XForce Cat Back System (WRX/STi 11-21) whiteline The design is so specialized

The design is so specialized that 3D scanning was used to build a digital model of the chassis to design allowing us to build shapes down to the millimeter

Fully assembled pump in new OE housing for reliability

effectively extracting colder induction air

GTD (TYP 5G)

Install Guide

XForce Cat Back System (WRX/STi 11-21) whiteline The design is so specializedDESCRIPTION XFORCE offers a range of uniquely engineered and designed stainless steel and mild steel bolt on exhaust systems. These exhaust systems bolt directly to existing mounting points making installation easy. They are built to perform well with materials designed for longevity and like all XFORCE exhaust systems they look and sound great! SPECIFICATIONS 304 Stainless Steel Mandrel Bent Pipeworks 3 Center Muffler Splitting to Twin 2. 5 Center