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M4 has an updated look for the 2017-2018 Honda Grom. The GP Style full system is perfect for the Grom. Great noise level while increasing overall performance.
THIS LISTING IS FOR AN EXHAUST SYSTEM ONLY, YOU DON'T GET THE WHOLE FUCKING MOTORCYCLE!
M4 Exhaust - Additional Information:
The M4 Exhaust Can for this application includes a Stage 1 part # Q1 (Installed). If you would like to reduce the db levels of this system Optional Stage 2 part # Q3 Quiet Inserts are sold separately and are available for purchase from SportbikeTrackGear.com using the link found below.
|M4 Exhaust Quiet Insert (Db Reducer)|
|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.