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      01-21-2013, 10:23 AM   #97
spideypm
Private
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Drives: 2013' 335i M Sport
Join Date: Oct 2012
Location: Taiwan


Posts: 70
iTrader: (0)

Hi Greg,

is it possible to install the downpipe incorrectly and still not have the CEL on? I had installed the HFC downpipe and tested it with P-Box. The numbers that i got was actually slower than a fellow 335i owner running stock. Like I had posted before I could feel the car pulling harder at high rev. is there any sign i should pay attention to?

Could it interfere with JB? At the time of the testing I had hooked my car up with JB but i had switched the JB off. Tks!