The New Kawasaki ZX-10R M4 GP Mount Slip On Exhaust is available in both titanium and black ceramic coated version. The titanium version will include a titanium canister with titanium eliminator pipe. The black ceramimic version includes a stainless steel catalytic converter eliminator pipe. M4’s GP Mount Exhaust offers killer looks and sound that take the all new ZX10 to the next level. Weight Savings: 10.9 lbs Valve Removal: YES Remove Cat. Converter: YES Come with O2 bung?: YES/M18 Stock DB/RPM: 95/7,000 M4 DB/ RPM: 112/7,000 Stock Max HP/RPM: 170.4/11,800 M4 Max HP/RPM: 172.7/11,800 Come with Quiet insert: YES/Q1 Stage 2 quiet insert (Q3) sold separate 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. The M4 Exhaust Can for this application includes a Stage 1 part # Q1 (Installed).