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6L 8 1978 GMC C15 Street Coupe 305/5L 8 1975 - 1978 GMC C15 Sierra Classic 454/7
2L/H4 1986 - 1989 Subaru RX 1
34/8 V 1967 - 1971 Chrysler 300 / 1968 - 1971 Plymouth Fury III Base 4
) Part Number 80629
Designed for carbureted big block Chevy V8 engines
2011-2019 Ram Cat-Back Exhaust Flowmaster Stainless Steel SS-TUBES 6L 8 1978 GMC C15Overview: The new Flowmaster Flow FX cat back exhaust system for the 2011 2019 GM Silverado Sierra 2500 3500 HD trucks with the 6. 0 liter engine is manufactured using durable 409 stainless steel throughout and features 3. 50 inch mandrel bent pipes for better exhaust gas flow, and a Flow FX "straight through" muffler is used for a moderate sound level and maximum performance. Maximum increases on the dyno revealed +21 hp and +23 lb ft at the rear
