Description
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® 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®’S patented Multi-Core 4 tube design for maximum flow, horsepower, and torque. The Multi-Core portion of XR-1® mufflers flows better than straight tubing. Recommend for high horsepower applications. Reversible design for installation flexibility. T-304 Stainless steel will never rust. 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.
- Universal muffler. Reversible design.
- Designed for applications where a 6.25″ round body can be used
- Will work on a wide range of vehicles
- 3.5″ Center Inlet/ 3.5″ Center Outlet 6.25″ Round x 14″ Long Body 19.75″ Overall Length
- Multi-Core 4 tube internal design
Application Summary:
| Year | Make/Model |
|---|---|
| XR-1? | Multi-Core Racing Muffler For 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. |






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