Originally posted by Wesley'sGTP:
from the ZZP website:
"The 304 works so well, that we can place the rear O2 bung in the 3” section of the downpipe on our 304 pipes. Trying that on our aluminized or competitor’s 409 pipes has produced check engine lights triggering “Catalyst system low efficiency”. By placing the O2 in the 3” instead of the 2.5” section of the pipe, we increase the HP gains."
i have the 304, maybe thats my problem and what they claim is wrong and throwing a code? or do you guys that are problem free have the 304?
Interesting. I've got a JimmyC downpipe and high flow cat. I thought they were all the same. Maybe not.
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