Invidia Q300 Rolled Tip Cat Back Exhaust 2012+ Honda Civic Si Sedan | HS12HC4G3S Featured Products Verify valve cover and ignition

Verify valve cover and ignition setup compatibility before purchase

Helps reduce engine bay and oil temperatures

Bull Boost Performance Billet Forward Facing Intake Manifold – Toyota 2JZ-GE (90mm Throttle Body)

no guessing

6L actually makes use of timing and fuel the way it should

Invidia Q300 Rolled Tip Cat Back Exhaust 2012+ Honda Civic Si Sedan | HS12HC4G3S Featured Products Verify valve cover and ignitionThe Invidia Q300 Stainless Steel 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 K24 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