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      04-28-2010, 01:13 AM   #10
mixja
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Drives: 2011 E90 DCT Silverstone
Join Date: Jun 2008
Location: Beverly Hils, CA

iTrader: (1)

Turner Test Pipes (basically a primary cat delete):

1. Minimum Drone - no drone whatsoever, sounds like stock inside the car in daily driving, under WOT the exhaust note has a more aggressive tone with a slight rasp (you mentioned no rasp but rasp is very common for exotic cars).

2. Power - power gains feel very similar to Akrapovic, but without the torque dip @ 2500rpm observed with the Akrapovic

3. Exhaust Note - really close to stock, I like the character of the OEM exhaust note, this approach keeps the character with more aggressive note under WOT

4. Price - won't cost you more than $500US