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catless mids

  1. Long Tube Headers And Catless Mids, In Search Of The Truth.

    SRT-8 6.1L Exhaust
    I have been reading post from all over the Internet and still haven't been able to find the truth about LTH and catless mids. Yes we all know about Bigdaddies 02 mini cats and the old spark plug fouler with steelwool trick. The turning off the secondary sensors blah blah, and please no EPA post...
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