Description
Product Overview
Part Name: Three-Way Catalytic Converter Downpipe
Vehicle Compatibility: Audi A4 (B9) cars equipped with 2.0T petrol engines using factory or performance exhaust downpipe systems. Suitable for vehicles produced within the stated year range (2017–2021).
Configuration: High-flow stainless steel downpipe with integrated three-way catalytic converter and thermal insulation, designed to match factory exhaust routing and sensor locations.
Function: Reduces exhaust emissions while supporting improved exhaust gas flow and thermal efficiency for turbocharged petrol engines.
Technical Specifications
Type: Three-Way Catalytic Converter Downpipe
Material: 304 stainless steel downpipe with ceramic catalytic substrate
Application: Audi A4 B9 2.0T petrol cars (2017–2021)
Cross-Reference: Compatible with OEM Audi catalytic converter and downpipe configurations for A4 B9 2.0T engines
Installation: Direct-fit replacement using factory exhaust mounting points
Service Interval: Replace during exhaust upgrades or when catalytic efficiency decreases
Delivery & Availability
Stock Options: Available
Delivery Time: 3–7 working days for international delivery
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