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      10-17-2012, 10:38 PM   #38
jc5988
Lieutenant
18

 
Drives: 2010 328i 6MT Sport Pkg
Join Date: Aug 2011
Location: SOCAL


Posts: 431
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Quote:
Originally Posted by DUI Elite View Post
I can't believe not one person asked this,

but are you guys still passing emissions? I don't have to pass a Sniff test, but I mean, I don't want to throw any codes by doing this (i.e. instant fail), especially judging from how hard everyone is saying it is to weld it back in.

Anyone have any success doing secondary cat delete on STOCK exhaust?
i guess from past thread, there are only one sensor after the main cat before the secondary, so even u cut the secondary, the DME wont know its gone.

smog check via obd port will not notice it too, however, visual probably wont pass.
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N51- Perfomance Intake - Performance Exhaust - ESS Tuned - Performance SSK - CDV Delete - AFE Mid