Tsudo Civic Si 06-11 K20 2/4DR FA5 FG2 Hi-Flow Catylatic Racing Header
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 Cated Racing honeycomb catylatic converter off-road use only
- 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.
- CNC cut flanges and robotic TIG welded.
- 25% lighter than stock OEM civic Headers system.
- 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
Item arrived on time and was same as pictured. Very good sound and I can feel the hp difference especially at the top end. Very happy with purchase and at 300 bucks u can't beat it