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  1. Long Tube Headers & Tuning

    Newbie Discussions
    Hello, I recently put on long tube headers on my 07 FJ, along with a straight y-pipe and JBL exhaust. All my lights came on on my dash, and I'm running extremely rich. I'm getting 9 to 13 miles per gallon. I've called around to different performance shops but no one will tune an FJ. I live in...
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