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  1. J

    Trouble - EGR Cooler, EGR Vale and DEF HEater

    Oh and it’s for off road / race use only
  2. J

    Trouble - EGR Cooler, EGR Vale and DEF HEater

    OK - would/should that include a Delete Kit, pipe, and a single (TOW) tune? all total and installed = sound like $1800? curious what the single "tow" tune would do to HP and gas mileage.
  3. J

    Trouble - EGR Cooler, EGR Vale and DEF HEater

    Ok - so my check engine light came on on my 2012 GMC 2500 Duramax. I take it to the shop and they call me with the unpleasant news that i need the following : 1. DEF heater Reservoir 2. EGR Valve 3. EGR Cooler 4. $4 Glow plub ....for a whopping total $4400. The truck has 137k miles on...