Read What Others Are Saying

Noticed immediately the difference between stock and Z1 coil packs. ...

Most noticeable change in how smooth the engine ran after draining out the Mobil 1. Would compare it to running ...

Nice fit, high quality, just make sure your dash isn’t sticky so it won’t leave additional fibers behind ...

great product put that in with other suspension items car drives even better ...

changed mine before the plastic one broke on me ...

felt the difference the moment I installed it ...