Also, I'm not positive but I believe on the D-Max the dealer can run there little diagnostic computer and know that the DPF was removed even if it was put back on to bring it in for work. I wouldn't worry about warranty work unless you got a lemon.
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Grant <><
-2007- 5.9, 48RE w/DTT Shift Enhanser, 3.73, QC, Leveled, Edge Mileage Max, Magnaflow 5" TBE, K&N Intake Tube w/Amsoil Nano Filter...