aFe Silver Bullet Throttle Body Spacer Kit (46-35008) 2522 Our engineers dropped the BMW

Our engineers dropped the BMW M4 down 4

Excludes non-TCS equipped vehicles

This allows the turbos to work more with less restriction and reduce the waste-gate duty cycles

Tail pipe set (Carbon) has to be ordered separately as a mandatory part

there are a plethora of upgrades that elevate the 9A2 Evo engine head and shoulders above the previous 991

aFe Silver Bullet Throttle Body Spacer Kit (46-35008) 2522 Our engineers dropped the BMWSilver Bullet Throttle Body Spacer 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 increase