Invidia N1 Cat-Back Exhaust for 2006-2011 Civic Si Clock Gauge and extremely efficient at ALL

and extremely efficient at ALL RPM

With the great horsepower capabilities of the twin turbo VR38 engine

You'll notice a significantly louder intake response and gain 9+ HP and 10+ TQ from 2500-8400 RPM and the smooth silicone and carbon fiber caps look much better than the rippled stock pieces

(Not for Evo 7)

STM sells this as a full 10-piece kit or you can buy the bolts

Invidia N1 Cat-Back Exhaust for 2006-2011 Civic Si Clock Gauge and extremely efficient at ALLThe Invidia N1 cat back exhaust systems for the 2006 2011 Honda Civic Si is available for the sedan or coupe models in either 70mm or 76mm polished 304 stainless steel with a burned blue titanium tip. Hangers are designed for an OEM replacement fit and includes all necessary gaskets, hardware and removable silencer. Engineered to produce strong mid to top end power gains, as well as provide an increase in horsepower and torque, reduced back pressure