Flowmaster Hushpower 12" Muffler 2" #12012409 1822330 Its high film strength helps

Its high film strength helps to dramatically reduce heat and wear

Stainless material with fully welded seams

2 pcs 3/8" spark plug sockets hex: 16 mm (5/8")

Cutting edge diameter : 5

Flowmaster Hushpower 12" Muffler 2" #12012409 1822330 Its high film strength helpsThese Hushpower II mufflers from Flowmaster are designed for use with street rods, customs, and sport trucks. They feature stainless steel construction with an internal, layered laminar jet engine gas flow design that uses guided sound control with broadband sound cancellation for a mellow '50s tone. These mufflers support up to 400 HP, while delivering outstanding looks, durability, and sound control. Case Shape: Oval Inlet Diameter (in): 2. 000 in.