6.7L Powerstroke DPF Delete 5" Downpipe-Back Exhaust for 2011–2022 Ford This 5" downpipe-back DPF delete exhaust system fits 2011–2022 Ford F-250 and F-350 trucks with the 6.7L Powerstroke diesel engine. It improves exhaust flow, lowers backpressure, supports better turbo response, and delivers a deeper diesel sound with proper ECU tuning. 2011–2022 Ford F-250 / F-3506.7L Powerstroke Diesel5" Downpipe-Back DesignT-409 Stainless SteelDeeper Exhaust SoundPotential Long-Term Savings Removing the DPF system may reduce costs from regeneration, cleaning, replacement, extra fuel use, sensors, and related components. Up to $21,000Estimated fuel savings over 300,000 milesAround $6,200DPF maintenance costs avoidedUp to $26,000Potential net savings after components and tuner Actual savings vary by mileage, load, tuning, installation, and vehicle use. Performance, Efficiency, and Sound Benefits With proper tuning, this 5" exhaust can improve flow, reduce restriction, and help increase horsepower and torque by 5%–10%. 110%–192% More Flow Area More exhaust capacity than the factory baseline. 82%–89% Lower Backpressure Less restriction for smoother exhaust flow. 5%–10% Power Gain More horsepower and torque with proper tuning. Results vary by truck condition, tuning, installation, and supporting modifications. T-409 Stainless Steel vs. Aluminized Steel: Which Is More Durable? T-409 stainless steel is built for higher heat, moisture, road salt, and longer service life. Material Durability ComparisonT-409 Stainless Steel offers better long-term valueFeature T-409 Stainless Steel Aluminized Steel Corrosion Protection Chromium inside the material Aluminum coating on carbon steel Heat Resistance 750–800°C Around 600°C Service Life About 10 years About 3–5 years Best Use Case All conditions, especially snow and road salt areas Short-term use in dry, salt-free areas Bottom line: The lower upfront cost of aluminized steel may return as repairs or rework later. How to Choose Between 4" and 5" Choose 4" downpipe-back exhaust for a balanced upgrade. Choose 5" for stronger flow, lower backpressure potential, deeper sound, and a more aggressive large-diameter look. Recommended DPF EGR Delete Combo A DPF EGR delete combo helps cut off carbon buildup at the source. Even after DPF removal, the EGR system can still send exhaust gas back into the engine. Removing both systems helps bring in more fresh air for better throttle response, stronger mid-to-high RPM acceleration, and improved fuel efficiency. Shop Recommended All-in-One Kit The Importance of Tuning Recommended process: tune first, then install the hardware. Without tuning, the ECU may trigger warning lights, fault codes, or limp mode. Proper tuning tells the ECU that the hardware has been removed and helps release the real power potential. Why Choose SuncentAuto? SuncentAuto offers durable diesel exhaust parts, clear installation support, fast US warehouse shipping, and responsive service. Includes a vehicle model adapter to ensure 100% compatibility. Fast shipping from our US warehouse 45-day return guarantee Responsive support teamFAQs Will this 5-inch straight-through exhaust system for the 6.7-liter Powerstroke engine be suitable for my truck?Please check your vehicle specifications. This product is for 2011-2022 Ford F250 and F350 Crew Cab (short and long wheelbase) models with the 6.7L Powerstroke engine. It is not suitable for cab-mounted commercial trucks.Does this product include a tuner?No. This kit does not include a tuner.Can I install this system myself?Yes, if you have some mechanical experience and the right tools. You can install it by following our detailed installation instructions, which typically take 2-4 hours. If you are unfamiliar with this, we recommend having it installed by a professional.What performance improvements can I expect?With proper tuning, users will typically see: a potential increase of 30-80 horsepower, lower exhaust gas temperature (EGT) while towing, and more responsive throttle. Actual performance gains depend on the accompanying modifications and tuning setup.Is this exhaust system street legal?No. This DPF-removed exhaust system for the 6.7-liter Powerstroke engine is only suitable for off-road or racing use. Read More