1999 Firebird Firehawk 80 Series Flowmaster
LS1 Firebird. Flowmaster 80 series catback system with the stock manifolds and cats. Not sure why it sounds a little muffled. I'll have to try and get a better video soon.
Flowmasters on my C5 Corvette
Flowmasters Before and After gutting the pre-cats. Stay tuned in a few weeks the long tubes + catless X pipe go on :D
Sound Testing: Flowmasters 8 Hottest Mufflers
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