Fits: Honda Civic Si 2006-11
Style: 4-2-1 Header Manifold 44/54/70mm
The 4-2-1 Header Manifold is a state-of-art product from Invidia. The system features T-304 stainless tubing for durability. Whether you are a weekend warrior on the track, or Daily driven; This is the prefect performance upgrades for your 06-11 Honda Civic Si. All Invidia Headers exhaust are engineered to deliver the max horse power gain and tuned for best deep throttle sounds.
Invidia Exhaust System Features