Fits: Honda Civic Si Coupe Sedan 06-11 K20 motor only
Product Type: FA5 FG2 Stainless 4-2-1 V2 Hi-flow Race Headers
- Equal-Length -Y pipe Design for mid-range power and throttle response.
- Future Hi-Flow Catted Racing honeycomb catalytic converter
- True 4-2-1 design increases max torque and horsepower k20
- Fits stock and any stock-style mid-pipes and catback systems such as Tsudo S2 catback
- Manufactured from 100% stainless steel with silver polished finish.
- T-304 stainless steel will never rust and provides the ultimate durability
- CNC machine mandrel-bent 2.75" outlet for maximum exhaust flow.
- Includes all necessary flanges, bolts, and gaskets for installation. Stock metal header gasket is reused and will provide the best seal.
- Easy bolt-on installation with typical hand tools, no welding or cutting required.
- Civic Si Racing header for off-road or track use only
- Now includes FREE Tsudo CEL Fix, a $30 value.