R56 R56 S intercooler muffler delete tube, M7 or Alta?
R56 S intercooler muffler delete tube, M7 or Alta?
Looking at the M7/Alta add pics of their hot-side tubes and they look identical. Alta states 2.25" I.D. & 5ply. Is the M7 the same? Just put on Alta's 3" cat-bac and drop-in filter and now want more air in the other end. No CAI for now. Thanks for any help--DW
PS: The cat-bac REALLY WORKS and doesn't register on the Richter Scale until you floor it!
PS: The cat-bac REALLY WORKS and doesn't register on the Richter Scale until you floor it!
Last edited by Dwight Walhood; May 17, 2009 at 09:50 PM. Reason: Add on
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