aFe Silver Bullet Throttle Body Spacer 03-06 Nissan 350Z V6 3.5L (VQ35DE) fits_2009-2010`Chevrolet`Corvette~ These covers are very easy

These covers are very easy to install - in fact

Our soft inner layer protects the most delicate paint finishes

Extended Polyphonic Harmonizer muffler core design exits inside the 4

Valved Cat-Back Dual Rear Exit with Single 4

aFe Silver Bullet Throttle Body Spacer 03-06 Nissan 350Z V6 3.5L (VQ35DE) fits_2009-2010`Chevrolet`Corvette~ These covers are very easyaFe Silver Bullet Throttle Body Spacer 03 06 Nissan 350Z V6 3. 5L (VQ35DE) One of the easiest additions to improve low end horsepower and torque to your VQ35 is the Silver Bullet Throttle Body Spacer. The TBS has both a Serrated and Helix combination design, which creates air turbulence in the intake manifold, increasing the air pressure in the combustion chamber. This design also reduces intake whistle that occurs with other helix only designs.