The M4 Street Slayer Carbon Slip On Exhaust w/Muffler Box Eliminator (M.B.E) for the 2006-2018 Yamaha R6 gets rid of that bulky muffler box and stock canister, replacing them with a True High Flow Collector and Carbon Canister. Installation of this does require you to cut the stock exhaust, watch the video we have showing Brian Van install this system to see what it takes and get a couple helpful hints. Removing that muffler box results in another 3 horsepower and drops 8.5 lbs! The Street Slayer Canister mounts lower and more forward than the bulky stock canister near the rider footpeg. This results in both a look and sound that is a little lower than the M4 GP Mount Slip On Exhaust.
Available dB reducing muffler inserts: Stage 1 part # Q5 (Installed), Stage 2 part # Q4 (sold separately please contact us to purchase).
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 
M4 Exhaust Installation Instructions
M4 Exhaust Carbon System Componet Key
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.
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| M4 Exhaust Quiet Insert (Db Reducer) |
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| Emissions Notice to Customers in California |
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.
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Fits 2017 Yamaha R6 and sounds LOUD
If you love a deep, throaty, 'poppy' sound...GET THIS EXHAUST. I was stuck between this and TOCE exhaust but after doing research, TOCE exhaust supposedly makes you lose low-end torque. The Yamaha R6s already don't have a lot of low-end torque...so why would I want to make it worse? Plus this M4 exhaust is light!!! 4.7lbs for the combined cat-delete and slip on!! Shaved off ~7lbs!
- Availability:
- STG Part Number:
- M|M4 YA6624-MBE|0
- Manufacturer's Part Number:
- 1
