Flowmaster 40 Series Muffler - 2-1/4 in Center Inlet - 2-1/4 in Offset Outlet - 13 x 9-1/2 x 4 in Oval Body - 19 in Long - Black Aluminized 15-NEC-CAB-J Port exits machine profiled to

Port exits machine profiled to 1

premium gaskets and detailed installation instruction sheets

aggressive performance tone and improves exhaust flow

0L O2 EXTENSION AND HARDWARE KIT (REQUIRED FOR INSTALLATION ON ANY 2015 MODEL

1965-1973 Pontiac GTO

Flowmaster 40 Series Muffler - 2-1/4 in Center Inlet - 2-1/4 in Offset Outlet - 13 x 9-1/2 x 4 in Oval Body - 19 in Long - Black Aluminized 15-NEC-CAB-J Port exits machine profiled toUniversal Muffler Some adaptation may be required. Aggressive And Powerful Exterior Exhaust Tone Notable Interior Resonance Excellent Street Strip And Off Road Application No Internal Packing To Blowout The Original Two Chamber Design Premium Flowmaster Quality Product Description: Muffler 40 Series 2 1 4 in Center Inlet 2 1 4 in Offset Outlet 13 x 9 1 2 x 4 in Oval Body 19 in Long Steel Black Aluminized Universal Sold Individually Manufacturer of