Invidia Q300 Catback Exhaust Titanium Tip Civic Si Coupe (2006-2011) Hyundai Spring Rates: F: 3

Spring Rates: F: 3

full polished piping

single tip exhaust that looks as good as it performs and sounds

Tech springs are designed for those seeking a slightly lowered stance while maintaining ride quality at a reasonable price

and then maximizes airflow at other points to supply the maximum amount of air to the intake manifold

Invidia Q300 Catback Exhaust Titanium Tip Civic Si Coupe (2006-2011) Hyundai Spring Rates: F: 3The 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