SPEEDFusion Left & Right Catalytic Converter for Toyota 4Runner/Tacoma/FJ Cruiser 4.0L V6 (EPA)

Upgrade your Toyota with SPEEDFusion Left & Right Catalytic Converter

Engineered for the 4.0L V6 powerplants in the 2003-2009 Toyota 4Runner, the 2005-2011 Tacoma, and the 2007-2009 FJ Cruiser, SPEEDFusion offers a paired catalytic converter set that aligns with OEM specifications and carries EPA certification. This left/right kit is designed to work in tandem, balancing exhaust flow with emissions control across daily driving and weekend trips.

Compatibility and Fitment

Before purchasing, verify fit by entering year, make, model, engine, and trim. The kit is intended for the models listed and is sold as a matched left/right pair to simplify installation.

• Vehicle fitment: 2003-2009 Toyota 4Runner 4.0L V6
• Vehicle fitment: 2005-2011 Toyota Tacoma 4.0L V6
• Vehicle fitment: 2007-2009 Toyota FJ Cruiser 4.0L V6

Performance and Materials

The stainless steel body resists corrosion and road debris. Inside, a porous ceramic core holds noble metals (Pt, Rh, Pd), which can boost catalytic activity and support cleaner exhaust aftertreatment under varied driving conditions.

Compliance and Safety

This product is EPA-certified for vehicles meeting federal emission standards. It is not approved for use in California, Colorado, New York, or Maine. Proper installation and adherence to local regulations are important for safe operation.

Installation and Care

Easy to install: connect to the exhaust manifold and the downstream exhaust pipe, then tighten to the specified torque. For best results and to ensure proper operation, consider professional installation.

What’s Included and Reference

Reference numbers: OEM PartNumber 16390 and 16391. The kit is built to OEM specs and designed to meet EPA certification expectations.

Real-world Use and Benefits

In everyday driving, this left/right set may help maintain catalytic performance across typical road conditions. The sturdy stainless construction is built to endure heat cycles, moisture, and road debris, making it a practical choice for daily commuting and highway trips. The combination of a robust body and a ceramic core with noble metals can support steady emissions control and dependable exhaust flow in real-world use.

Notes on Compliance

EPA approval covers federal standards, but the kit is not approved for use in certain states. Always verify local requirements and ensure installation quality to maintain compliant operation.