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aFe Twisted Steel Header SS-409 HDR Jeep Wrangler YJ 91-99 I6-4.0L

Unlock the full potential of your Jeep Wrangler YJ with the aFe Twisted Steel Header. Engineered with pulse control technology, this header delivers maximum flow and velocity for power delivery across the entire power band.

  • 100-percent bolt-on with no modifications necessary
  • Large 1/2" thick head flange and 14-gauge 409 stainless steel tubing for strength and durability
  • Optimum tube lengths and mitered collectors for maximum flow and velocity

Combine the aFe Twisted Steel Header with your Jeep Wrangler YJ for a powerful and efficient driving experience.

Make Model Year Type
Jeep Cherokee 1991 Base
Jeep Cherokee 1991 Briarwood
Jeep Cherokee 1991 Laredo
Jeep Cherokee 1991 Limited
Jeep Cherokee 1991 Sport
Jeep Cherokee 1992 Base
Jeep Cherokee 1992 Briarwood
Jeep Cherokee 1992 Laredo
Jeep Cherokee 1992 Limited
Jeep Cherokee 1992 Sport
Jeep Cherokee 1993 Base
Jeep Cherokee 1993 Country
Jeep Cherokee 1993 Sport
Jeep Cherokee 1994 Country
Jeep Cherokee 1994 SE
Jeep Cherokee 1994 Sport
Jeep Cherokee 1995 Country
Jeep Cherokee 1995 SE
Jeep Cherokee 1995 Sport
Jeep Cherokee 1996 Classic
Jeep Cherokee 1996 Country
Jeep Cherokee 1996 SE
Jeep Cherokee 1996 Sport
Jeep Cherokee 1997 Country
Jeep Cherokee 1997 SE
Jeep Cherokee 1997 Sport
Jeep Cherokee 1998 Classic
Jeep Cherokee 1998 Limited
Jeep Cherokee 1998 SE
Jeep Cherokee 1998 Sport
Jeep Cherokee 1999 Classic
Jeep Cherokee 1999 Limited
Jeep Cherokee 1999 SE
Jeep Cherokee 1999 Sport
Jeep Comanche 1991 Base
Jeep Comanche 1991 Eliminator
Jeep Comanche 1991 Pioneer
Jeep Comanche 1992 Base
Jeep Comanche 1992 Eliminator
Jeep Comanche 1992 Pioneer
Jeep Grand Cherokee 1993 Base
Jeep Grand Cherokee 1993 Laredo
Jeep Grand Cherokee 1993 Limited
Jeep Grand Cherokee 1994 Laredo
Jeep Grand Cherokee 1994 Limited
Jeep Grand Cherokee 1994 SE
Jeep Grand Cherokee 1995 Laredo
Jeep Grand Cherokee 1995 Limited
Jeep Grand Cherokee 1995 Orvis
Jeep Grand Cherokee 1995 SE
Jeep Grand Cherokee 1996 Laredo
Jeep Grand Cherokee 1996 Limited
Jeep Grand Cherokee 1997 Laredo
Jeep Grand Cherokee 1997 Limited
Jeep Grand Cherokee 1997 Orvis
Jeep Grand Cherokee 1997 TSi
Jeep Grand Cherokee 1998 Laredo
Jeep Grand Cherokee 1998 Limited
Jeep Grand Cherokee 1998 TSi
Jeep Wrangler 1991 Base
Jeep Wrangler 1991 Islander
Jeep Wrangler 1991 Renegade
Jeep Wrangler 1991 Sahara
Jeep Wrangler 1992 Base
Jeep Wrangler 1992 Islander
Jeep Wrangler 1992 Renegade
Jeep Wrangler 1992 Sahara
Jeep Wrangler 1993 Base
Jeep Wrangler 1993 Renegade
Jeep Wrangler 1993 Sahara
Jeep Wrangler 1994 Renegade
Jeep Wrangler 1994 Sahara
Jeep Wrangler 1994 SE
Jeep Wrangler 1995 Sahara
Jeep Wrangler 1995 SE
Jeep Wrangler 1997 Sahara
Jeep Wrangler 1997 Sport
Jeep Wrangler 1998 Sahara
Jeep Wrangler 1998 Sport
Jeep Wrangler 1999 Sahara
Jeep Wrangler 1999 Sport
Advanced FLOW engineering (aFe) is a manufacturer of automotive cold air intake systems, performance air filters, fluid filters, intake manifolds turbochargers, programmers, throttle body spacers and exhaust systems. aFe was founded in 1999 and is headquartered in Corona, California, USA, in two facilities including their headquarters and manufacturing facilities. A warehouse and R&D facility was added in 2012.
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