aFe 11-14 Ford Mustang/ 11-14 Ford F-150 V6 3.7L Silver Bullet Throttle Body Spacer - SilverThe serrated helix design creates air turbulence in the intake manifold. This turbulence increases the air pressure in the combustion chamber, resulting in increased performance and improved throttle response. The serrated helix combination design also reduces intake whistle that occurs with helix only designs (US PAT 07055513). This Silver Bullet throttle body spacer is precision machined from 6061 T6 billet aluminum for lightweight, high strength,

Quad Carbon Fiber Tips

This product has been TUV (TUV Materialgutachten) certified for material quality

They also wear out and have to be rebuilt or re-tuned frequently

fluid management

Lightweight Construction (18

the JB4 includes a fully programmable CANbus system

this bearing is made to withstand the high spring pressure & higher RPM's

*Important Fitment Note*

4 - Line Set

Fits: Driver Side (Left) Mk4 Golf/Jetta 2

and add an SAI filter kit above if needed when ordering your intake

They will ship it back to you via the shipping method you choose at the time of check out