Discontinued

BOR XR-1 Mufflers

Exhaust Muffler

XR-1? Multicore Shorty Collector Racing Muffler - 2.25" Inlets (4)/ 4" Outlet 6.75" Round x 14" long Body 16" Overall Length. Universal Part.

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.