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M4 Yamaha YZF-R1 15-21 Black RM1 Slip On Exhaust

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$371.00 $352.00
(You save $19.00)
STG SKU:
M|M4 YA9942|0

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The M4 2015 and up Yamaha R1 RM1 Black Slip On mounts to the stock catalytic converter to improve the looks of your R1. As we have come to expect with M4 the exhaust note is nothing short of wicked! The RM1 Exhaust Canister looks great mounted to the OEM headers. This set up will improve performance and unleash the wicked note hidden inside that cross plane 1000cc engine!

Note: Installation of this system eliminates the catalytic converter. This system is intended for closed course use. M4 Recommends re-flashing your stock ECU to unleash the full potential of all M4 products on the 2015 and up Yamaha R1.

304 Stainless Steel with Black Ceramic Coat and Carbon Fiber End Cap. To clean up the look of your R1 check out the optional M4 Carbon Fiber Heat Shield for the 2015 and up Yamaha R1.

If you would like to reduce the db levels of this system Optional Stage 2 part # Q7 Quiet Inserts is sold separately and is available for purchase from SportbikeTrackGear.com using the link found below.

M4 Exhaust Quiet Insert (Db Reducer)

M4 Exhaust Quiet Insert (Db Reducer)

Emissions Notice to Customers in California

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.