Vibrant Performance Streetpower Muffler - 2-1/2 in Center Inlet - 4 in Round Outlet - 5 x 9 in Oval Body - 23 in Long - Polished - Universal 1042 Digital Water Temperature Gauge They are patterned after the

They are patterned after the 1969-70 Ram Air IV Pontiac cylinder head

Complete with manifold end seals

You can download a copy of the instructions below

Effective to 9

Ford Fullsize Truck 2012-20

Vibrant Performance Streetpower Muffler - 2-1/2 in Center Inlet - 4 in Round Outlet - 5 x 9 in Oval Body - 23 in Long - Polished - Universal 1042 Digital Water Temperature Gauge They are patterned after theVibrant Performance StreetPower mufflers are oval bodied, densely packed with our premium multi layered sound absorption materials, and manufactured from 304 stainless steel for optimum durability and corrosion resistance. Vibrant Performance StreetPower mufflers offer a perfect balance of subtle styling and all out power. They are available in 2. 5 and 3 inlet I. D. diameters, round or oval single outlet tips and dual outlet tips. Densely packed with