Honda Civic Si FG 12-15 Acura ILX 13-15 Header Downpipe

The PLM Power Driven K-Series Header Downpipe for 9th Gen Civic FG 2012-2015 and Acura ILX 2013-2015 features a large 4.25" bell mouth design with a 3" outlet. No modifications are needed as it is a direct bolt-on to the OEM cat-back location.

Vehicle Fitment:

• Honda Civic Si FG 2012-2015 (9th generation)

• Acura ILX 2013-2015 

Key Features:

• High flow, 200-cell, metallic core catalytic converter

• Includes gaskets and hardware

• Includes O2 sensor adapter

• CNC machined flanges

• Flanges are .38" thick

• 18 gauge stainless steel

• Large 4.25" bell mouth 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