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Tech Talk Technical Discussion About The Nissan 240SX and Nissan Z Cars |
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#15 |
Zilvia Junkie
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Are we talking 3inch cat back? because doing a 3inch cat back probably would be fine because you still have restrictive piping.
I'm runing a 4 into 1 header straight to 2.5inch piping with no cat. back to a non restricting muffler. Now 4 into 1 header wtih 3inch back from there would probably not be so smart. I dont think the race guys even use 3inch.
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