what is the size of the 93 rx7 main
#1
what is the size of the 93 rx7 main
cat pipe that goes to the catback and the downpipe? I need to know if mazda used 2.5 inch's or 2.25 on the they exhaust? btw how do u measure exhaust pipe? I want to custom make my own mid pipe with muffler that reduce db noise level's and Jeg's what I am looking for. thhanks for the info, khris
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