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 IN STOCK - LOW 46-34018The serrated/helix design creates air turbulence in the intake manifold. This turbulence increases the air pressure in the combustion chamber, resulting in increased performance and improved throttle response. The serrated/helix combination design also reduces intake whistle that occurs with helix-o... aFe Silver Bullet Throttle Body Spacer 04-12 GM Colorado/Canyon L5 3.5L/3.7L 2006-2008 Hummer H3 Base 2007-2008 Hummer H3 X $142.12 |