Quote:
Originally Posted by kstorm93
The performance is def not the same. I went with the catted DP mostly because I wanted to pass yearly inspections. I got tired of pulling the DP out to pass and having to reinstall. As you might know.. its such a major pain to install. There are some mild performance gains & it does provide a nice sound enhancement. I would say the catted versions are more family friendly than non-cat.
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In hindsight, would you honestly say it's still worth the purchase?
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2011 535i M-Sport - MHD Stage 2+, xHP Stage 3, FMIC, ER Chargepipe, RM Motors catted d/p, Megan Racing Supremo Exhaust