Invidia Q300 Catback Exhaust Civic Si Coupe (2012-2014) Infiniti - Self-centering dust boot for

- Self-centering dust boot for insured durability

- Spring retainers utilize wraparound spring windows and thicker retainer stampings to provide spring support

Also available with the EWG Up-Pipe package

Agency Power has always engineered products to provide a gain in performance

Subaru Forester XT 2004-2008

Invidia Q300 Catback Exhaust Civic Si Coupe (2012-2014) Infiniti - Self-centering dust boot forThe Invidia Q300 catback exhaust system for the Honda Civic Si sounds as good as it looks. The Q300 features mandrel bent 70mm stainless steel piping and a free flowing oval style sport muffler to provide better exhaust flow for improved performance. Bolting up a Q300 to your K20 will allow your Si's sonorous exhaust note to come through loud and clear when you want it to, without producing harsh or overly loud overtones; the perfect choice for those