Apexi NOIR Catback Exhaust - 2006-2011 Honda Civic Si Sedan *Discontinued FR SPORT Rock-Solid Stability: A two-part side

Rock-Solid Stability: A two-part side rail design with a top integrated flange provides a 15x increase in strength

If intending to use with factory shock mounts

HKS Valve Springs 22001-AN002 and HKS Rocker Arm Stoppers 2299-RN005

comparable in many cases to race fuel

Fully Height Adjustable — Customize your ride height for stance or performance

Apexi NOIR Catback Exhaust - 2006-2011 Honda Civic Si Sedan *Discontinued FR SPORT Rock-Solid Stability: A two-part sideThe NOIR Muffler was developed specifically with the diehard street car enthusiast in mind. The NOIR Muffler is designed to be quieter than a typical racing exhaust while minimizing chances of unwanted attention with its stealthy black coating. It has become increasingly difficult to drive a modified sport compact on the streets. Staying low profile is an important issue to many street tuners that wish to stay clear of negative stigma sometimes