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      01-29-2013, 10:02 AM   #103
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Drives: 2012 335i
Join Date: Apr 2008
Location: Lost in NJ

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Originally Posted by nsquared View Post
Can the HFC DP be matted w/ the stock exhaust? If so, how much noticeable sound increase will there be?
I think they said it's an OEM swap, so to speak, so should be doable. If you get the high flow cat, you'll realize the most gains with this mod (usually)'ll hear it, usually, more in the cabin, but like a sexy prrrr (my experience with DP's in other cars).
2012 335i Mineral Gray
M Performance Whore: PPK|Exhaust|Brakes|Performance Suspension Struts & Springs|LSD|Black Kidney Grilles|CF Spoiler and Mirror Caps|Bav Stage 1|400Ms|