Catalytic Converter for Toyota Tacoma (2016-2020) 3.5L

Direct-Fit Emissions-Compliant Catalytic Converter Set for 2016-2020 Toyota Tacoma

What it Does: Replaces degraded factory catalytic converters with a direct-bolt dual assembly to eliminate P0420/P0430 DTC codes and restore designed exhaust gas velocity.

The Stock Tacoma Catalyst Deterioration

The factory catalytic converters on third-generation Tacomas endure extreme thermal cycling, especially under sustained payloads and off-road crawl conditions. Over time, high exhaust gas temperatures break down the OEM ceramic washcoat, leading to cell sintering, internal substrate fracturing, and restricted exhaust scavenging. Furthermore, factory junction flanges are prone to corrosion and warping, yielding persistent exhaust leaks upstream of downstream O2 sensors, which triggers catalyst efficiency diagnostic trouble codes (P0420/P0430) and forces the ECU into conservative open-loop fuel trim mapping.

The Engineering Solution

This replacement set utilizes heavy-gauge, corrosion-resistant stainless steel casing coupled to precision-machined direct-fit flanges to maintain a leak-free seal. Inside, a high-efficiency ceramic honeycomb monolith substrate is loaded with catalytic washcoat to deliver optimal NO, CO, and HC conversion rates without inducing excessive backpressure. Designed to install directly into the N300 factory mounting geometry, it aligns with factory hanger points and includes OE-spec replacement hardware and crush gaskets to ensure leak-free reassembly without custom pipe routing or welding.

Technical Specifications

Compatibility

• Model Years: 2016, 2017, 2018, 2019, 2020
• Make: Toyota
• Model: Tacoma
• Engine: 3.5L V6 (2GR-FKS)
• Drivetrain: Four-Wheel Drive (4WD)
• Configuration: Driver and Passenger Side Exhaust Assembly (Both-Side Set)

The Toyota Durability Standard

Engineered to handle sustained hill climbing and heavy tongue-weight towing demands, this exhaust assembly resists thermal fatigue to keep your Tacoma running efficiently under high load.