BRAKE, Variable Vane Exhaust - Ford 2011-2014 6.7L F250/F350
Creates up to 110+ retarding horsepower; Delivers up to 60psi exhaust backpressure; Electronically closes off turbocharger vanes to provide engine braking; Helps maintain speeds on descents and curves; Better control of your truck and load.; Different modes including automatic downshifting keeping engine rpm and engine retarding force high; Integrated with the cruise control to automatically accelerate and decelerate to maintain vehicle speed; Easily installs by plugging into existing factory ports; In-dash 'Push To Engage' Button
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