Borla XR-1 Single-Tip Cat Back Exhaust Subaru WRX / STI 2002-2007 vendor_Prosport installation grease and instructions are

installation grease and instructions are included in each Whiteline swaybar kit for your WRX

All Whiteline sway bars are constructed from solid steel and come in "Silver Sparkle II" metallic powder coat color

good heat tolerance

grip can be biased towards the front end of the car

Brian Crower produces first-rate cams at affordable prices

Borla XR-1 Single-Tip Cat Back Exhaust Subaru WRX / STI 2002-2007 vendor_Prosport installation grease and instructions arePart #: 140075 The Borla XR 1 Single Tip Catback Exhaust for the WRX and STI features 3in piping with Borla's patented XR 1 multi core muffer for optimal flow. This system does not use a resonator like the Hush, so it has a deep, powerful tone. The section of the catback that bolts to the downpipe is slip fit, and can be replaced with the 3in adapter for future upgradability. The downpipe section Borla includes will bolt perfectly to your stock