Borla XR-1 Sportsman Stainless Muffler - 2-1/2 in Center Inlet / Outlet - 5 in Round Body - 20 in Long 20-OTL-NG-LXL Inlet / Outlet Size: 9/16-18

Inlet / Outlet Size: 9/16-18 Female O-Ring (AN 6)

Busch and NASCAR Truck Series chassis

It can replace Holley

The BR1 Top Plate Kit is a replacement top cover plate for the BR1

1969-1990 Pontiac Firebird

Borla XR-1 Sportsman Stainless Muffler - 2-1/2 in Center Inlet / Outlet - 5 in Round Body - 20 in Long 20-OTL-NG-LXL Inlet / Outlet Size: 9/16-18Product Description: Muffler XR 1 Sportsman 2. 5 in Center Inlet 2. 5 in Center Outlet 15 x 5 in Round Body 20 in Long Stainless Natural Universal Borla Performance Industries is the leader in the design and manufacture of stainless steel performance exhaust. Borla is committed to providing world class exhaust products. The top engine builders in the racing world rely on Borla exhaust for maximum performance. Borla is at the forefront of the movement