ADD 15 horsepower, BBK Performance install and dyno test one their popular performance throttle bodies on this LT1 F Body. The test results show additional 15 rear wheel horsepower and approx 11 ft lb torque. See how easy it is to add throttle response and horsepower with a simple direct fit bolt on. Take a look at all these TPI & LT1 throttle bodies here: http://www.bbkperformance.com/products/throttle-bodies-/gm-throttle-bodies <br /> BBK TPI & LT1 305,350 and 5.7L throttle bodies are designed to increase airflow and improve horsepower from between 10-12 HP depending on vehicle and application.<br /> BBK is the world's number one manufacturer of aftermarket performance throttle bodies for late model EFI performance cars and trucks.<br /> All BBK Performance Power+Plus Series throttle bodies are CNC machined from high quality 356 aluminum castings to ensure perfect OEM quality and fit every time. Features like OEM die stamped throttle linkages, double sealed bearings, o-ringed throttle shafts, make BBK throttle bodies numb

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