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Discussion Starter #1
Hi yall. I have 2008 passat with 2.0T 6spd. I have done few bolt ons such as. 3in down pipe, intake, r8 coils. Ever since I installed the 3in downpipe initially I was getting code for dignal too high on downstream o2. So I installed 90 degree adapter to pull the o2 away from the exhaust. But now I keep getting signal too low.


What option do I have? I want keep the downpipe since I am getting APR stage 2 tune soon.
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