turbo back exhaust

  1. R

    H & S tuner install and still in limp mode

    I recently completed a turbo back exhaust, egr and throttle valve delete, new cold air intake. I installed an H & S tuner which over writes the codes. After programming I start it up with no warning lights or codes showing a problem but it still runs in limp mode. Any help of course would be...
  2. R

    Regeneration on straight pipe exhaust

    I have recently done several upgrades to my 2011 ram 2500 diesel. I completely replaced the exhaust from the turbo back, eliminating the exhaust filter and cat. I also did a egr and throttle valve delete, installed a new cold air intake and installed a predator 2 tuner. My problem is that it...

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