Invidia Q300 Catback Exhaust Civic Si Sedan (2012-2014) Scion If desired you can even

If desired you can even set one side at the "hardest" position and set the other side at the "softest" position to achieve your desired effects

One of the best ways to turn up the power is to turn up the boost with our Alta Supercharge Pulley for your Gen1 MINI Cooper S

Subaru WRX 2006-2014

NOTE: The Alta pulley is not CARB legal and not for sale or street use in CA and CARB states

Invidia Q300 Catback Exhaust Civic Si Sedan (2012-2014) Scion If desired you can evenThe 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