per Porsche 911 996 Carrera 4 & 4S (97-05)

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The unit has a fully Rotrex developed impeller wheel designed for better overall efficiency

2-level Adjustable Blade

9 4x4 EML (02-08) 245hp

Valvola Blow Off Ford Focus RS MK3 e Opel Adam, Astra J, Corsa D E, e more Sku:FMDVCS14A per Porsche 911 996 CarreraProduct Description We recommend servicing your valve every 3 years, or 20,000 miles, whichever comes sooner This is a piston design bypass valve that is a direct replacement for the original fitment. This valve gives greater longevity than the diaphragm (OEM) valves but also benefits from its ability to be fitted with different springs when the boost pressure has been increased or the engine has been modified. Please note that if your vehicle has the