4" DPF Back Exhaust Single Exit 2011-2016 6.7L Powerstroke

4” DPF-Back Exhaust System – Single Exit

2011–2016 Ford 6.7L Powerstroke

Improve exhaust flow and sound on your 2011–2016 Ford 6.7L Powerstroke with this 4” DPF-back single exit exhaust system, manufactured by SPELAB and independently retailed by Secret Diesel Performance.

Designed to replace the factory exhaust components located behind the DPF, this system improves exhaust efficiency while maintaining proper emissions equipment placement. Ideal for off-road use, towing applications, and performance-focused builds, it delivers a deeper exhaust tone and improved overall drivability compared to stock.

Constructed for durability and proper fitment, the system features a straightforward bolt-on design intended for reliable long-term performance.

Features & Benefits

• 4” DPF-back exhaust system
• Single rear exit configuration
• Fits 6.7L Powerstroke diesel engines
• Improves exhaust flow and sound over factory system
• Direct replacement for factory rear exhaust section
• Designed for race and off-road performance applications

Fitment

• 2011–2016 Ford F-250 / F-350 / F-450 Super Duty
• 6.7L Powerstroke diesel engine