High quality austenitic stainless steel. Patented, race-winning XR-1 Raceline technology. 3 options: Offset - Made with the same patented, flow through design as the XR-1 Sportsman oval. The inlet/outlet are offset to the same side of the muffler, to accommodate transmission and frame rail interference on some applications Oval -- BORLAs #1 selling racing muffler. Satisfies the needs of most racing applications because it is the lightest, most compact, and highest flowing racing muffler in its class and at a competitive price. Record-holder Hurley Blakeney has run BORLAs on his AA/AT Ford T-Bird because he loves the quieter driver compartment without giving up any power.Round - Made with the same patented, flow through design as the XR-1 Sportsman Oval. This Muffler is 5 inches in diameter and 15 inches long. Designed for door car/ roadster applications that require a compact round muffler.
Compact size is perfect for applications with limited space. Reversible design for installation flexibility. High-quality T-304 austenitic stainless steel will never rust. 100% welded construction for strength. Free Flow design for improved performance. High-temperature continuous-filament fiber (CFF) acoustic material for sound control. Natural mill finish can be brushed or polished prior to installation. Hands down, BORLA?'s XR-1? raceline parts offer the best balance of sound and power.
T-304 Stainless steel will never rust. 100% welded construction for strength. Free Flow desgin for improved performance. Reversible design for installation flexibility.
XR-1? Sportsman Racing Muffler - 3.5" Center Inlet/ 3.5" Center Outlet 4.25" x 7.88" Oval x 12" Long Body 17" Overall Length. Universal Part. Reversible Design.
Borla XR-1 Racing Sportsman 3.5in. Outlet / 3.5in Inlet Oval Muffler
XR-1® Stainless Sportsman Racing Mufflers
XR-1 Stainless Sportsman Racing Mufflers.
XR1 SPORTSMAN 3-1/2IN 3-1/2OUT
Borla - XR-1 Sportsman Muffl
Borla-XR-1 Sportsman Muffl
Million Mile Warranty
XR-1 Sportsman Muffl
Exhaust Muffler
Muffler
