Invidia 06+ Civic Si 4dr Q300 Stainless Steel Cat-back Exhaust (HS06HC4G3S) 1785 this complete performance package is

this complete performance package is the best combination of Porsche 981 Boxster and Porsche Cayman aftermarket exhaust and intake parts available

MAJOR INCREASE IN TORQUE

we determined that the additional few dBs offered by wiring with a relay weren't worth the added headache and potential failure points of a more complex harness using the relay

Stainless-steel

Performance: 30

Invidia 06+ Civic Si 4dr Q300 Stainless Steel Cat-back Exhaust (HS06HC4G3S) 1785 this complete performance package isThe flat bottom shaped muffler design results in improved high speed aerodynamic performance. The muffler inside contains continuous piping design and use of Advantex material that results in an excellent free flow exhaust with optimized back pressure, giving greater horsepower, torque gains and a rich deep sporty sound. This Invidia product is an excellent way to experience the improvement of the performance of your vehicle. Designed with utmost care