BORLA 40947 XR-1® Sportsman 4" Center-Center 12"x4.5"x7.88" - Racing Muffler ymm_9 The Multi-Core section flows better

The Multi-Core section flows better than straight tubing and offers a reversible design for installation flexibility

Aluminum Hub Drill Bit Size (actual dim

5" diameter into dual 2" Cat-Back system delivers a classic sound without drone inside the vehicle

Cat-Back and Axle-Back exhaust systems use patented straight-through and multi-core technology to increase exhaust velocity and reveal hidden horsepower

Removes rear-most factory muffler to increase departure angle

BORLA 40947 XR-1® Sportsman 4" Center-Center 12"x4.5"x7.88" - Racing Muffler ymm_9 The Multi-Core section flows betterDescription BORLA 40947 XR 1 Sportsman 4" Center Center 12"x4. 5"x7. 88" Racing Muffler The XR 1 Sportsman Racing Muffler features a 4" center inlet and 4" center outlet, with a 4. 25" x 7. 88" oval x 12" long body and a 17" overall length. Its compact size is suitable for applications with limited space. The reversible design allows for flexible installation options. This muffler is constructed from high quality T 304 austenitic stainless steel,