Borla XR-1 Multi-Core 3in Ctr-Ctr Oval 16in x 4.25in x 7.88in Rotary Engine Equipped Racing Muffler
Specifications Part numbers, fitment codes and shipping
- Brand
- Borla
- Speedzone SKU
- BOR400371
- Manufacturer part number
- 400371
- UPC
- 808422003711
- Category
- Muffler
- Shipping weight
- 12.1 lb
- Availability
- Special order — not stocked locally
XR-1(r) Multi-Core Racing Muffler. 3" Center Inlet/ 3" Center Outlet 4.25" x 7.88" Oval x 16" Long Body 21" Overall Length. Compact size is perfect for applications with limited space and can be used 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 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 (CRF) acoustic material for sound control. There is no BORLA(r) logo embossment on this part. 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.
- 3" Center Inlet/ 3" Center Outlet 4.25" x 7.88" Oval x 16" Long Body 21" Overall Length
- Universal muffler. Reversible design. No BORLA(r) logo embossement.
- Compact design is perfect for applications with limited space
- Can be used on wide range of vehicles
- Multi-Core 4 tube internal design
Full details on shipping times, returns, warranty and cancellations are on our policy page.
Market conditions after 2020 have changed the landscape of automotive parts. Although we stock thousands of items across multiple warehouses and distribution channels, back-orders are unavoidable in today's market. If you need a product quickly, email, message or call us to check availability so we can explore your options.
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