Planning on doing a cat delete this week I have an 89 325i is 1.75 the size of the pipes before and after the cat ? I need to know what size pipes I should buy
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Originally posted by skunka View Postmeasure the pipes...
For the OP: Its 1.75"
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Originally posted by horse30 View Postim also thinking of doing a cat delete. are you putting anything in its place or just straight pipes O.P, i have a magnaflow and its already loud..thinking about putting another magnaflow on lol
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