Porsche Exhaust Vacuum Unit - 911 07-11 997-111-901-92 993-631-031-00 Accurate Valve Timing: Optimizes power

Accurate Valve Timing: Optimizes power output and fuel economy

Clamp-on design: The filter is easy to install with a simple clamp-on design

Porsche Driver's manual for 1974 914 models as was supplied when the car was new

They offer excellent stopping power

Despite its exceptional strength and safety features the Start is the lightest racing seat in the MOMO lineup

Porsche Exhaust Vacuum Unit - 911 07-11 997-111-901-92 993-631-031-00 Accurate Valve Timing: Optimizes powerPorsche Exhaust Vacuum Unit For Porsche 997 (2007 2011) Models. This exhaust vacuum unit is a critical component of your vehicle's exhaust system, responsible for controlling the exhaust gas recirculation (EGR) valve. Key Features: Precision Engineered: Ensures accurate and reliable operation. Durable Construction: Made from high quality materials to withstand high temperatures and vibrations. Efficient EGR Control: Optimizes engine performance and