Quote:
Originally Posted by camshaftgsxr
@smiller (acount suspended?) i've noticed that a stock or low compression engine (also with restrictive exhaust) tends to be quiter than a built motor with the same exhaust.
note: most low comp. tbi trucks with cat back exhausts tend to drone and have a low deadened sound compared to a high comp. motor with a free flowing exhaust
P.S. again this is just something i've noticed over time i have no articles or research to back this up
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you are correct, a engine with a higher comp ratio will always sound better than one with lower comp with the same exhaust.