Our direct replacement diverter valve pair will eliminate the notorious "honking" sound commonly heard when the OEM valves have failed. Our valves will restore lost power and will hold more boost pressure than the stock units for added performance. In addition, they recover quicker than the OEM valves which allows for better spool after shifts. We designed our valves with a 90 degree vacuum port which allows for additional vacuum line clearance and a trouble free installation. The EVOMS Billet Diverter Valves for the 991TT come as a complete kit, including everything you need for installation.
• Pricing subject to change without notice. • This product may not comply with your local emissions standards. EVOMS is not responsible for emissions compliance, please purchase with care.