Quote:
Originally Posted by Dav3
Is the equal length piping just the backbox exhaust / catback exhaust up till OPF or are you forced to pair it with the mid-pipe?
I'm confused
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The Milltek version is OPF back or Catback for US cars, doesn't interfere with emissions. The Milltek version equalizes the lengths before the muffler where they merge, other designs on the F80 merge before the muffler. The effect appears to be similar.
Pics on their facebook site -
https://www.facebook.com/Milltek/pho...type=3&theater
https://www.facebook.com/Milltek/pho...type=3&theater