Test pipes that won't throw a CEL

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11-27-2018, 10:07 PM

G37stan

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Test pipes that won't throw a CEL

Hey guys if there is already a thread about this I’m sorry I couldn’t find it but I’m looking to do test pipes and I don’t want to throw a CEL if i do them, which ones don’t throw it?

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11-27-2018, 10:49 PM

PNW_IPL

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Quote:

Originally Posted by G37stan

Hey guys if there is already a thread about this I’m sorry I couldn’t find it but I’m looking to do test pipes and I don’t want to throw a CEL if i do them, which ones don’t throw it?

any with anti fouler preferably j shape bung. Its never 100 percent fyi.

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11-28-2018, 09:44 AM

RMB5190

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Hit or miss. Any plans to tune the car? If so, I'd wait until you can do both. Install test pipes, get tune, no CEL

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12-01-2018, 06:14 PM

sc10692

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I have the fast intentions resonated test pipes. No codes for 5k miles.

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12-01-2018, 06:38 PM

blnewt

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If you have a longer counter-flow O2 post like these on my OBX set (and what Fast Intentions uses) you probably won't throw a CEL, have been CEL free for almost 3 years & 25k miles.
https://www.myg37.com/forums/engine-...ml#post4017623