Exhaust looks great and my bike no longer sounds like a sewing machine.
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The M4 Kawasaki Ninja 400 Slip On Exhaust looks great on the bike, installs easy and increases performance enough to notice it when riding. With this system there is a weight savings of 5.65 lbs, (Stock Slip On 9.05 lbs.) vs. (M4 Slip On 3.4 lbs.) which helps to lower the already light weight a bit. Watch our STG Video Install to hear how it sounds as compared to stock and get a closer look at the final result.
|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.