Designed to fit the intake area of your GMC Sierra, aFe's throttle body spacers cause incoming air to tumble. This improves atomization of the air mixture before it enters the combustion chamber, thus helping the engine to operate more efficiently.
Features:
Throttle body spacers improve the atomization of the air mixture entering the combustion chamber of your engine, causing your engine to operate more efficiently. Using a helix design with serrated entry, aFe's throttle body spacers cause the air to tumble and mix for complete burn, resulting in increased horsepower and torque and improved throttle response.
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