trans am firebird exhaust flowmaster idling

78 t/a 400 4-speed with headers & flowmaster mufflers.

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Soundcheck - Firebird with Magnaflow mufflers
1978 Pontiac Firebird Formula 400 Dynomax headers 2.5" true duals Mangaflow mufflers





1979 Trans Am, Flowmaster 40 series
1979 Trans AM with Flowmaster 40 series mufflers and Hedman Headers





1970 pontiac firebird flowmaster 40 series 350
1970 pontiac firebird flowmaster 40 series 350





badass 1978 trans am
This is me breakin' in my new motor on my 78 Trans Am.




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