Quote:
Originally Posted by Shaq in the Ozarks
Novice question
What does GPF vehicle stand for ?
Starting to build the mods for a 2017 M240xi
Want it neighbor/ hospital friendly And then want it to sound great out on the back roads
Considering mating a catted down pipe to a BMW performance exhaust
Thanks
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Once you disable the cold start (any tune can do this) noise isn't much of a problem from the DP. It adds some sound/volume but not at puttering through the neighborhood