Muffler - XR-1 Sportsman - 4 in Center Inlet - 4 in Center Outlet - 12 x 4.25 x 7.88 in Oval Body - 17 in Long - Stainless - Natural - Universal - Each

Additional Information

This part is designed and intended for installation in Ancient (Model Year 1974 or earlier), or Competition, or Racing Vehicles. Competition or Racing Vehicles may be operated exclusively in 1) events organized by recognized bodies with authorizing permits for participating drivers. 2) racing event qualification, and 3) practice associated with events. Installation and operation of this part in a non-Ancient street driven Vehicle, including driving Competition or Racing Vehicles to the racetrack, is likely to be considered illegal Tampering or a Defeat Device

XR-1 Sportsman Muffl

XR-1(r) Sportsman Racing Muffler. 4" Center Inlet/ 4" Center Outlet 4.25" x 7.88" Oval x 12" Long Body 17" Overall Length. Compact size is perfect for applications with limited space. Reversible design for installation flexibility. High-quality T-304 austenitic stainless steel for superior corrosion resistance. 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(r)'s XR-1(r) raceline parts offer the best 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.

Additional Information

XR-1 Sportsman Racing Muffler - 4" Center Inlet/ 4" Center Outlet 4.25" x 7.88" Oval x 12" Long Body 17" Overall Length. Universal Part. Reversible Design.

Part Type

Exhaust Muffler

Product Overview

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.

• 4" Center Inlet/ 4" 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.

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Product Details

Reference Information

Muffler, XR-1, 4 in. Inlet/4 in. Outlet, Brushed Stainless Steel, Each

Whether you're drag racing or Circle Track racing, Borla has an XR-1 racing muffler for you. In fact, the 16 in. Shootout mufflers are rated the highest-flowing mufflers on the market.

Features include:
• Straight-through design for maximum flow
• Aircraft-quality T-304 stainless steel construction for reduced weight that will never rust
• All-welded, one-piece design for increased structural integrity
• Stainless steel, sound-absorbing material to protect against burnout