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Eliminate pre-cat sections. Bad idea?
My down pipes leak where they bolt up to the main cat, and are so bad and weak that they are not repairable. My mechanic says that he can bend pipes to replace these sections, mounting the O2 sensors in their original location and eliminating the 2 pre-cats all together. Are there ANY issues with eliminating the pre-cats, performance or bad exhaust note wise? He said he could do it out of 1 7/8" or 2" vs. the 1 3/4" stock. Any recommendations? Thanks!
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