4″ / 5″ Downpipe-Back DPF & CAT Delete Exhaust System – Fits 2011–2016 Ford Powerstroke 6.7L F250, F350 & F450

Unleash the true power of your 6.7L Ford Powerstroke with our high-performance downpipe-back exhaust system. Designed to maximize airflow, boost fuel economy, and deliver an aggressive diesel tone, this system is built tough with T-409 stainless steel for long-lasting performance in all driving conditions.

Inside the Box:

• SS409 Downpipe-back race exhaust for 2011–2016 6.7L Ford Powerstroke pickups
• 1.25″ wide stainless band clamps for a tight, leak-free seal
• Mandrel-bent tubing for unrestricted airflow and efficiency
• Pre-bent exhaust hangers for straightforward installation
• Optional muffler setup – includes both straight-pipe and muffler options
• 1″ larger-diameter polished SS304 exhaust tip for a bold look

Vehicle Fitment:

• ✅ 2011, 2012, 2013, 2014, 2015 & 2016 Ford Super Duty Powerstroke 6.7L Diesel
• Fits F250, F350, F450 – Regular Cab (short & long bed) and Crew Cab (short & long bed)
• ❌ Does not fit Cab & Chassis commercial trucks

Exhaust Material:

• Constructed from T-409 stainless steel for strength and corrosion resistance
• Recommended for trucks exposed to salted winter roads
• ⚠️ Note: Unlike T-304 stainless, T-409 is magnetic – a magnet will still stick even though it’s stainless

Installation:

• Easy bolt-on installation – takes about 1 hour with basic hand tools
• Faster with an automotive lift
• Cutting may be required on shorter wheelbase cab/bed setups
• All clamps, hangers & hardware included (some factory hardware may be reused)

Performance Benefits:

• 🚀 Improved Power & Torque – Increased airflow enhances throttle response and pulling power
• ⛽ Better Fuel Economy – Many drivers report 18–19 MPG combined after deleting the DPF/CAT
• 🌡️ Lower EGTs – Helps protect your engine when towing or hauling heavy loads
• 🔊 Aggressive Exhaust Tone – Rich diesel sound without excessive drone

(Performance results vary based on tire size, driving style, and tuning.)

Race Tuning Required ⚡

This system requires custom tuning to prevent CEL codes and fully unlock performance.
We recommend the EZ Lynk AutoAgent for reliable results.

👉 Check out our Tuning Section for compatible options.

Why Upgrade?

Built from mandrel-bent T-409 stainless steel, this exhaust system is engineered for longevity and real-world performance. Whether you’re towing, daily driving, or chasing power, this kit delivers maximum gains in sound, efficiency, and durability.

🔥 Upgrade your Ford Powerstroke today with a DPF & CAT delete exhaust designed for serious diesel enthusiasts who demand more power, better fuel economy, and long-term reliability.