AUDI S4/S5 B9 Heat Shielded Downpipes | PW Motor b9.5 As high-pressure pumps advance to

As high-pressure pumps advance to fully support DI fueling

where mass airflow sensors are involved and get damaged over time by oiled filters

durability

It not only protects critical components but also enhances the look of your engine bay with a refined

2 x FX-350  upgraded high-pressure fuel pumps

AUDI S4/S5 B9 Heat Shielded Downpipes | PW Motor b9.5 As high-pressure pumps advance toUpgrade 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