Home » Jeep Exhaust » Catalytic Converters » Flowmaster Direct Fit Catalytic Converter

Flowmaster 2040004 Direct Fit Catalytic Converter for 03-06 Jeep Wrangler TJ with 4.0L

Quadratec Part #: 17618.0007
Flowmaster Part #: 2040004

Unlike your love for your Jeep, factory exhaust components do not last forever. Sooner or later you will need to replace clogged or rusted out components. Fortunately, the Flowmaster Direct Fit Catalytic Converter has you covered. Flowmaster constructs this Catalytic Converter from stainless steel in the USA. With a bolt on installation, this factory replacement part can be easily installed without cutting or welding. Even though this catalytic converter meets or exceeds all USEPA 49-state requirements, it is not C.A.R.B. compliant, and cannot be shipped to California.

Installation Note: For use with 2003 Wranglers with clamp on catalytic converter inlets.

CARB Notice

  • Legal in California, or other states adopting California emissions standards, only for racing vehicles that may never be used, registered or licensed for use, upon a highway. Can not be shipped to California residents.

Engine Specific: For use with 4.0L inline 6 cylinder only

Total Length: 26.25”

Catalytic Converter Body Width: 7.75”

Inlet Diameter: 2.5”

Outlet Diameter: 2.25”

Inlet Connection Type: Clamp On

Outlet Connection Type: Flanged

49 State Legal: This part is not C.A.R.B. compliant

Substrate Material: Ceramic

Body and Pipe Material: Stainless Steel

Factory Oxygen Sensor Location: An O2 sensor bung comes welded in the OEM post catalyst location.

Installation Notes
Installation Difficulty:
Level 2Intermediate
Installation Time: 1-2 hours
Parts Included

Catalytic Converter

  • 5 Year / 5,000 Mile Warranty on Exterior Casings
  • 25,000 Mile Internal Components Emissions Warranty
  • Features: Stainless Steel
  • Color: Stainless Steel
  • Shipping Weight: 12lb
  • Shipping Dimensions: 29in x 10in x 10in (L x W x H)
  • Jeep Wrangler (TJ)

  • 2006 Jeep Wrangler (TJ)
  • 2005 Jeep Wrangler (TJ)
  • 2004 Jeep Wrangler (TJ)
  • 2003 Jeep Wrangler (TJ)
Please be sure your 2003 Model Year Wrangler has the slip fit inlet.
Share Your Thoughts
Review Summary
Shared Media

Customer Submitted Photos

Flowmaster Direct Fit Catalytic Converter Reviews