Borla Universal XR-1 Collector Muffler - 2.375in Inlet 4.5in Outlet 20.5in x 6.75in Round 40703
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.