aFe 1991-1999 Jeep XJ/MJ/TJ/YJ I6-4.0L Twisted Steel Header SS-409

Vehicle Compatibility:

• 1991-1999 Jeep Cherokee XJ L6 4.0L Gas
• 1991-1992 Jeep Comanche MJ L6 4.0L Gas
• 1993-1998 Jeep Grand Cherokee L6 4.0L Gas
• 1997-1999 Jeep Wrangler TJ L6 4.0L Gas
• 1991-1995 Jeep Wrangler YJ L6 4.0L Gas

Upgrade Your Vehicle's Performance with aFe Power's Twisted Steel Header

Experience a remarkable boost in power with aFe Power's new Twisted Steel header. Gain an impressive 7 horsepower and 9 lbs. x ft. of torque, surpassing the factory exhaust manifold. This high-performance header is designed to enhance flow and maximize performance.

Optimized Tube Design for Enhanced Flow: Our header utilizes a true merged collector and optimized tube lengths, eliminating dead space that can cause turbulence. By improving flow and control, our header enhances performance, providing you with increased horsepower, torque, and improved throttle response. Say goodbye to restrictions and unleash your vehicle's true potential.

Hand TIG-Welded Construction for Durability: Crafted by certified craftsmen, our header is 100% hand TIG-welded to ensure optimal strength and durability. TIG-welding produces strong welds that reduce stress cracks, providing you with a header that can withstand the demands of racing and off-road adventures.

1/2" Thick Head Flange for a Secure Seal: To ensure a leak-free seal, we utilize a 1/2" thick head flange. The flange design is identical to the head port and machined flat for a precise fit. Enjoy peace of mind knowing that our header is engineered for maximum strength and durability.

Durable 409 SS Construction: Constructed from CNC mandrel-bent 14-gauge 409 stainless steel tubing, our header offers exceptional performance, corrosion resistance, and strength. With this robust construction, you can trust that our header eliminates cracking and delivers long-lasting performance.

Premium Gasket for a Perfect Seal: We provide a premium flange gasket with aluminum fire rings for a leak-free seal. The gasket is port-matched to ensure a perfect fit, further enhancing the seal and performance of our header.

Emissions Compliance: Please note that some or all of the applications listed are 50-state exempt. For more details, refer to CARB EO# D-550-12.

Unleash the Power: Enhance your vehicle's performance with aFe Power's Twisted Steel header. Enjoy increased horsepower, improved throttle response, and durability both on and off the trails. Our hassle-free installation ensures a seamless upgrade without modifications. Elevate your driving experience with aFe Power and experience the difference.