Invidia Q300 Catback Exhaust Civic Si Sedan (2006-2011) Nissan Boost is increased in a

Boost is increased in a gradual

- Viton O-Ring Gasket

and they will tell you that the best bang for the buck handling mod you can give your Subaru WRX is a high-performance swaybar

The OEM Subaru part #'s are 41031AA281 & 41031AA290

Replace these worn parts with Whiteline synthetic elastomer bushings that offer long lasting durability for a safer more predictable vehicle

Invidia Q300 Catback Exhaust Civic Si Sedan (2006-2011) Nissan Boost is increased in aThe 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