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The M4 BMW S1000RR Black Satin GP Style slip on exhaust gives the BMW a sweet look while improving performance and sound. The M4 GP Slip On Canister mounts much lower and more forward as compared to the stock exhaust, near the rider footpeg. Enjoy a deep throaty tone from the lower RPM range through the mid-range. Open it up and it screams Moto GP!
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.
If you would like to reduce the db levels of this M4 Exhaust System Optional Stage 1 part # Q1, 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.