Built to Last:
Constructed from heavy-duty 16 gauge T409 stainless steel for maximum durability.
Mandrel-bent for a perfect fit and improved airflow.
Improved flanges ensure a leak-free connection.
 
Effortless Installation:
With included clamps and pre-welded contour bends.
TorcTite® clamps provide a secure and rattle-free connection.
4" Downpipe
 
Performance Gains:
Expect a noticeable boost in horsepower and torque.
Lower Exhaust Gas Temperatures (EGTs) for improved engine health.
Hear the difference! DIESELR performance exhaust delivers a throatier sound.
 
Fitment:
Fits 03-07 F250/F350/Harley pickups with automatic transmissions. (EC-CC/SB-LB-Dually)
 
Important Disclaimer:
This product requires aftermarket tuning and is intended for off-road competition use only.
Installation on emission-controlled vehicles may violate regulations. Please check your local laws before installation.