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Upgrade your Mercedes-Benz M274 engine with the award-winning Turbosmart Kompact EM Plumb Back VR33. This blow-off valve is the ultimate plug-and-play solution, designed to replace the weak factory plastic diverter valve with a high-performance billet aluminum unit. Featuring Turbosmart’s patented Boost-Balance technology, this valve seals tighter as boost levels increase, preventing the common pressure leaks found in OEM components. With an integrated proprietary solenoid, the Kompact EM series communicates directly with your vehicle's factory electronics, ensuring a seamless installation with no extra hoses, adapters, or complicated assembly required.