AUDI S4/S5 B9 Heat Shielded Downpipes | PW Motor b9.5 2 x FX-350 upgraded high-pressure

2 x FX-350  upgraded high-pressure fuel pumps

incorporating several key features:

optimizing engine efficiency and performance in all driving conditions

Spool Performance FX-170 High-Pressure Fuel Pump Upgrade

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

AUDI S4/S5 B9 Heat Shielded Downpipes | PW Motor b9.5 2 x FX-350 upgraded high-pressureUpgrade 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