HJS Tuning ECE Downpipes (Audi/Seat/VW) Audi > S4 > 4.2 V8 quattro B6 Saloon/Sedan

HJS Tuning ECE Downpipes (Audi/Seat/VW) Audi > S4 > 4.2 V8 quattro B6 Saloon/SedanHigh 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.

a feature that sets Cobra Sport apart from other manufacturers

tested and quality inspected by our Research and Development team in our Wadsworth

Every unit is rigorously pressure tested for ultimate reliability

generated by its high-revving Lamborghini-derived 5

throughout the rev range

5 GTi facelift models with and without the GPF Filter

5mm pipework and fits from the catalytic converter section backwards (Cat Back) these exhausts replace the centre and rear sections

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+

Combined with our Race Sports Cat

gaskets and fastening hardware can lead to exhaust leaks

Cheaper option than replacing the full sump