M4 Yamaha YZF-R1 09-14 Exhaust Catalytic Converter Eliminator
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Cat eliminator mid-pipe: Saves 10.6 lbs! Weights 2.65 vs. 13.25 lbs. NOTE: This listing if for the mid pipe ONLY, the Hotbodies Racing Yamaha R1 2015-2019 MGP Slip On is sold separately.
Note: Installation of this system eliminates the catalytic converter. This system is intended for closed course use. Hotbodies recommends remapping to get the maximum benefit from this modification.
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.