Thrush Welded muffler SPL test With Pontiac 406
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Great tempest. I put these on my 79 trans am myself but with a stock 403 and low compression when i step on it i just get a crappy drown that doesnt really louden as i excellerate. I bet when you open it up down the road yours SCREAMS, mine just sounds like flowmaster 40s series mufflers on a stock 305 tbi chevy in a chevy k5 blazer. It kinda sucks but the idle sound with these are amazing
Dhoylandrules84 1 year ago
Thanks!!!!! Don't sell the Olds short!!! My compression is 8.2!!!!!!!!!!!!! You really do NOT need crazy high compression to make it sound good. Look at the exhaust and see what can be made different. Mufflers and the pipe size are matched nicely to my ride. Lets see some vids!!!
Thanks again.!!!
Dave
1967tempest 1 year ago