carbon Fiber Heat Guard Increases Performance Does not meet emission requirements...- $559.00
- $559.00
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Vendor:M4 Performance Exhaust
M4 Exhaust full system with Street Slayer carbon fiber X96 canister 2023- 2026 Kawasaki ZX-4RR KA4434
Full Stainless Steel exhaust system With Street Slayer X96 Carbon Fiber Canister Street Slayer X96 Carbon Fiber Canister Saves 8.8lbs Compared to Stock M18 O2 Bung For Use with Aftermarket Fuel Controllers Does not meet emission requirements for street or highway use.- $1,139.00
- $1,139.00
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Vendor:M4 Performance Exhaust
M4 Exhaust Universal Catalytic Converter Eliminator Tube 2021-2026 Kawasaki ZX-10R CE-KAZX10R-21SS
Universal Catalytic Converter Removal Tube Will Fit Up To The Stock Muffler or Most Aftermarket Slip-On’s That Do Not Remove CAT Stainless Steel Tubing Does not meet emission requirements for street or highway use.- $190.00
- $190.00
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Vendor:M4 Performance Exhaust
M4 Exhaust X-Model Carbon Fiber Slip On 2017-2024 FZ-10 / MT-10 YA6924
Typically ship within a few business days M4 feels this is the perfect slip-on as it gives great styling, performance and sound to the FZ-10/MT-10. Pre-installed quiet insert Q7 Saves 12 lbs Over Stock System Removes Stock Exhaust Valve and Catalytic Converter 100 dB @...- $673.55
- $673.55
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Vendor:M4 Performance Exhaust
M4 Exhaust Undertail Carbon Fiber Slip Ons 2007-2008 R1 YA9724
Typically ship within a few business days 304 Stainless Steel Tubing Retains Stock Catalytic Converter Stage 1 Q8 (2 required) Quiet Inserts Sold Separate Q6 Stage 2 (2 required) Quiet Inserts Sold Separate *Does not meet emission requirements for street or highway use.- $917.70
- $917.70
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