Diesel Power Products

The only piggy back unit I would consider is the Banks Bullet and I think it is a little less expensive than the unit linked above. I plan to get a proper ECU tune. GDE Greene diesel engineering has one and it is well tested. I think there are some custom tuners working on a custom tune as well but I don't know of any that has an ECU tune ready for sales other than GDE. Nobody is going to get big power gains without changing out the small factory turbo so a goal tune for these trucks has to also involve fuel economy added longevity etc