i don't see why it would hurt it. if you don't get tested for emissions i would run with a test pipe instead of a high flow cat. there is a thread in here somewhere on exhaust systems, i'll have to find it and post it
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91 N/A automatic supra;K&N FIPK;2.5" custom exhaust;no cat;pacesetter header;eibach springs;tokico "blues";MKIV TT rims
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