Quote:
Originally Posted by 335ixdrive2009
Thank you all so much! I am 90% sure I'm going with catless down pipes. Do they drone at all? It is safe to run a stage 1 cobb tune with the catless downpipes right?
Thank you again
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you run stage 2 with catless dps. drone depends what you got after the dps and if you are MT or AT.