Borla Universal XR-1 Multi-Core Racing Muffler for Round 2-1/4in In 4in Out 20-1/2in x 6-3/4in 40728

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.