The Ram Cummins 6.7L diesel engine passes the 2011 emission standards without DEF on only light-duty trucks. With proper maintenance, the DPF systems will work properly for many years past the manufacturer’s warranty. The good news is there are many ways to increase the power and performance of diesel pickups without breaking the law. Prices range from around $550 for a base tuner to more than $3,000 for a complete performance kit with DPF delete, cold-air intake, stainless down pipe plus other items. The cost for the added performance depends on how much power and performance you want. In addition to tuners, a variety of performance intake and exhaust products are available satisfy increased performance demands for just about any application. H&S and SCT Tuning also offer programmers that are designed for use with the DPF. With three stages of performance to choose from, the owner can increase horsepower on average from 32hp and 68 ft.-lbs. Most diesel owners prefer to keep their DPF systems and take advantage of the legal ways to increase their truck’s performance.Ī good example is the Hypertech Max Energy Power Programmer for a 2005 Silverado, equipped with the Duramax 6.6L engine. torque to an impressive 482hp and 1,028 ft.-lbs. of torque.Ī bone stock 2006 Cummins 5.9L equipped with a 4-inch turbo-back exhaust system and an H&S Mini Maxx on hot setting went from 283hp and 510 ft.-lbs. The GM 6.6L Duramax, when equipped with an S&B cold-air intake, DPF-delete exhaust and a Black Maxx on the hot setting, went from a stock horsepower/torque rating of 290hp/539 ft.-lbs. of torque to 582hp and a whopping 1,287 ft.-lb. H&S Performance has a variety of products that will increase the overall performance.įor example, a Ford 6.4L Power Stroke equipped with an S&B cold-air intake, DPF-delete exhaust and Black Maxx race tuner on hot setting went from a stock 306hp at 648 ft.-lbs. (Removing the DPF requires some sort of engine programmer modifications so the engine will run properly.) Owners who choose to eliminate the DPF system have a number of choices in how to maximize the potential power gains. Keep that in mind if you are a fleet owner with future plans to sell or trade in DPF-modified pickups. New owner vehicle registration is also a problem in states that require the owner to sign a registration form stating the emission controls have not been tampered with.
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