Porsche Boxster S 986 Catalytic Converter And Catback Exhaust - Used Original Parts

Diagnosis and Common Symptoms

From the workshop floor, a failing catalytic converter on a PHOENIX 986 presents clear, diagnosable symptoms. The most common indicator is the illumination of the Check Engine Light, triggered by fault codes such as P0420 (Catalyst System Efficiency Below Threshold). Drivers often report a significant loss of engine power and poor acceleration, a direct result of exhaust restriction from a clogged or collapsed converter matrix. A distinct rattling sound from underneath the vehicle, especially on startup or acceleration, points to a broken internal honeycomb structure. In advanced stages of failure, a sulfuric or "rotten egg" smell may be noticeable from the exhaust.

Introduction

This is a Genuine PHOENIX 986 catalytic converter and catback exhaust assembly, sourced directly from a donor vehicle. At M.S. Motor, every exhaust system undergoes a thorough inspection and back-pressure test to verify functionality and structural integrity. Trust in a tested, original component to restore your vehicle's emissions compliance and signature performance without the expense of a new unit.

Product Details

• Brand: PHOENIX

• Model Compatibility: 986

• Part Name: Catalytic Converter and Catback Exhaust

• Condition: Genuine Used (Tested Working)

• Notes: Complete assembly from the manifold flanges back. All mounting points and heat shields have been inspected for integrity. Minor surface corrosion is present, which is cosmetic and typical for a used exhaust component; it does not impact performance or longevity.