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1997-1999 Jeep Wrangler (TJ) I6-4.0L Direct Fit Catalytic Converter Replacement

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Replace the faulty stock catalytic converter with the all new aFe POWER direct-fit cat replacement for the Jeep Wrangler (TJ) with I6-4.0L engine. This cat replacement is constructed of mandrel-bent, 100% MIG welded stainless steel for strength and durability. This product is an EPA Compliant cat and a 3/8" thick flange for a secure hassle-free installation. This cat replacement is designed as a one piece system that retains the factory O2 sensor and hanger locations for a direct bolt-on and go solution.

Stainless Steel Construction:
This system is constructed of durable mandrel-bent stainless steel tubing for maximum performance, corrosion resistance and strength, eliminating cracking.

Factory Mounting Locations:
This direct fit cat replacement retains factory O2 sensor and mounting locations. This unit also comes with an OE-style flange making it a true bolt-on system.

Catalytic Converter:
This product is an EPA Compliant catalytic converter.

Emissions Disclaimer:
This product is EPA compliant, not for sale or use on vehicles certified for the state of California. Consult your state or local authority for any additional clarification. Replacement of catalytic converters (if equipped) is allowed only under the following conditions: 1) if the vehicle is missing a converter; 2) if a state or local inspection program has determined the existing converter has been lead-poisoned or damaged or otherwise needs replacement; or 3) if the vehicle is more than five (5) years old or has more than 50,000 miles and a legitimate need for replacement has been established and documented. This product only fits those vehicles as listed in the application table.

aFe POWER exhaust systems are engineered and manufactured in our Corona, California manufacturing facility.

  • Instructions

  • Vehicle Applications

    Year Make Model SubModel Engine Fuel
    1997-1999Jeep Wrangler TJ L6 4.0L Gas
More Information
Weight25.00 lbs
Parent Product TypePerformance Upgrades
Product TypesCatalytic Converter
BrandAdvanced Flow Engineering
Year1997, 1998, 1999