If the new "code free" box plugs in some where and dosent require the use of the sensors in the DPF. The fooler box must be suppling the required info the sensors normally would. Could you operate without the EDGE then? No codes means no codes to clear.
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08 Laramie 2500 6.7 6spd auto,PPE/PWR Puck Stack! Recon Smoke Cab & 3rd Brake Lights.
35 BFG's XD's, S&B, 4.5 FabTech, Century box cover. BW Flares.Window Tint. 5.5 Exh.tip. EGR Unplugged!