5" Turbo-back DPF delete exhaust allows you to remove the factory diesel particulate filter & catalytic converter. Bolts directly to the factory turbo or aftermarket turbocharger. Secured using the factory V-band clamp. This DPF delete exhaust will fit 2007, 2008, 2009 & 2010 Dodge Ram 3500/4500/550 Cab & Chassis trucks. Cutting may be required. Installation takes approx. 1hr. All clamps, hangers and hardware are included. Choose between aluminized steel and T409 stainless steel. Aluminized steel is our best seller and the most popular. However, we suggest the stainless upgrade for those who regularly operate there truck on salted winter roads. Removal of the DPF & CAT involves removing and eliminating emission related sensors. Because of this, when installing it must also be used with a DPF delete capable tuner. Expect to increase fuel mileage 3-4 mpg. More or less depending on how plugged up your current diesel particulate filter is. Typically we see around 18-19 mpg combined mileage. 1 year warranty. Built to order, may take up to 10 days before shipping.