Stock LS1 with Flowmaster

Stock Ls1 with flowmaster muffler. Revs up to about 4500rpm

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2000 Ls1 Trans Am Flowmaster
This is a Stock Trans Am with Flowmaster Muffler





100% stock LS1
from G10





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.





35-85mph Stock LS1 Trans am
Stock LS1 automatic.




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