Borla ProXS Muffler - 2-1/2 in Center Inlet - 2-1/2 in Offset Outlet - 14 x 4 x 9-1/2 in Oval Body - 18 in Long - Universal Breather Fittings This heat treatment method produces

This heat treatment method produces a deep case that enhances strength while creating an extremely hard load bearing wear surface

Removes Whistle

1967-1970 Pontiac Executive Base CID 400 Naturally Aspirated GAS

2015-2020 GMC Yukon

and validation

Borla ProXS Muffler - 2-1/2 in Center Inlet - 2-1/2 in Offset Outlet - 14 x 4 x 9-1/2 in Oval Body - 18 in Long - Universal Breather Fittings This heat treatment method producesReversible design for installation flexibility. T 304 Stainless steel will never rust. 100% welded construction for strength. Free Flow design for improved performance. 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