Borla · New
Borla Universal XR-1 Multi-Core Racing Muffler 3.5in Center-Center 14in x 6.25in Round
MPN 401012 · Store SKU bor401012
Supplier stock checked 11/7/2026, 9:03:37 AM UTC. Adding a part does not reserve it.
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Product details
XR-1(r) Multi-Core Racing Muffler. 3.5" Center Inlet/ 3.5" Center Outlet 6.25" Round x 14" Long Body 19.75" Overall Length. Designed for applications where a 6.25" round body can be used and will work on a wide range of vehicles. It features BORLA(r)'S patented Multi-Core 4 tube design for maximum flow, horsepower, and torque. The Multi-Core portion of XR-1(r) mufflers flows better than straight tubing. Recommend for high horsepower applications. Reversible design for installation flexibility. T-304 Stainless steel for superior corrosion resistance. Natural mill finish can be brushed or polished prior to installation. 100% welded construction for strength. High-temperature continuous-filament fiber (CFF) acoustic material for sound control. Best of all, it's made in the USA. Just what you’d expect from the world’s most experienced (and most winning) exhaust brand. XR-1 Multi-Core Racing Muffler Venues Requiring A Muffler - 3.5" Center Inlet/ 3.5" Center Outlet 6.25" Round x 14" Long Body 19.75" Overall Length. Universal Part. Reversible Design. XR-1 Multicore Muffler
Manufacturer fitment & guides
Check 401012 against the manufacturer’s application information below.
Part-specific notes
- California Proposition 65: Y
