Quote:
Originally Posted by mike@x-ph.com
Cars with production date up to 08/13 have a flange size of 3.5"
Cars with prod date after 07/13 have a flange size of 4.0"
downpipe flange size have to match OE or else it will not fit
All companies offer both versions
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In this case, all DPs produced for M2s are 4" tapering to 3".
That makes things much simpler. Thanks!
This ties back to the OP. Essentially, these downpipes are all similarly designed and the only difference is price and cat brand/type. Sounds like you can't go wrong with any!