GReddy 06+ Civic Si Coupe Exhaust Adapter to work on Sedan Models (works only with Greddy Exhausts)
GReddy 06-11 Honda Civic Si 63.5mm Supreme SP Cat-Back Exhaust
aFe Takeda Exhaust Axle-Back 06-11 Honda Civic Si L4 2.0L 2.5in 304 Stainless Steel
BRExhaust 06-11 Honda Civic 2.0L Muffler Kit
Invidia 06-11+ Civic Si 2Dr ONLY 76mm RACING N1 Titanium Tip Cat-back Exhaust
Invidia 06+ Civic Si 2dr ONLY 70mm RACING Titanium Tip Cat-back Exhaust
Invidia 06+ Honda Civic Si Coupe Q300 Titanium Tip Cat-back Exhaust
Invidia 06+ Civic Si 2dr ONLY Q300 Rolled Stainless Steel Tip Exhaust
Injen 06-09 Civic Si Coupe Only 60mm Cat-back Exhaust w/ Titanium Tip
Skunk2 MegaPower RR 06-10 Honda Civic Si (Coupe) 76mm Exhaust System (Factory Bolt On)
Skunk2 MegaPower R 06-08 Honda Civic Si (Coupe) 70mm Exhaust System
