The M4 2023 and up Kawasaki ZX-4RR stainless steel full system with carbon fiber X96 canister saves 7.6lbs compared to OEM, includes a race bracket or allows you to use the passenger pegs and offers a M18 O2 Bung for Use with Aftermarket Fuel Controllers.
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 system Optional Stage 1 part # Q8 and Stage 2 part # Q6 Quiet Inserts are sold separately and are available for purchase from SportbikeTrackGear.com using the link found below.