Stock LS1 with Flowmaster

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

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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.





Camaro Z28 LS1 Hooker Muffler driving over camera
1998 Chevrolet Camaro Z28 Soundcheck with Hooker Muffler





2000 z28 camaro stock with flowmaster exhaust.
i just got this z28 a couple weeks ago, it has a completely stock ls1. all i have on it performance wise is flow master Exhaust. it sounds pretty good (better in person) but im just leaving them on here until i can afford the full slp loudmouth Exhaust setup.!!





SLP Loudmouth 1 vs Stock Exhaust LS1
My 99 z28 I had for two weeks. Bought it completely bone stock, put an SLP LM Exhaust on it.. sounded amazing. Highly recommend it, definitely picked up power too. Only $400 is a steal too for a great flowing catback Again this is a BONE stock car aside from the Exhaust.. No headers, no y-pipe, cats still there. First part of vid is stock Exhaust for comparison




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