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JBA Performance Cat4ward Shorty Header for 91-99 Jeep Wrangler YJ, TJ & Cherokee XJ with 4.0L Engine

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If you own a Jeep powered by the 4.0L I-6, you know that it is a solid dependable powerplant. Depending on what year vehicle you have, you may also know that it is short on power and torque and has a tendancy to crack exhaust manifolds. JBA has spent countless hours developing and testing the ultimate solution for these power and durability challenges. JBA's unique headers designes are crafted from the highest grade materials to ensure lasting performance for your Jeep. The head flange is a one-piece design that is CNC laser cut from 1/2" steel plate to guarantee a tight seal with the head. JBA's collector features a 3/8" flange secured with a 360 degree weld for maximum strength. Each kit includes high quality hardware and gaskets for a professional no-leak installation. Don't settle for low grade materials and inferior designs.

Header Features:

  • 1/2" CNC laser-cut head flange
  • Mandrel-bent stainless steel primary tubes
  • Provisions for all factory emissions equipment
  • Premium quality hardware and gaskets included
  • Optional ceramic coating (thermal barrier)
  • 50 state smog legal*

* For most applications

Header Benefits:

  • Improved throttle response
  • Reduced under hood temperature
  • Increased passing power
  • Increased low-end torque
  • Makes engine more sensitive to upgrades
  • Improved fuel economy*

* results may vary

Installation Notes
Installation Difficulty:
Level 3Advanced
Installation Time: 3-5 hours
Parts Included

JBA Header
Head Flange Gasket
2 Collector Bolts
2 Nuts
2 Lock Washers

Limited One Year Warranty.
  • Color: Stainless Steel or Silver Ceramic or Titanium Ceramic
  • Motor: 6cyl 4.0L
  • Material: Stainless Steel
*Please make a selection above to view weight, dimensions, specs of a specific product
  • Jeep Wrangler (TJ)

  • 1999 Jeep Wrangler (TJ)
  • 1998 Jeep Wrangler (TJ)
  • 1997 Jeep Wrangler (TJ)
  • Jeep Wrangler (YJ)

  • 1995 Jeep Wrangler (YJ)
  • 1994 Jeep Wrangler (YJ)
  • 1993 Jeep Wrangler (YJ)
  • 1992 Jeep Wrangler (YJ)
  • 1991 Jeep Wrangler (YJ)
  • Jeep Cherokee (XJ)

  • 1999 Jeep Cherokee (XJ)
  • 1998 Jeep Cherokee (XJ)
  • 1997 Jeep Cherokee (XJ)
  • 1996 Jeep Cherokee (XJ)
  • 1995 Jeep Cherokee (XJ)
  • 1994 Jeep Cherokee (XJ)
  • 1993 Jeep Cherokee (XJ)
  • 1992 Jeep Cherokee (XJ)
  • 1991 Jeep Cherokee (XJ)

JBA Performance Cat4ward Shorty Header Options

Part NumberCatalog #OptionPrice
1526S17601.1510Stainless Steel$441.73
1526SJS17601.1511Silver Ceramic$566.29
1526SJT17601.1512Titanium Ceramic$566.29
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