Catalytic Converter for Honda Pilot (2009-2015) 3.5L

Direct-Fit Emissions-Compliant Catalytic Converter for 2009-2015 Honda Pilot

Replaces degraded OEM emissions units to restore proper exhaust velocity and clear downstream catalyst efficiency trouble codes (P0420/P0430).

The Stock Pilot Catalyst Degradation

The 3.5L J-series V6 in second-generation Pilots utilizes Variable Cylinder Management (VCM), which induces continuous exhaust thermal cycling as cylinders deactivate. Over extended mileage, unburned hydrocarbons and trace oil blow-by degrade the factory washcoat and thermal shock fractures the brittle internal ceramic honeycomb. This degradation leads to core dusting, increased exhaust backpressure, diminished mid-range torque, and persistent emissions MIL illumination.

The Engineering Solution

Built with a heavy-gauge stainless steel outer shell, this assembly withstands aggressive road corrosion and high-heat exhaust pulses. Internally, a dense ceramic monolith core coated in an optimized precious-metal catalytic washcoat rapidly treats NOx, CO, and unburned hydrocarbons back to factory efficiency levels. CNC-machined, OE-spec flanges and included mounting hardware provide an airtight bolt-on installation that drops directly into the stock exhaust routing without cutting or custom welding.

Technical Specifications

Compatibility

• 2009-2015 Honda Pilot LX 3.5L V6 (Gasoline)
• 2009-2015 Honda Pilot EX 3.5L V6 (Gasoline)
• 2009-2015 Honda Pilot EX-L 3.5L V6 (Gasoline)
• 2009-2015 Honda Pilot Touring 3.5L V6 (Gasoline)
• 2015 Honda Pilot SE (Special Edition) 3.5L V6 (Gasoline)

The Honda Durability Standard

Engineered to handle the constant thermal and mechanical stress associated with heavy passenger loads and sustained highway towing, maintaining stable backpressure and zero check-engine warnings under continuous duty.