Invidia Q300 Rolled Tip Cat Back Exhaust Honda Civic Si Sedan 2012-2015 | HS12HC4G3S Wheel Width_8 inch Part Number: KCA399

Part Number: KCA399

Lash Type - compatible with standard valve springs

Go Fast Bits in-house testing facilities have measured a return to peak boost up to 30% faster between shifts than most factory systems

tear and cut resistance

All Pro Series throttle bodies are CNC-machined from forged billet 6061-T6 aluminum and hard anodized for maximum durability

Invidia Q300 Rolled Tip Cat Back Exhaust Honda Civic Si Sedan 2012-2015 | HS12HC4G3S Wheel Width_8 inch Part Number: KCA399HS12HC4G3S Fitment Information: 2012 2015 Honda Civic Si SEDAN Features: New gaskets and hardware 304 stainless steel construction 2. 76" Inch piping diameter 4. 33" Inch stainless exhaust tip Resonated mid pipe Exhaust hangers welded onto the OEM locations to make for a direct fitment Notes: Ask yourself: "Do I love the sound of a healthy K series?" Your answer is definitely yes if you're reading this. The Q300 for the 9th gen Civic Si is sweet! 3"