Borla XR-1 Stainless Racing Sportsman Round Muffler - Inlet: 3-1/2" - Outlet: 3-1/2" - Case Dimensions: 15" L x 5" Diameter 2010417 Compatible with late model GM

Compatible with late model GM computer controlled remote mount HEI systems

6" stroke with 3 valve on compression and rebound

1984-1986 Pontiac Bonneville

2017-2018 Dodge Grand Caravan SE

PB15 Series 1966

Borla XR-1 Stainless Racing Sportsman Round Muffler - Inlet: 3-1/2" - Outlet: 3-1/2" - Case Dimensions: 15" L x 5" Diameter 2010417 Compatible with late model GMT 304 Stainless steel will never rust. 100% welded construction for strength. Free Flow design for improved performance. Reversible design for installation flexibility. Borla is the pioneer and leader in the design and manufacture of stainless steel performance exhaust. We began two 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