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

- Self-centering dust boot for insured durability

The reconfiguration of the flex pipe on the Performance Downpipe ensures that stress goes where it should

If you're installing a smaller supercharger pulley you will need a smaller belt to reduce the slack and allow the belt tensioner to work properly

and replaces the resonator with a straight pipe section for a more aggressive tone (and a more aggressive price to boot)

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

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