aFe Silver Bullet Throttle Body Spacer 03-06 Nissan 350Z V6 3.5L (VQ35DE) fits_2009-2010`Chevrolet`Corvette~ Extended Polyphonic Harmonizer muffler core

Extended Polyphonic Harmonizer muffler core design exits inside the 4

These covers are very easy to install - in fact

AWE Tuning BMW F3X 335i/435i Performance Mid Pipe

Borla CrateMuffler SBC Hot 350/383 3

It's all about the finishing touches that make a big difference for your C5 Corvette

aFe Silver Bullet Throttle Body Spacer 03-06 Nissan 350Z V6 3.5L (VQ35DE) fits_2009-2010`Chevrolet`Corvette~ Extended Polyphonic Harmonizer muffler coreaFe 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.