Description
Flowmaster 50 Series Heavy Duty Muffler 3.5" Offset Inlet Opposite Side Offset Outlet 111018 This head was designed for WEI7155 This head was designed for the person who wants a cylinder head that could be bolted on a Bracket Drag Car or weekend Oval Track Car and make a significant difference in horsepower and lose weight at the same time 4140 Chrome moly Internals 2008 2009 Chevrolet Silverado 1500 Improved HP TQ and Engine Efficiency