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.

• 3.5" Center Inlet/ 3.5" Center Outlet 4.25" x 7.88 Oval x 12" Long Body 17" Overall Length
• Compact size is perfect for applications with limited space
• Un-Notched necks are designed for weld in installation
• Universal muffler. Reversible design.

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.

• Un-Notched necks are designed for weld in installation. If clamping, use 3" wide band clamps 18006.
• 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
• Universal muffler. Reversible design.

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.

• Un-Notched necks are designed for weld in installation. If clamping, use 3" wide band clamps 18006.
• 3" Center Inlet/ 3" Center Outlet 4.25" x 7.88" Oval x 12" Long Body 17" Overall Length
• Compact size is perfect for applications with limited space
• Universal muffler. Reversible design.

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.

• Un-Notched necks are designed for weld in installation. If clamping, use 3" wide band clamp 18004.
• 2.5" Center Inlet/ 2.5" Center Outlet 4.25" x 7.88" Oval x 16" Long Body 21" Overall Length
• Compact size is perfect for applications with limited space
• Universal muffler. Reversible design.

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.

• Un-Notched necks are designed for weld in installation. If clamping, use 3" wide band clamp 18004.
• 2.5" Center Inlet/ 2.5" Center Outlet 4.25" x 7.88" Oval x 12" Long Body 17" Overall Length
• Compact size is perfect for applications with limited space
• Universal muffler. Reversible design.

Compact size is perfect for applications with limited space. Reversible design for installation flexibility. Un-Notched necks are designed for weld in installation. If clamping, use 3" wide band clamp 18004 (clamps not included). 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. Best of all, it's made in the USA and backed by BORLA®'S Million-Mile warranty. Just what you'd expect from the world's most experienced (and most winning) exhaust brand.

• Un-Notched necks are designed for weld in installation. If clamping, use 3" wide band clamps 18004.
• Alternate muffler/ resonator with notched necks is 400497. Use 1" wide band clamps 18325.
• Compact size is perfect for applications with limited space
• Universal. Reversible design.

Transverse Flow design. Transverse flow mufflers were originally designed for GM F-Body Camaros and Firebirds. On these vehicles they were mounted behind the rear axle and were parallel to the axle. This muffler can also be used to create custom systems on other vehicles. Single 2.5" Offset Inlet/ Dual 2.5" Offset Outlets. The inlet and one outlet are on one end of the muffler, and the second outlet is on the opposite end. 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. Best of all, it's made in the USA and backed by Borla(r)'s Million-Mile warranty. Just what you'd expect from the world's most experienced (and most winning) exhaust brand.

• Un-Notched necks are designed for weld in installation. If clamping, use band clamps 18004.
• Transverse flow design, originally designed for F-Body Camaro and Firebirds
• Alternate muffler with Notched necks is 400498, use band clamp 18325
• Universal muffler. Reversible design.

Transverse Flow design. Transverse flow mufflers were originally designed for GM F-Body Camaros and Firebirds. On these vehicles they were mounted behind the rear axle and were parallel to the axle. This muffler can also be used to create custom systems on other vehicles. Single 3" Offset Inlet/ Dual 2.5" Offset Outlets. The inlet and one outlet are on one end of the muffler, and the second outlet is on the opposite end. 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. Best of all, it's made in the USA and backed by Borla(r)'s Million-Mile warranty. Just what you'd expect from the world's most experienced (and most winning) exhaust brand.

• Un-Notched necks are designed for weld in installation. If clamping, use band clamps 18004 & 18006.
• Alternate muffler with Notched necks is 400498, use band clamps 18325 & 18330.
• Transverse flow design, originally designed for F-Body Camaro and Firebirds
• Universal muffler. Reversible design.

Developed for truck applications and other applications that require a long body muffler. This muffler is considered an "S-Type" muffler when compared to the 7.75" diameter x 24" long body Borla(r) Specialty mufflers and used on the same application. Un-notched necks are designed for weld in installation. Alternate muffler with Notched necks is 400130. Use wide band style clamps 18327 (clamps not included). 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. Best of all, it's made in the USA and backed by Borla(r) 's Million-Mile warranty. Just what you'd expect from the world's most experienced (and most winning) exhaust brand.

• Un-notched necks are designed for weld in installation. If clamping, use 3" wide band clamps 18005.
• Long body design works well on SUV and truck applications
• Universal muffler. Reversible design.

Developed for truck applications and other applications that require a long body muffler. This muffler is considered a "Touring" muffler when compared to the 6.75" diameter x 24" Long body Borla(r) Specialty mufflers and used on the same application. Un-notched necks are designed for weld in installation. Alternate muffler with Notched neck is 401662. Use 1" wide band style clamps 18330 (clamps not included). 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. Best of all, it's made in the USA and backed by Borla(r) 's Million-Mile warranty. Just what you'd expect from the world's most experienced (and most winning) exhaust brand.

• Alternate muffler with Notched neck is 401662. Use 1" wide band clamps 18330.
• Long body design works well on SUV and truck applications
• Un-notched necks are designed for weld in installation
• Universal muffler. Reversible design.

Developed for truck applications and other applications that require a long body muffler. This muffler is considered a "Touring" muffler when compared to the 6.75" diameter x 24" Long body Borla(r) Specialty mufflers and used on the same application. Notched necks are designed for clamp in installation using 1" wide band style clamps 18330 (clamps not included). Alternate muffler with Un-Notched neck is 401663. 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. Best of all, it's made in the USA and backed by Borla(r) 's Million-Mile warranty. Just what you'd expect from the world's most experienced (and most winning) exhaust brand.

• Notched necks are designed for clamp in installation. Use 1" wide band clamps 18330.
• Long body design works well on SUV and truck applications
• Alternate muffler with Un-Notched neck is 401663.
• Universal muffler. Reversible design.

XR-1® Sportsman Racing Muffler. 2.5" Center Inlet/ 2.5" Center Outlet 5" Round x 15" Long Body, 20" Overall Length. 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 a good balance of sound and power.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.

• Un-Notched necks are designed for weld in installation. If clamping, use 3" wide band clamp 18004.
• 2.5" Center Inlet/ 2.5" Center Outlet 5" Round x 15" Long Body, 20" Overall Length
• Compact size is perfect for applications with limited space
• Universal muffler. Reversible design.