This is a really good idea. Maybe I can sneak into work on a weekend and get accurate readings on two exhaust systems (one of which is Racing Beat). Unfortunately, the data would be more accurately comparable if we all used the same measurement system. Probably IPhone is easiest (although I don't have one, I have many friends that do).
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1986 GXL ('87 4-port NA - Haltech E8, LS2 Coils. Defined Autoworks Headers, Dual 2.5" Exhaust (Dual Superflow, dBX mufflers)
1991 Coupe (KYB AGX Shocks, Eibach lowering springs, RB exhaust, Stock and Automatic)
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