HJS Tuning ECE Downpipes (Audi/Seat/VW) Audi > S4 > 4.2 V8 quattro B6 Saloon/Sedan Cheaper option than replacing the

Cheaper option than replacing the full sump

gaskets and fastening hardware can lead to exhaust leaks

The hose is constructed to provide a constant radius reducing restriction in the initial stage of the intake tract and is a direct replacement for the factory pipework

Research Octane: 120+

a feature that sets Cobra Sport apart from other manufacturers

HJS Tuning ECE Downpipes (Audi/Seat/VW) Audi > S4 > 4.2 V8 quattro B6 Saloon/Sedan Cheaper option than replacing theHigh performance, road legal downpipe with sports catalyst made by HJS in Germany. Designed to optimize vehicle power and sound while maintaining full European emission standards with ECE approval. Plug and Play fitment. Sound levels within 2dB of OE.