View Single Post
      08-26-2013, 01:45 PM   #38
Lieutenant Colonel

Drives: 2013 E92 M3; 2010 Z4 35i
Join Date: Apr 2013
Location: San Diego, CA

Posts: 1,880
iTrader: (4)

I realize this is an old thread, but:

How does Akra Evo compare to Akra Slip-On with test pipes?

Will the latter be quieter and less bassy at low RPMs?