Soundcheck - Firebird with Magnaflow mufflers

1978 Pontiac Firebird Formula 400 Dynomax headers 2.5" true duals Mangaflow mufflers

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79 Firebird Magnaflow Exhaust 350 4 Bolt
350 4 bolt main Headers No cats, Magnaflow stainless straight dual exuast





1981 Trans Am - Jegs 2.5 inch exhaust system with flowmaster 40s
1981 TA Jegs 2.5 inch kit without mufflers, bought flowmaster 40s, no cats, stock manifolds. 4.9 liter pontiac motor 301.





1977 Trans Am with Dynomax Super Turbo mufflers
car is a 77TA with 455, cam is XE 274 Comp nothing special haha





Formula 400 new exhaust
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