Civic Si FG 2012+ Downpipe Header
The Power Driven K-Series Header Downpipe for 9th Gen Civic FG 2012+ & Acura ILX features a large 4.25 inch bell mouth design with a 3 inch outlet.
No modifications are needed as it is a direct bolt-on unit to the OEM exhaust cat-back location.
- 2012 - 2015 Honda Civic Si
- 9th Generation Civic FG4
- 2013+ Acura ILX
- Includes gaskets & hardware
- Made of Stainless steel
- One year limited warranty
- Includes O2 sensor adapter - $20 value
- CNC machined manifold flanges
- Flange is .38" thick
- 18 gauge stainless steel.
- Bolts directly to OEM cat-back exhaust
- Large 4.25 inch bellmouth design
- High grade casting on the bell mouth section
- Precision CNC mandrel bend tubing
- Braided flex pipe section with interlock liner
- One Piece Design
- Bungs for OEM O2 sensors
- Additional bung for wideband sensor