aFe Silver Bullet Throttle Body Spacers TBS BMW 325i (E46) 01-06 L6-2.5L $100 - $150 height:184

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0si 2009-2010 BMW X3 xDrive30i 2006-2008 BMW Z4 Coupe 3

HA3-SPSS kit features a Sport pressure plate for a nice upgrade

This turbulence increases the air pressure in the combustion chamber resulting in increased horsepower

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aFe Silver Bullet Throttle Body Spacers TBS BMW 325i (E46) 01-06 L6-2.5L $100 - $150 height:184Silver Bullet throttle body spacers create turbulence in the air flow at the point just prior entry into the engine increasing horsepower, torque and improving throttle response and fuel efficiency. Silver Bullet throttle body spacers are constructed out of durable T 6061 billet aluminum and using a unique serrated helix entry to create turbulence at the manifold while eliminating the annoying whistle found in other helix only throttle spacers. This