M4 Exhaust Yamaha MT-03 20-24 Street Slayer Carbon Slip On Exhaust

The M4 Yamaha R3 Street Slayer Carbon Slip On Exhaust is our Number 1 selling exhaust system for the little YZF-R3 because it looks great, sounds great and the price is right! Installing it requires cutting the stock exhaust and it eliminates the catalytic converter which improves both the sound and the performance of the YZF-R3. We have a full install video of Van installing this system on the STG R3, watch it to see exactly what it takes to install this system on your R3. The canister is a carbon fiber shorty that really cleans of the look all new Yamaha. Strong power gains and an 11.5 lbs. weight loss are included at no additional charge. This ships with a pre-installed Q5 quiet insert. There is a Stage-2 Quiet Insert available and sold separate for $56.

Installation of this system requires cutting of the stock exhaust.

M4 Exhaust - Additional Information:

Full Systems - For the ultimate in performance, complete tuned stainless steel systems include all mounting hardware. Optional mounting styles and materials available for select systems.

Bolt On/Slip Ons - These systems utilize the stock header assembly. Bolt on and slip ons replace the stock restricted muffler resulting in better sound and an increase in power.

Headpipe/Collector Assembly - Full systems include tapered and equal length headpipes with true high-flow merge collectors.

Silencer - M4 silencers look as good as they perform. Polished steel, titanium, black satin and carbon fiber silencers are offered to suit your style.

Midpipe - Careful design of the midpipe is necessary to give exhaust gasses optimum flow and improved power characteristics.

M4 Exhaust Dyno Chart

Installation Instructions

The M4 Exhaust Can for this application includes a Stage 1 part # Q5 (Installed). If you would like to reduce the db levels of this system Optional Stage 2 part # Q4 Quiet Inserts are sold separately and are available for purchase from SportbikeTrackGear.com using the link found below.

Important 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 which may never be used, or registered or Licensed for use, upon a highway. Any California Residents who order this M4 Exhaust from Sportbike Track Gear llc agree they are doing so with the intention of using it on a closed course as outlined within the California Notice.