Borla Shorty 2-3/8in In 4-1/2in Out XR-1 Racing Collector Muffler 40977

BOR XR-1 Mufflers

Exhaust Muffler

Merge Collector And Muffler In A Single Unit

This is THE HOT set up in drag racing. This patented, award and race-winning product was designed to replace your current open header collector and serves as a power producing merge collector and muffler -- all in a single unit.

XR-1 Stainless Collector Muffler.