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      03-21-2015, 01:01 PM   #4
Grinchxvx
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Drives: 2008 135i
Join Date: Apr 2014
Location: Salt Lake City

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Quote:
Originally Posted by EM58NDS 135i
Is this because of the lack of back pressure since i removed the cats?

http://www.turbodynamics.co.uk/techn...haust-systems/
I think that's a possibility but think About this: there are tons of people who run Catless DP, berk race mids and axle back which is full Catless and don't have smoking cars. I think older/aging turbos are the ones who have issues. I can't see turbo seals not sealing because of a certain amount of back pressure.
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2008 Aw/Coral Red Manual 135i Coupe-
JB4 G5 + BMS race flash, BMS meth kit, VRSF DP, Big tom Ic, BMS chinese tester CP, Custom Muffler Delete, BMS Oil Cooler Valve, Cowl Filters, Clutch Stop, B&M Short Shifter, Spec Stg 2+ Clutch W/ Oem dmfw, Vmr V710, KW v2, M RSFB, 1M Front and rear Bumper, Performance Side Skirts, slek trunk, Lci blacklines.]
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