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2010 2011 BMW 5 Series Forum F10
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05-15-2014, 01:23 PM | #1 |
Colonel
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AR Catted Down Pipes with Resonators
Need to go with Cattless for more power i can just gut these out but thing its a waste destroying the catts... Or a direct trade for catless down pipes Original price is $1800 with resonators. ![]()
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2011 550i RWD 60-130 7.35
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05-16-2014, 05:51 PM | #2 |
Private First Class
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GLWS - You should check out active autowerkes downpipes.
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Black Sapphire 550i | HRE P40SC | H&R Springs | Active Autowerke's Exhaust & Downpipes | BMS Stage 1 | M5 Sway bar | V1
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05-18-2014, 06:34 AM | #5 |
Colonel
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No sorry didn't do any dynos.. but i did run at the track... 1st week i saw no performance gain and ran identical times after a few weeks i went to track again ran much faster was about 1mph faster trap and about 0.3 of the previous 1/4 time.
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06-02-2014, 11:46 AM | #8 |
Colonel
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Only Cat-less trigger CEL
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