Quote:
Originally Posted by 4SECA
I'm getting a 85 DB reading of at 7 feet away from the car at a 45 degree angle . 427 Ford 11.3 to 1 compression ,solid cam, Idle 1100 RPM .
It seems loud or am I wrong?
Thanks
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What kind of car/engine do you have? Guessing that 85 DB is normal for these cars.
The pipes on my Superformance have gotten progressively louder over time. The only thing you can do is look at your options regarding quieter replacement pipes.