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New from Whipple is the 2.9L front feed system for the 2014+ GM Truck / SUV with the 5.3L DI (direct injection) motor. This kit brings the HP up from 355bhp to 525bhp with 7.5psi of boost on 91 octane fuel. No fuel system is needed for this set up as is. Dyno sheet for the Whipple test truck (2014 Silverado 1500 single cab, short box, 2wd) is also available to view the power graph (shown in RWHP).