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The aFe Silver Bullet throttle body spacer for 2004–2012 GM Colorado/Canyon (3.5L/3.7L) uses a serrated/helix entry design to create controlled turbulence at the intake tract entry, reducing intake whistle while increasing air speed and throttle response. CNC-machined from 6061-T6 billet aluminum with a black anodized finish, it fits using factory mounting locations and includes a gasket for a sealed installation.
aFe Silver Bullet Throttle Body Spacer 04-12 GM Colorado/Canyon L5 3.5L/3.7L
