aFe Power Twisted Steel T-4 Stainless Header | 1998.5-2002 Dodge Cummins 5.9L

Unleash torque and horsepower with this Twisted Steel series header featuring a laser-cut T-4 divided flange for your 1998.5-2002 24 valve Cummins. 1-3/4" head pipes stepped to 2" mandrel bent 304 stainless steel tubing and a 1/2" laser cut T-4 divided flange builds quicker turbo boost, improves throttle response and overall performance. TIG welded for strength and durability, this system allows for use of a larger turbo and is equipped with 1/8” EGT ports for auxiliary equipment.

Stainless Steel Construction
1-3/4" - 2" 304 stainless steel tubing, is used to increase exhaust velocity and increase usable torque. This means more aggressive throttle response and increased passing power. Durable mandrel bent brushed 304 stainless steel tubing for corrosion resistance.

TIG-Welded
100% TIG-Welded by certified craftsmen provides the strongest welds reducing stress cracks for race proven strength and durability.

Divided T-4 Flange
This system utilizes a divided T-4 flange that allows for a larger turbo and increase exhaust velocity, turbo spool, and boost.

Dual Auxiliary Ports
Two exhaust gas temperature (EGT) probe ports are supplied for easy installation of gauges or testing equipment.

Hassle-Free Installation
All necessary hardware is included for a hassle-free installation.

Legality
This system is not CARB exempt at this time and is not legal for sale in California or use on vehicles registered with the California Department of Motor Vehicle.

Vehicle Fitment