Description
EMISSIONS NOTICE: This part does not have a California Air Resources Board (CARB) Executive Order (EO) number. NOT LEGAL FOR SALE OR USE IN CALIFORNIA OR CARB-adopting states. This part installs downstream of the factory catalytic converter / DPF and does not remove or modify emissions equipment. Does not support the removal of emissions equipment.
The Diamond Eye Performance K4378S is a 4" T409 stainless steel filter-back (dpf-back) exhaust for the 2015-2016 Ford F-250/F-350 with the 6.7L Power Stroke.
Sound: this system has no muffler, so it is considerably louder than stock, with a deep, aggressive tone; some owners notice drone at highway speed. Check your local noise ordinances before installing.
Features
- 4" T409 stainless steel
- DPF-back system: replaces the exhaust from the factory diesel particulate filter back
- Single side exit
- Muffler: none - straight-through design
- Vented stainless steel tip included
- Made in the USA
Fitment
- 2015-2016 Ford F-250/F-350 6.7L Power Stroke
- Excludes single cab
- Ducky platforms: PS 6.7 11-16
What's Included
- Diamond Eye K4378S filter-back (dpf-back) exhaust as supplied by Diamond Eye Performance
Details
- Manufacturer: Diamond Eye Performance
- Diamond Eye part number: K4378S
- Material: T409 stainless steel
- Tubing size: 4"
Questions about fitment? Call or email the Ducky Fuel Injection team before you order, and we'll confirm the right part for your truck. Call us at 479-799-3953.