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aFe Twisted Steel Header SS-409 Jeep Wrangler YJ/Cherokee XJ/Comanche MJ/Grand Cherokee ZJ 91-99

$836.25 Sale:$669.00


Model #48-46201

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This product is for Racing Competition only and is not legal for use in highway or street vehicles or other non-racing competition off-road vehicles.

Purchasing this product requires you to sign our Vehicle Compliance Waiver here.

aFe Power s new Twisted Steel header delivers an astounding 7hp and 9lbs. x ft. torque while outflowing the factory exhaust manifold. The header is constructed of 1.5?? 14-gauge 409 SS tubing with a 1/2?? thick head flange to ensure a leak free seal. To eliminate dead space that can cause turbulence and hindering flow that formed collectors are prone to produce, a true merged collector and optimized tube lengths are used for true pulse control technology improving flow and performance. 100% hand TIG-welded construction ensures optimal strength and durability. The smooth curves and increased diameter of this header helps remove restriction and keeps exhaust gas flowing smoothly for improved performance and durability on and off the trails. All components are supplied for a hassle-free installation with no modifications necessary. Mitered collectors extend the tube length into the flange which decreases turbulence and increases exhaust velocity. The result is increased horsepower, torque and improved throttle response. 100% TIG-Welded by certified craftsmen for Race proven strength and durability. TIG-Welding provides the strongest welds reducing stress cracks. A 1/2" thick head flange is used for maximum strength and durability. The flange design is identical to the head port and is machined flat for a leak-free seal. This header is constructed of durable CNC mandrel bent 14-gauge 409 stainless steel tubing for maximum performance, corrosion resistance and strength eliminating cracking. A premium intake/exhaust flange gasket with aluminum fire rings is provided for a leak-free seal. The gasket is port matched for a perfect seal.


  • Symmetrical Tube Design.
  • Mitered Collectors.
  • Tig-Welded.
  • 1/2" Thick Head Flange.
  • Premium Gasket.
  • 409 SS Construction.
  • Twisted Steel Headers come with a Limited Lifetime Warranty.
  • Jeep, Wrangler, YJ, I6 4.0L, 1991-1999
  • Jeep, Cherokee, xJ, L6 4.0L, 1991-1999
  • Jeep, Comanche, MJ, L6 4.0L, 1991-1992
  • Jeep, Grand Cherokee, ZJ, L6 4.0L, 1993-1998
For Install Instructions CLICK HERE

Other Part Numbers:
AFE #afe48-46201

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Vehicle Engine Notes
Jeep Cherokee

Jeep Grand Cherokee

Jeep Wrangler

  • aFe warrants our products to be free from manufacturer's defects due to workmanship and materials.
  • The warranty period begins on the original invoice date and covers the applicable period listed below.
  • This warranty applies only to the original purchaser of the product and is non-transferrable.
  • Proof of purchase of the aFe product is required for all warranty claims.
  • Warranty is valid provided aFe instructions for installation and/or cleaning were properly followed.
  • Proper maintenance with regular inspections of product is required to insure warranty coverage.
  • Damage due to improper installation, abuse, unauthorized repair or alteration is not warranted.
  • Incidental or consequential damages or cost, including installation and removal of part, incurred due to failure of aFe product is not covered under this warranty.
  • All warranty is limited to the repair and/or replacement of the aFe product.
  • All products sold under aFe's Private Label Program do not carry an aFe warranty.
  • All items purchased labeled "Closeout" or "Overstock" are final sale. No returns will be accepted.
  • All items listed as "Race Only" are not covered by aFe's warranty.
  • Click Here for the list of products accepted

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