AUDI S4/S5 B9 Heat Shielded Downpipes | PW Motor x4m Larger Filtration Element Surface area

Larger Filtration Element Surface area vs OEM

No check engine light (CEL) triggered

and driving dynamics

Its oversized build further enhances engine performance across the board

AUDI S4/S5 B9 Heat Shielded Downpipes | PW Motor x4m Larger Filtration Element Surface areaUpgrade your AUDI S4 S5 B9 to new levels of performance with PW MOTOR heat shielded Downpipes. Designed with sophisticated CAD modelling tools to ensure high flow and a perfect fit. With a range of diameters from 4. 5 to 5 inches depending on the application, are replacing the OEM downpipes, Laser cut brackets to fit onto the OEM provided mounting points. Completely assembled and TIG welded with love from experienced hands. Key Features of AUDI S4 S5