M4 Standard Full Exhaust With Stainless Muffler For Yamaha R3 2015-2017 YA3026 Unpainted
 
Reg:$1,263.00
Sale: $1,136.00 See Details
All M4 systems are designed and intended for closed-course competition use only. Not for sale in California. Emissions Notice to Customers in California The State of California prohibits the offer for sale, sale, or installation of an aftermarket part, which alters or modifies the original design or performance of a motor vehicle's pollution control devices or systems, unless the aftermarket part has first been exempted from the state's anti-tampering laws and been issued an Executive Order (EO) number by the California Air Resource Board (ARB). Legal in California only for racing vehicles...
M4 Standard Full Exhaust With Stainless Muffler For Yamaha R3 2015-2017 YA3026 Unpainted
 
Reg:$864.00
Sale: $777.00 See Details
All M4 systems are designed and intended for closed-course competition use only. Not for sale in California. Emissions Notice to Customers in California The State of California prohibits the offer for sale, sale, or installation of an aftermarket part, which alters or modifies the original design or performance of a motor vehicle's pollution control devices or systems, unless the aftermarket part has first been exempted from the state's anti-tampering laws and been issued an Executive Order (EO) number by the California Air Resource Board (ARB). Legal in California only for racing vehicles...
 
Reg:$698.00
Sale: $628.00 See Details
All M4 systems are designed and intended for closed-course competition use only. Not for sale in California. Emissions Notice to Customers in California The State of California prohibits the offer for sale, sale, or installation of an aftermarket part, which alters or modifies the original design or performance of a motor vehicle's pollution control devices or systems, unless the aftermarket part has first been exempted from the state's anti-tampering laws and been issued an Executive Order (EO) number by the California Air Resource Board (ARB). Legal in California only for racing vehicles...
M4 Standard Full Exhaust With Carbon Muffler For Yamaha R3 2015-2017 YA3024 Unpainted
 
Reg:$698.00
Sale: $628.00 See Details
All M4 systems are designed and intended for closed-course competition use only. Not for sale in California. Emissions Notice to Customers in California The State of California prohibits the offer for sale, sale, or installation of an aftermarket part, which alters or modifies the original design or performance of a motor vehicle's pollution control devices or systems, unless the aftermarket part has first been exempted from the state's anti-tampering laws and been issued an Executive Order (EO) number by the California Air Resource Board (ARB). Legal in California only for racing vehicles...
M4 Standard Full Exhaust With Polished Muffler For Yamaha R3 2015-2017 YA3022 Unpainted
 
Reg:$628.00
Sale: $565.00 See Details
All M4 systems are designed and intended for closed-course competition use only. Not for sale in California. Emissions Notice to Customers in California The State of California prohibits the offer for sale, sale, or installation of an aftermarket part, which alters or modifies the original design or performance of a motor vehicle's pollution control devices or systems, unless the aftermarket part has first been exempted from the state's anti-tampering laws and been issued an Executive Order (EO) number by the California Air Resource Board (ARB). Legal in California only for racing vehicles...
 
Reg:$399.00
Sale: $359.00 See Details
All M4 systems are designed and intended for closed-course competition use only. Not for sale in California. Emissions Notice to Customers in California The State of California prohibits the offer for sale, sale, or installation of an aftermarket part, which alters or modifies the original design or performance of a motor vehicle's pollution control devices or systems, unless the aftermarket part has first been exempted from the state's anti-tampering laws and been issued an Executive Order (EO) number by the California Air Resource Board (ARB). Legal in California only for racing vehicles...
 
Reg:$285.00
Sale: $256.00 See Details
All M4 systems are designed and intended for closed-course competition use only. Not for sale in California. Emissions Notice to Customers in California The State of California prohibits the offer for sale, sale, or installation of an aftermarket part, which alters or modifies the original design or performance of a motor vehicle's pollution control devices or systems, unless the aftermarket part has first been exempted from the state's anti-tampering laws and been issued an Executive Order (EO) number by the California Air Resource Board (ARB). Legal in California only for racing vehicles...
M4 GP Full Exhaust System Black Satin Muffler For Suzuki GSXS1000 2016 SU9222-GP Black
 
Reg:$952.00
Sale: $856.00 See Details
All M4 systems are designed and intended for closed-course competition use only. Not for sale in California. Emissions Notice to Customers in California The State of California prohibits the offer for sale, sale, or installation of an aftermarket part, which alters or modifies the original design or performance of a motor vehicle's pollution control devices or systems, unless the aftermarket part has first been exempted from the state's anti-tampering laws and been issued an Executive Order (EO) number by the California Air Resource Board (ARB). Legal in California only for racing vehicles...
M4 Race Mount Full System Exhaust Titanium For Honda NT650 1988-1991 HO6076 Unpainted
 
Reg:$408.00
Sale: $367.00 See Details
All M4 systems are designed and intended for closed-course competition use only. Not for sale in California. Emissions Notice to Customers in California The State of California prohibits the offer for sale, sale, or installation of an aftermarket part, which alters or modifies the original design or performance of a motor vehicle's pollution control devices or systems, unless the aftermarket part has first been exempted from the state's anti-tampering laws and been issued an Executive Order (EO) number by the California Air Resource Board (ARB). Legal in California only for racing vehicles...
M4 Standard Mount Full System Exhaust Carbon For Honda NT650 1988-1991 HO6054 Unpainted
 
Reg:$439.00
Sale: $395.00 See Details
All M4 systems are designed and intended for closed-course competition use only. Not for sale in California. Emissions Notice to Customers in California The State of California prohibits the offer for sale, sale, or installation of an aftermarket part, which alters or modifies the original design or performance of a motor vehicle's pollution control devices or systems, unless the aftermarket part has first been exempted from the state's anti-tampering laws and been issued an Executive Order (EO) number by the California Air Resource Board (ARB). Legal in California only for racing vehicles...
 
Reg:$362.00
Sale: $325.00 See Details
All M4 systems are designed and intended for closed-course competition use only. Not for sale in California. Emissions Notice to Customers in California The State of California prohibits the offer for sale, sale, or installation of an aftermarket part, which alters or modifies the original design or performance of a motor vehicle's pollution control devices or systems, unless the aftermarket part has first been exempted from the state's anti-tampering laws and been issued an Executive Order (EO) number by the California Air Resource Board (ARB). Legal in California only for racing vehicles...
M4 Race Mount Full System Exhaust Titanium For Honda NT650 1988-1991 HO6076 Unpainted
M4 Race Mount Full System Exhaust Titanium For Honda NT650 1988-1991 HO6076 Unpainted M4 Standard Mount Full System Exhaust Carbon For Honda NT650 1988-1991 HO6054 Unpainted
Reg:$718.00
Sale: $646.00 See Details
All M4 systems are designed and intended for closed-course competition use only. Not for sale in California. Emissions Notice to Customers in California The State of California prohibits the offer for sale, sale, or installation of an aftermarket part, which alters or modifies the original design or performance of a motor vehicle's pollution control devices or systems, unless the aftermarket part has first been exempted from the state's anti-tampering laws and been issued an Executive Order (EO) number by the California Air Resource Board (ARB). Legal in California only for racing vehicles...
M4 Standard Mount Full System Exhaust Carbon For Honda NT650 1988-1991 HO6054 Unpainted
M4 Standard Mount Full System Exhaust Carbon For Honda NT650 1988-1991 HO6054 Unpainted M4 Standard Mount Full System Exhaust Carbon For Honda NT650 1988-1991 HO6054 Unpainted
Reg:$718.00
Sale: $646.00 See Details
All M4 systems are designed and intended for closed-course competition use only. Not for sale in California. Emissions Notice to Customers in California The State of California prohibits the offer for sale, sale, or installation of an aftermarket part, which alters or modifies the original design or performance of a motor vehicle's pollution control devices or systems, unless the aftermarket part has first been exempted from the state's anti-tampering laws and been issued an Executive Order (EO) number by the California Air Resource Board (ARB). Legal in California only for racing vehicles...
M4 Standard Mount Full System Exhaust Polished For Honda NT650 1988-1991 HO6052 Unpainted
M4 Standard Mount Full System Exhaust Polished For Honda NT650 1988-1991 HO6052 Unpainted M4 Standard Mount Full System Exhaust Carbon For Honda NT650 1988-1991 HO6054 Unpainted
Reg:$621.00
Sale: $558.00 See Details
All M4 systems are designed and intended for closed-course competition use only. Not for sale in California. Emissions Notice to Customers in California The State of California prohibits the offer for sale, sale, or installation of an aftermarket part, which alters or modifies the original design or performance of a motor vehicle's pollution control devices or systems, unless the aftermarket part has first been exempted from the state's anti-tampering laws and been issued an Executive Order (EO) number by the California Air Resource Board (ARB). Legal in California only for racing vehicles...
M4 Race Mount Full System Exhaust Titanium For Honda NT650 1988-1991 HO6076 Unpainted
M4 Race Mount Full System Exhaust Titanium For Honda NT650 1988-1991 HO6076 Unpainted M4 Standard Mount Full System Exhaust Carbon For Honda NT650 1988-1991 HO6054 Unpainted
Reg:$702.00
Sale: $631.00 See Details
All M4 systems are designed and intended for closed-course competition use only. Not for sale in California. Emissions Notice to Customers in California The State of California prohibits the offer for sale, sale, or installation of an aftermarket part, which alters or modifies the original design or performance of a motor vehicle's pollution control devices or systems, unless the aftermarket part has first been exempted from the state's anti-tampering laws and been issued an Executive Order (EO) number by the California Air Resource Board (ARB). Legal in California only for racing vehicles...
M4 Standard Mount Full System Exhaust Carbon For Honda NT650 1988-1991 HO6054 Unpainted
M4 Standard Mount Full System Exhaust Carbon For Honda NT650 1988-1991 HO6054 Unpainted M4 Standard Mount Full System Exhaust Carbon For Honda NT650 1988-1991 HO6054 Unpainted
Reg:$702.00
Sale: $631.00 See Details
All M4 systems are designed and intended for closed-course competition use only. Not for sale in California. Emissions Notice to Customers in California The State of California prohibits the offer for sale, sale, or installation of an aftermarket part, which alters or modifies the original design or performance of a motor vehicle's pollution control devices or systems, unless the aftermarket part has first been exempted from the state's anti-tampering laws and been issued an Executive Order (EO) number by the California Air Resource Board (ARB). Legal in California only for racing vehicles...
M4 Standard Mount Full System Exhaust Polished For Honda NT650 1988-1991 HO6052 Unpainted
M4 Standard Mount Full System Exhaust Polished For Honda NT650 1988-1991 HO6052 Unpainted M4 Standard Mount Full System Exhaust Carbon For Honda NT650 1988-1991 HO6054 Unpainted
Reg:$605.00
Sale: $544.00 See Details
All M4 systems are designed and intended for closed-course competition use only. Not for sale in California. Emissions Notice to Customers in California The State of California prohibits the offer for sale, sale, or installation of an aftermarket part, which alters or modifies the original design or performance of a motor vehicle's pollution control devices or systems, unless the aftermarket part has first been exempted from the state's anti-tampering laws and been issued an Executive Order (EO) number by the California Air Resource Board (ARB). Legal in California only for racing vehicles...
 
Reg:$505.00
Sale: $454.00 See Details
All M4 systems are designed and intended for closed-course competition use only. Not for sale in California. Emissions Notice to Customers in California The State of California prohibits the offer for sale, sale, or installation of an aftermarket part, which alters or modifies the original design or performance of a motor vehicle's pollution control devices or systems, unless the aftermarket part has first been exempted from the state's anti-tampering laws and been issued an Executive Order (EO) number by the California Air Resource Board (ARB). Legal in California only for racing vehicles...
 
Reg:$419.00
Sale: $377.00 See Details
All M4 systems are designed and intended for closed-course competition use only. Not for sale in California. Emissions Notice to Customers in California The State of California prohibits the offer for sale, sale, or installation of an aftermarket part, which alters or modifies the original design or performance of a motor vehicle's pollution control devices or systems, unless the aftermarket part has first been exempted from the state's anti-tampering laws and been issued an Executive Order (EO) number by the California Air Resource Board (ARB). Legal in California only for racing vehicles...
M4 Street Slayer Slip-On Exhaust For Yamaha R1 2015-2016 Carbon Fiber YA9944
 
Reg:$857.00
Sale: $771.00 See Details
The ultimate slip on for the new R1. All titanium tubing to eliminate the catalytic converter with M4's MC36 style carbon canister. Removes 14.5 lbs over stock and produces a wicked exhaust note.
M4 GP2 Slip-On Exhaust W/ Cat Converter Eliminator For Yamaha R1 2015-2016
 
Reg:$1,014.00
Sale: $912.00 See Details
This system saves 15lbs over stock. It is the ultimate performance slip-on from M4, lightest weight, best performing, and a true 'GP' racebike look. Quiet inserts are available to personally tune the noise level of your R1.
M4 GP2 Slip-On Exhaust For Yamaha R1 2015-2016 Titanium YA9926-GP
 
Reg:$457.00
Sale: $411.00 See Details
This titanium slip-on mounts to the stock catalytic converter to improve the looks of your R1. Does not remove the cat.
M4 GP2 Slip-On Exhaust For Yamaha R1 2015-2016 Black YA9922GP-CE
 
Reg:$635.00
Sale: $571.00 See Details
All black catalytic converter eliminator with the black GP2 canister is a sweet look for the new R1. This set up saves 12 lbs over stock and greatly improves performance.
M4 Standard Mount Slip-On Exhaust For Yamaha FZ09 2014-2016 Carbon Fiber
 
Reg:$422.00
Sale: $379.00 See Details
M4's carbon fiber slip-on for the FZ09 creates an awesome sound that will give you goose bumps. This slip-on requires cutting of the stock exhaust system. It removes the stock catalytic converter and reduces the weight of the Yamaha by 10lbs. You will also see an increase in performance of 5 horsepower over stock.

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