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DPF Back

DPF Back Exhausts

DPFs (diesel particulate filters) are devices that filter out the soot from a diesel vehicle's exhaust.  The device itself is a restriction for the exhaust, so there is no power increase, but DPF back exhausts usually give a beefier note to their sound.  So sound is the reason to get a DPF, not power.  Zero In Racing has DPF backs from MBRP, Magnaflow and other brands.