Borla 3 -1/2in In/Out x 5in Round x 8in Long - 40004S

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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.

This part fits: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.

Borla 3 -1/2in In/Out x 5in Round x 8in Long XR-1 Sportsman Shorty Racing Muffler. XR-1® Stainless Sportsman Racing Mufflers. XR1 SPORTSMAN SHORTY 3-1/2in. IN. Borla - XR-1 Multi-Core Race. Borla-XR-1 Multi-Core Race. Million Mile Warranty. XR-1 Multi-Core Race. Exhaust Muffler. Muffler

Exhaust systems are a great way to enhance the looks, sounds, and performance of your vehicle.

Changing the muffler on your car is a great way to adjust the back pressure and noise level of your vehicle. your can customize your vehicles performance and sound by replacing the factory muffler with an aftermarket muffler.

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BORLA® PERFORMANCE INDUSTRIES is the pioneer and leader in the design and manufacture of stainless steel performance exhaust. We began four decades ago as a manufacturer of exhaust systems for such "concours classics" as Rolls-Royce and Ferrari cars and have evolved into the premier manufacturer of today's performance vehicles for the street, off-road, and racing. borla exhaustBORLA® is committed to providing world-class exhaust products which surpass the expectations of our customers. To that end, our facility is complete with a state-of-the art test and development center where we are continually improving our manufacturing efficiency and standards. We have pioneered a variety of improvements in the design of performance exhaust systems. Borla currently holds ​many US patents for innovative exhaust system technology, and the company has won numerous "Best New Product" awards in the industry. Every BORLA® Cat-Back™ system, Header and Axle-Back is made from austenitic stainless steel (superior to 409 or aluminized steel) employing mandrel-bent tubing, all-welded construction, and is designed for accurate fit and easy installation. Over ​40 years experience and special merge collector technology provide the ultimate in power and endurance. The performance advantages of a BORLA® are widely recognized. The top engine builders in the racing world rely on BORLA® exhaust for maximum performance. In fact, BORLA® is at the forefront of the movement toward responsible racing with our full line of patented, award and race-winning racing mufflers that not only maintain a race engine's power, but in some instances actually add power. This technology is incorporated into BORLA® exhaust for the street, providing an average increase of 7-10 horsepower and torque when you plant your foot, and improved gas mileage at cruising speeds.