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52 WWW.HEDMAN.COM Multi-Port Fuel Injection (MPFI) sPACERS%u00b5 NO WHISTLE!%u00b5 Increased Torque%u00b5 Better Fuel Efficiency%u00b5 Quicker Throttle Response%u00b5 Outperforms the Competition %u00b5 Easy To Install. Usually Less Than 30 Minutes%u00b5 Exclusively On Hamburger%u2019s & Trans-Dapt EFI Spacers%u00b5 All Spacers Include Gaskets & Mounting HardwareYour vehicle%u2019s EFI system constantly adjusts the air/fuel ratio to the engine to suite environmental and driving conditions at any given moment. If your engine needs more air, and your throttle body can%u2019t meet that need, your overall performance diminishes. Torque-Curve%u2019s proprietary plenum design technology allows more air to be drawn into the engine by reducing induction turbulence, leading to improved performance from your engine and all its performance add-ons.The diagrams to the right show how Torque-Curve%u2019s unique port design affects airflow through your engine%u2019s throttle body, speeding up flow, allowing a higher volume of air to reach your intake manifold. Since our spacers work by smoothing out airflow, and not by making it more turbulent, they work without creating the whistle typically associated with throttle body spacers. Chassis dyno testing of the Torque-Curve Design, on a 1998 BB Chevy Motor showed an 18+ ft. lbs. torque increase over stock, and 20+ ft. lbs. more than the leading competitor%u2019s spacer. That%u2019s at the rear wheels! See the charts above for test results with an %u201904 GM truck.TORQUE-CURVE%u2122 Spacer technology is available Exclusively on Trans-Dapt and Hamburger%u2019s Performance EFI spacers!%u00b5 50-State Legal DesignsE.O. #D-578-1%u00b5 Cast Aluminum Construction%u00b5 1 Year Warranty%u00b5 Affordably Priced%u00b5 Made In The U.S.A.!%u00b5 CNC Machined%u00b5 Billet AluminumConstruction%u00b5 Limited LifetimeWarranty%u00b5 Made In The U.S.A.!CutViewDyno Proven Performance GainsThe Torque-Curve%u2122 design increases air intake volume and velocity, and conditions air at the throttle blade for the most performance gains from any EFI spacer. You will immediately notice better throttle response and torque.The WIDE-OPEN%u2122 plenum design of these spacers improves mid- to high-end torque. This spacer model is the ideal spacer for tow vehicles, or when frequent, wide open throttle use is required.These are Trans-Dapt%u2019s original spacer design. SMOOTH-BORE%u2122 spacers increase intake volume and velocity to provide mild performance gains across the entire RPM range.THREE MPFI SPACER DESIGNS AVAILABLE TO MEET YOUR PERFORMANCE NEEDS!Billet Aluminum Multi-Port Fuel Injection (MPFI) SpacersPremium ConstructionCASt Aluminum Multi-Port Fuel Injection (MPFI) SpacersStandard-DUTY Construction