Nissan Navara D40 2007+ DPF Delete Pipe(3 6) PRODUCTION UPDATE: DUE TO HIGH DEMAND THESE SYSTEMS ARE A PRE ORDER FOR DISPATCH IN THE WEEK STARTING 30 6. SKU: M3 186 Stainless Steel DPF Delete Exhaust Upgrade for D40 Nissan Navara Problems with the Navara Diesel Particulate Filter are well documented. The Navara runs an passive DPF system that traps harmful diesel particulates in a honey comb structure, and then burns them off as the DPF flow is reduced. In the Navara, often the soot left