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headers and exhaust

1434 Views 15 Replies 7 Participants Last post by  nightowl
My 2011 titan pro 4x has a cracked exhaust manifold so I'm looking into headers. What's the best combo as well as cats or no cats?
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Definitely interested in the Cajun setup. Watched a few of nightowls videos on YouTube and love the sound. I am curious about the cat less headers I know your truck is a 05 model however will the uprev tune fool the CEL on my 2011?
We can disable the codes that cause the CEL in the tune so you can run full catless if you don't have to pass an obd2 scan for emissions.

If you have emissions testing you do need the catted b pipes to relocate the secondary O2 sensor to after the cat and keep the CEL off.
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