Yeah, I have seen the plugged cat before (several times) unfortunately, I had to replace it (emissions). I think that the guts may have fallen out lately though, as I noticed the car being a little louder. If I don't look, then I don't know....
Glad you found the issue!
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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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