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Manufacturer information. Check the part number and installation requirements for your vehicle.
Supplier details checked 2026-09-23 · Test catalog
Twisted Steel 304 Stainless Steel Short Tube Header Jeep Grand Cherokee (WK2) 11-21/ Dodge Durango 11-26 V8-5.7L HEMI
Twisted Steel 304 Stainless Steel Short Tube Header
A Combination of Heavy Duty Laser Cut and Machined Flanges are used for a Durable Leak-Free Seal
Titanium Cerakote Ceramic Outer Finish Reduces Heat in Engine Compartment
Works with Factory Exhaust System with No Modifications Necessary
Constructed from 1-5/8 IN Mandrel-Bent Stainless Steel Tubing
Optimized Tube Lengths for Improve Flow and Performance
100% MIG-Welded for Strength and Durability
Up to +6 HP and +7 lbs. x Ft. TQ.
aFe Twisted Steel 11-21 Jeep Grand Cherokee (WK2) 5.7L V8 Headers
Twisted Steel Shorty Headers
Twisted Steel Header
This system produced gains of up to +6 HP and +7 lbs. x Ft. TQ., as measured on our in-house dyno. This system is constructed of 1-5/8 IN mandrel-bent stainless steel tubing for maximum strength and durability. This coating combination reduces the outside surface temperature of headers and reduces engine compartment temperatures by as much as 46% vs. non-coated headers. A combination of Factory style laser cut and machined flanges are used for a secure leak-free seal. Utilizing factory style flanges this system is designed to fit in the stock locations with no cutting or modifications required for a hassle-free installation. Utilizing state-of-the-art computer-aided design technology, this system is designed for custom, high tolerance factory fitment. 100% MIG-Welded for race-proven strength and durability.
