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Cooler air contains more oxygen for more complete combustion and more horsepower
Precision Pipe Routing - Retain factory components and avoid unnecessary trimming
Works with Factory 74mm Throttle Body
The piping is mandrel bent for smooth flow
Upgraded front pipes for optimized performance
aFe Silver Bullet Throttle Body Spacer Kit (46-38004) 1691 Cooler air contains more oxygenSilver Bullet Throttle Body Spacer (46 38004) by aFe. What is inexpensive, takes only a few minutes to install, and results in more power and improved throttle response? The aFe Silver Bullet! The Silver Bullet Throttle Body Spacer installs between your throttle body and intake manifold. It creates turbulence and improves volumetric efficiency for more complete combustion. The aFe Silver Bullet Throttle Body Spacer is an easy and economical way to