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  1. Long tube headers W/ Off Road midpipe

    5.7L Exhaust
    I just purchased Long tube headers from JBA and their connecting mid pipe. I am currently tuned and have a tune ready for after the installation that will also tune out the CEL from the O2’s. Do i need extensions for the o2’s and if so how many do i need? If i’m tuned, can i just plug the O2...
  2. 91 tune- Throttle response backing off after hour of driving

    Challenger Performance Mods - Engine - 5.7L HEMI
    Hi all, Apologies if this is answered somewhere else, I couldn’t find anything. Got the Trinity T2 and Hemifever 91 tune last week. Car really came alive but I’m Noticing after an hour or so of driving the throttle response is backing off. It goes from strong and crisp when I first put the...
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