Search results

  1. T

    Duramax Bypass Filter DIY

    I have 31000miles on my 06 and will probably run it past 400 like my PSD. I plan on running Schaeffers 15 40 and running my change intervals out as long as posible. I find the cost of these bypass systems ridiculous and usually DIY stuff. I would like to DIY a bypass for the oil and tranny and...
Back
Top