Thread: downpipes
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      04-24-2014, 07:03 AM   #7
Rob NY
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Drives: M5
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Quote:
Originally Posted by flx5m View Post
i wonder if there is a lot of difference in hearing the turbo spool in a non catted vs a race catted down pipe?
There is a small difference, I had catless before and the only reason I took them off and went with race cats was the gas smell other wise I would of loved to keep catless.... Good luck with your choice.
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