Skip to product information
Borla 3 -1/2in In/Out x 5in Round x 8in Long XR-1 Sportsman Shorty Racing Muffler 40004S
FR SPORT

Borla 3 -1/2in In/Out x 5in Round x 8in Long XR-1 Sportsman Shorty Racing Muffler 40004S

$226.24
Frequently bought together
Free shipping on orders over $150
Hassle-free returns & exchanges
Secure checkout — Shop Pay, Apple Pay & all major cards

Product details

BOR XR-1 Mufflers

Exhaust Muffler

XR-1? Sportsman Racing Muffler - 3.5" Center Inlet/ 3.5" Center Outlet 5" Round x 8" Long Body 13" Overall Length. Universal Part. Reversible Design.

Million Mile Warranty

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.

XR-1 Stainless Sportsman Racing Mufflers.

SKU: 0K8QU

Why customers choose Ride Rite

Tesla & EV specialists

Every part is matched to your exact car — verified fitment, not a generic catalog.

Mobile install across the Bay Area

Skip the shop — our team comes to you for professional installation throughout California.

Free, fast shipping

Orders over $150 ship free and fully tracked, with most parts leaving the warehouse quickly.

Real human support

Talk to actual suspension specialists before and after your purchase — never a call center.