Borla 400371 BOR XR-1 Mufflers body-ice-scratchers Nominal friction coefficient 0

Nominal friction coefficient 0

and have evolved beyond their strictly-utility beginnings

095-inch wall DOM tubing

4 metric hex sizes: 17

Borla 400371 BOR XR-1 Mufflers body-ice-scratchers Nominal friction coefficient 0XR 1(r) Multi Core Racing Muffler. 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 and can be used on a wide range of vehicles. It features BORLA(r)'S patented Multi Core 4 tube design for maximum flow, horsepower, and torque. The Multi Core portion of XR 1 mufflers flows better than straight tubing. Recommend for high horsepower applications.