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.
Filter
192 results
20
- 10
- 15
- 20
- 25
- 30
- 50
Best selling
- Featured
- Most relevant
- Best selling
- Alphabetically, A-Z
- Alphabetically, Z-A
- Price, low to high
- Price, high to low
- Date, old to new
- Date, new to old
Sort
Sort by:
- Featured
- Most relevant
- Best selling
- Alphabetically, A-Z
- Alphabetically, Z-A
- Price, low to high
- Price, high to low
- Date, old to new
- Date, new to old
-
Vendor:M4 Performance Exhaust
M4 Exhaust Full Titanium System Tech 1 Carbon Fiber 2016-2025 Kawasaki ZX-10R KA9954T
Full Titanium System with Tech1 Carbon Fiber Canister All Titanium Tubing Saves 11 lbs Over Stock +8 Horsepower Between 4,000 and 8,500 RPM Stock 95 dB @7,000 RPM M4 110 dB @7,000 RPM Includes M18 and M12 O2 Bung Compatible with Stock Passenger...- $1,816.00
- $1,816.00
- Unit price
- / per
-
Vendor:M4 Performance Exhaust
M4 Exhaust Street Slayer Titanium Slip On 2008-2010 Kawasaki ZX-10R KA9736
Street Slayer Slip-On with Titanium Canister Titanium shorty slip-on with great looks and sound!! Adds 7 horsepower over stock and removes stock muffler box. Stage 1 Q8 Quiet Insert Sold Separate Q6 Stage 2 Quiet Insert Sold Separate Does not meet emission requirements for street or highway...- $406.00
- $406.00
- Unit price
- / per
-
Vendor:M4 Performance Exhaust
M4 Exhaust GP Black Slip On 2008-2010 Kawasaki ZX-10R KA9722-GP
Slip-On System with Black GP Canister Stainless steel GP style canister ceramic coated black. 7.3 horsepower over stock! Removes stock exhaust valve. Stage 1 quiet insert comes pre-installed while the stage 2 quiet insert is optional. Stage 1 Q1 Quiet Insert Installed Q3 Stage 2 Quiet Insert...- $379.00
- $379.00
- Unit price
- / per
-
Vendor:M4 Performance Exhaust
M4 Exhaust Street Slayer Carbon Slip On 2011-2015 ZX10 KA9924
Typically ship within a few business days Carbon fiber shorty slip-on unit. Great looks and sound. Saves 11 lbs. over stock and produces 3 more horsepower. Stage 1 Q8 Quiet Insert Sold Separate Q6 Stage 2 Quiet Insert Sold Separate *Does not meet emission requirements for street...- $447.45
- $447.45
- Unit price
- / per
-
Vendor:M4 Performance Exhaust
M4 Exhaust Street Slayer Carbon Fiber Slip On 2008-2010 Kawasaki ZX-10R KA9734
Street Slayer Slip-On with Carbon Fiber Canister Carbon fiber shorty slip-on with great looks and sound!! Adds 7 horsepower over stock and removes stock muffler box. Stage 1 Q8 Quiet Insert Sold Separate Q6 Stage 2 Quiet Insert Sold Separate Does not meet emission requirements for street...- $406.00
- $406.00
- Unit price
- / per
-
Vendor:M4 Performance Exhaust
M4 Exhaust MC36 Carbon Fiber Slip On 2012-2025 ZX14 KA9424
Typically ship within a few business days *Does not meet emission requirements for street or highway use. Dual angular carbon canisters in the sleek MC-36 style. These slip-ons transform the look of your ZX-14 while also improving performance. 304 Stainless Steel Tubing- $886.35
- $886.35
- Unit price
- / per
-
Vendor:M4 Performance Exhaust
M4 Exhaust Titanium Bolt-On 2003-2004 GSXR 1000 SU9736
Typically ship within a few business days 2003-04 Suzuki GSX-R1000 bolt-on system with titanium canister. *Does not meet emission requirements for street or highway use.- $461.70
- $461.70
- Unit price
- / per
-
Vendor:M4 Performance Exhaust
M4 Exhaust Polished Slip On 1999-2002 SV 650 SU6512
Typically ship within a few business days 15″ Long Polished 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...- $352.45
- $352.45
- Unit price
- / per
-
Vendor:M4 Performance Exhaust
M4 Exhaust Polished Bolt On 2001-2003 GSXR 600 SU6332
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...- $324.90
- $324.90
- Unit price
- / per
-
Vendor:M4 Performance Exhaust
M4 Exhaust Polished Bolt-On 2004-2005 Suzuki GSX-R600 SU6432
Bolt-On System with Polished 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.- $323.00
- $323.00
- Unit price
- / per
-
Vendor:M4 Performance Exhaust
M4 Exhaust Titanium Bolt On 2004-2005 Suzuki GSX-R600 SU6436
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
- Unit price
- / per
-
Vendor:M4 Performance Exhaust
M4 Exhaust Street Slayer Titanium Slip On 2008-2016 CBR1000RR HO8836
Typically ship within a few business days The Street Slayer slip-on is a hot look for the CBR1000RR. This system boosts power while giving your bike a richer sound, without being too loud. Stainless Steel Tubing Titanium Canister with Carbon Fiber End Cap Stage...- $569.05
- $569.05
- Unit price
- / per
-
Vendor:M4 Performance Exhaust
M4 Exhaust GP Black Slip On 2011-2015 ZX10 KA9912-GP
Typically ship within a few business days The black GP slip-on comes pre-installed with a Stage 1 Quiet insert, but also available for purchase is the Stage 2 Quiet insert. Stage 1 Q1 Quiet Insert Installed Q3 Stage 2 Quiet Insert Sold Separate Stainless Steel Tubing *Does...- $394.25
- $394.25
- Unit price
- / per
-
Vendor:M4 Performance Exhaust
M4 Exhaust GP Black Slip On 2007-2008 GSXR1000 SU9822-GP
Ceramic Coated GP Canister Available dB reducing inserts: Stage 1 Q1 (Installed) *Does not meet emission requirements for street or highway use.- $379.05
- $379.05
- Unit price
- / per
-
Vendor:M4 Performance Exhaust
M4 Exhaust Titanium Bolt-Ons 1999-2003 TL-R SU9336
Typically ship within a few business days Dual Titanium Bolt-On Canisters Great Sound and Increased Performance Easy Installation Available dB Reducing Inserts (2 required): Stage 1 Q5 and Stage 2 Q4 (sold separate) *Does not meet emission requirements for street or highway use.- $906.30
- $906.30
- Unit price
- / per
-
Vendor:M4 Performance Exhaust
M4 Exhaust Titanium Half System with Tech 1 Carbon Fiber ZX10R 2021-2025 KA9974
Utilizes Kawasaki’s Titanium Header Assembly to Essentially Create a Full Titanium Race System 10.2 lbs Weight Savings Removes Stock Exhaust Valve Titanium CAT Eliminator Slip-On Tube Compatible with Stock Passenger Foot Peg or Supplied Race Bracket Comes with M18 O2 Bung Stock dB/ RPM: 95...- $767.60
- $767.60
- Unit price
- / per
-
Vendor:M4 Performance Exhaust
M4 Exhaust Polished Bolt-Ons 1999-2003 TL-R SU9332
Typically ship within a few business days Dual Polished Bolt-On Canisters Great Sound and Increased Performance Easy Installation Available dB Reducing Inserts (2 required): Stage 1 Q5 and Stage 2 Q4 (sold separate) *Does not meet emission requirements for street or highway use.- $624.15
- $624.15
- Unit price
- / per
-
Vendor:M4 Performance Exhaust
M4 Exhaust Full Titanium System Street Slayer Carbon 2017-2025 GSXR1000 gsxr 1000 SU9164T
*Does not meet emission requirements for street or highway use. All Titanium Tubing Removes Catalytic Converter and SET Valve Stock 93dB @ 7,000 RPM/ M4 dB 108 @ 7,000 RPM Saves 14.1 lbs Over Stock System Includes M18 and M12 O2 Bungs Stock Max...- $1,614.05
- $1,614.05
- Unit price
- / per
-
Vendor:M4 Performance Exhaust
M4 Exhaust Full Titanium System Tech 1 Carbon 2017-2025 GSXR1000 gsxr 1000 SU9154T
Typically ship within a few business days *Does not meet emission requirements for street or highway use. All Titanium Tubing Carbon Fiber Tech1 Canister Removes Catalytic Converter and SET Valve Stock 93db @ 7,000 RPM/ M4 111db @ 7,000 RPM Saves 13 lbs Over...- $1,899.05
- $1,899.05
- Unit price
- / per
-
Vendor:M4 Performance Exhaust
M4 Exhaust RACE Full System Carbon Fiber Canister 2004-2010 SV 650 SU6774
Typically ship within a few business days Race Full Systems are Designed For Extra Ground Clearance Eliminates Stock Passenger Foot Peg Assembly M4 Is Known for Having The Best Performance Pipes Available For SV650’s Available dB Reducing Inserts: Stage 1 Q5 and Stage 2 Q4 (sold separate) Stainless...- $834.10
- $834.10
- Unit price
- / per























