RPM427 - I don't know how they sound as far as quality, but, they advertise that on a chevy truck with a 350, that they produced either 90 or 95 decibals, I can't remember, somewhere around 2500 rpm, I think, at 50 ft away. That is pretty ****ing loud.
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'90 GT Under construction
Best E.T. = Fast @ High Speeds - OK So I Lie. So What!!!  
04 F-150 STX 4.2L 5 spd
Rice Haters Club Member #128
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