Catalytic Converter for Honda Ridgeline (2006-2008) 3.5L

Direct-Fit Y-Pipe Catalytic Converter for 2006-2008 Honda Ridgeline

What it Does: Replaces fractured OEM flex sections and degraded emissions bricks with a direct-bolt front Y-pipe catalytic converter assembly to clear P0420/P0430 DTCs and eliminate exhaust leaks.

The Stock Ridgeline Exhaust Flex Joint & Catalyst Degradation

First-generation Ridgelines subject the exhaust tract to intense torsional movement under towing and payload hauling. Over time, the factory front Y-pipe flex bellows suffer metal fatigue, cracking along the accordion seams and causing raw exhaust blow-by. Simultaneously, high-mileage ceramic cores endure thermal washcoat sintering and carbon fouling, restricting exhaust velocity and triggering persistent catalyst efficiency codes.

The Engineering Solution

Constructed with a heavy-gauge stainless steel outer shell, this direct-replacement assembly provides exceptional resistance to road debris, salt, and thermal shock. A reinforced, interlock-lined flex coupling isolates transverse engine rock from the rigid exhaust system to prevent stress fractures. Internally, a high-efficiency ceramic honeycomb monolith promotes complete exhaust gas cross-flow, restoring factory scavenging dynamics and factory tailpipe emissions.

Technical Specifications

Compatibility

• 2006 Honda Ridgeline 3.5L V6 (RT, RTS, RTL)
• 2007 Honda Ridgeline 3.5L V6 (RT, RTS, RTL, RTX)
• 2008 Honda Ridgeline 3.5L V6 (RT, RTS, RTL, RTX)

The Honda Workhorse Standard

Built to handle rigorous truck duty cycles, this converter assembly withstands continuous payload towing and rough job-site conditions without flange distortion, weld failure, or unwanted exhaust resonance.