Removes stock exhaust valve and muffler box, but retains stock catalytic converter. Product Info:  Our stock photos shown are of the actual item. Brand new directly from M4 EXHAUST in original packaging. IN STOCK AND READY TO SHIP SAME DAY...

Optional Carbon Fiber Heat Shield Available but Sold Separate  : This system fits both GSX-R600 and GSX-R750 models.  Dyno chart shown is from the GSX-R600. Product Info:  Our stock photos shown are of the actual item. Brand new directly from Honda...

Yoshimura has been working extensively with OE’s and factory racing teams to develop racing-oriented parts that can also benefit the weekend warrior. Because we take racing seriously, we have utilized the most technologically advanced equipment available. Through the use of...

Features: AT2 Matte Carbon Fiber end cap All-new faceted end cap Custom matte carbon fiber heal guard specific to each application Exclusive Yoshimura Works Finish Made in USA RS-12 ADV Matte Carbon Fiber end cap All-new faceted end cap Exclusive...

Features: Trapezoid-shape muffler Maximized internal volume Straight, single core baffle Low-volume sound insert capable Exhaust Street R 77 Slip On Ss Ss Cf Dual Features: Trapezoid-shape muffler Maximized internal volume Straight, single core baffle Low-volume sound insert capable FITS Suzuki...

Features: Oval-shape muffler Maximized internal volume Straight, single core baffle Low-volume sound insert capable Exhaust Street Rs 3 Slip On Ss Cf Dual Features: Oval-shape muffler Maximized internal volume Straight, single core baffle Low-volume sound insert capable FITS Suzuki GSX-R1300...

Yoshimura has been working extensively with OE’s and factory racing teams to develop racing-oriented parts that can also benefit the weekend warrior. Because we take racing seriously, we have utilized the most technologically advanced equipment available. Through the use of...

Features: Oval-shape muffler Maximized internal volume Straight, single core baffle Low-volume sound insert capable Exhaust Street Rs 3 Slip On Ss Ss Dual Features: Oval-shape muffler Maximized internal volume Straight, single core baffle Low-volume sound insert capable FITS Suzuki GSX-R1300...

4" Stainless Steel Slip-On Exhaust - Silver Easily installs after the black factory sound box, Hand TIG welded, Removeable perforated baffle with distinct exhaust tone, Bolts onto stock header, Heat shield included, Slash cut billet end cap, Made in the...

4" Stainless Steel Slip-On Exhaust - Black Easily installs after the black factory sound box, Hand TIG welded, Removeable perforated baffle with distinct exhaust tone, Bolts onto stock header, Heat shield included, Slash cut billet end cap, Made in the...

Features: The latest version of the Powercore 4 design incorporates a hi-flow core which has more surface area to absorb more sound while flowing more exhaust Constructed with an extruded aluminum canister, a stainless steel mid-pipe that is MIG/TIG welded...

Features: The latest version of the Powercore 4 design incorporates a hi-flow core which has more surface area to absorb more sound while flowing more exhaust Constructed with an extruded aluminum canister, a stainless steel mid-pipe that is MIG/TIG welded...

Features: ALL NEW INCORPORATING THE LATEST IN RESONANCE CHAMBER TECHNOLOGY PATENTED CORE SHAPE LOWERS SOUND LEVEL WHILE MAINTAINING MAXIMUM POWER OUTPUT PATENTED CANISTER SHAPE INCREASES INTERNAL VOLUME FOR MORE SOUND ABSORBING MATERIAL PATENTED CHAMBER DESIGN TO ENHANCE AND REFINE EXHAUST...

Features: ALL NEW INCORPORATING THE LATEST IN RESONANCE CHAMBER TECHNOLOGY PATENTED CORE SHAPE LOWERS SOUND LEVEL WHILE MAINTAINING MAXIMUM POWER OUTPUT PATENTED CANISTER SHAPE INCREASES INTERNAL VOLUME FOR MORE SOUND ABSORBING MATERIAL PATENTED CHAMBER DESIGN TO ENHANCE AND REFINE EXHAUST...

Features: ALL NEW INCORPORATING THE LATEST IN RESONANCE CHAMBER TECHNOLOGY PATENTED CORE SHAPE LOWERS SOUND LEVEL WHILE MAINTAINING MAXIMUM POWER OUTPUT PATENTED CANISTER SHAPE INCREASES INTERNAL VOLUME FOR MORE SOUND ABSORBING MATERIAL PATENTED CHAMBER DESIGN TO ENHANCE AND REFINE EXHAUST...

Features: ALL NEW INCORPORATING THE LATEST IN RESONANCE CHAMBER TECHNOLOGY PATENTED CORE SHAPE LOWERS SOUND LEVEL WHILE MAINTAINING MAXIMUM POWER OUTPUT PATENTED CANISTER SHAPE INCREASES INTERNAL VOLUME FOR MORE SOUND ABSORBING MATERIAL PATENTED CHAMBER DESIGN TO ENHANCE AND REFINE EXHAUST...

Features: ALL NEW INCORPORATING THE LATEST IN RESONANCE CHAMBER TECHNOLOGY PATENTED CORE SHAPE LOWERS SOUND LEVEL WHILE MAINTAINING MAXIMUM POWER OUTPUT PATENTED CANISTER SHAPE INCREASES INTERNAL VOLUME FOR MORE SOUND ABSORBING MATERIAL PATENTED CHAMBER DESIGN TO ENHANCE AND REFINE EXHAUST...

Features: ALL NEW INCORPORATING THE LATEST IN RESONANCE CHAMBER TECHNOLOGY PATENTED CORE SHAPE LOWERS SOUND LEVEL WHILE MAINTAINING MAXIMUM POWER OUTPUT PATENTED CANISTER SHAPE INCREASES INTERNAL VOLUME FOR MORE SOUND ABSORBING MATERIAL PATENTED CHAMBER DESIGN TO ENHANCE AND REFINE EXHAUST...

Features: ALL NEW INCORPORATING THE LATEST IN RESONANCE CHAMBER TECHNOLOGY PATENTED CORE SHAPE LOWERS SOUND LEVEL WHILE MAINTAINING MAXIMUM POWER OUTPUT PATENTED CANISTER SHAPE INCREASES INTERNAL VOLUME FOR MORE SOUND ABSORBING MATERIAL PATENTED CHAMBER DESIGN TO ENHANCE AND REFINE EXHAUST...

Features: Constructed of stainless steel with a lightweight allow can Space age internal packing for maximum packing life Hi-Flo modular end cap Internal shape of core uses Hi-Flo technology Enhanced sonic evacuation provides for higher flow and increased power Includes...

Features: Developed over years of championship off-road racing Max sound output 96db; most models below 93db Pounds lighter than stock Use with stock or FMF header Built-in spark arrestor included Easy to repack Not legal for use in California on...

Features: Incorporates internal baffles, chambers and space age sound-absorbing materials to accelerate exhaust flow with less noise and minimal power loss Well under the 96db sound output on most machines to satisfy strict sound requirements U.S. Forestry approved Spark arrestor...

Features: Incorporates internal baffles, chambers and space age sound-absorbing materials to accelerate exhaust flow with less noise and minimal power loss Well under the 96db sound output on most machines to satisfy strict sound requirements U.S. Forestry approved Spark arrestor...

Features: Incorporates internal baffles, chambers and space age sound-absorbing materials to accelerate exhaust flow with less noise and minimal power loss Well under the 96db sound output on most machines to satisfy strict sound requirements U.S. Forestry approved Spark arrestor...