4″ / 5″ Downpipe-Back DPF & CAT Delete Exhaust System – Fits 2017–2019 Ford Powerstroke 6.7L F250, F350, F450

Take your 2017–2019 Ford Powerstroke 6.7L to the next level with a downpipe-back DPF & CAT delete exhaust system engineered for performance, efficiency, and durability. Built from heavy-duty stainless steel, this system increases airflow, improves fuel economy, lowers EGTs, and delivers the deep, aggressive sound diesel owners love.

Inside the Box:

• SS409 Downpipe-back race exhaust – designed for 2017–2019 Ford Powerstroke 6.7L F250, F350 & F450 pickups
• 1.25″ wide stainless band clamps for secure fitment
• Mandrel-bent tubing for maximum airflow and efficiency
• Pre-bent exhaust hangers for easy installation
• Optional muffler setup – comes with both straight-pipe and muffler sections so you can choose your sound
• Upgraded 1″ larger-diameter SS304 polished tip for a bold finish

Vehicle Fitment:

• ✅ 2017, 2018, 2019 Ford Super Duty Powerstroke 6.7L Diesel
• F250, F350, F450 – Regular Cab (short & long bed) and Crew Cab (short & long bed)
• ❌ Will not fit Cab & Chassis commercial trucks

Exhaust Material:

• Constructed from T-409 stainless steel for long-term durability
• Ideal for trucks in salted winter road conditions
• Note: T-409 stainless is magnetic (unlike T-304), so don’t mistake magnetism for non-stainless

Installation:

• Bolt-on installation in about 1 hour with basic hand tools

• Faster with an automotive lift
• Cutting may be required for shorter wheelbase models
• Includes clamps, hangers & hardware (factory hardware may be reused where needed)

Performance Benefits:

• Fuel Economy – Many drivers see 18–19 mpg combined after deleting the DPF/CAT
• Horsepower & Torque Gains – Better airflow = noticeable power increase
• Lower Exhaust Gas Temperatures (EGTs) – Safer for towing & long hauls
• Aggressive Exhaust Tone – Deep, bold diesel sound without unnecessary drone

(Mileage and performance gains vary depending on tire size, driving style, and load.)

Race Tuning Required ⚡

This system requires custom tuning to prevent check engine lights and fully unlock performance.
We recommend the EZ Lynk AutoAgent for the easiest solution.

👉 Browse our Tuning Section for compatible options.

Why Choose This System?

Unlike budget kits, this exhaust is built from premium materials with mandrel-bent precision for optimal performance. Whether you tow, daily drive, or just want more power and sound, this kit delivers proven results for your Powerstroke.

🔥 Upgrade your Ford Powerstroke 6.7L with a DPF & CAT delete exhaust that delivers power, efficiency, and sound — all backed by real-world performance.