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Elevate the performance of your Ferrari 488’s twin-turbo 3.9L V8 with the Turbosmart Kompact EM Series Plumb Back VR31. This award-winning upgrade is the world’s first genuine plug-and-play replacement for the factory diverter valves. By swapping out the prone-to-failure plastic OEM units for Turbosmart’s billet aluminum construction, you gain unmatched reliability and boost-holding capability. Featuring a proprietary onboard solenoid system, this valve integrates perfectly with the Ferrari's factory electronics—no external hoses or complex adapters required. With the patented Boost-Balance design, the valve seals tighter as boost pressures rise, ensuring your 488 remains responsive and powerful in any driving condition.