Read What Others Are Saying

This is a must have item if you are using a supercharger. I noticed the difference immediately. ...

Didn’t really notice a difference but it looks really cool. ...

Wow. The car now feels super dialled in. Just perfect. When you do this also change the 2 springs in ...

Amazing my g is now chilling. Had heat issues before after installing the HKS supercharger kit. Now even when I ...

Never thought this would make such a big difference. Thnks Jon. You were right. Also install was a breeze. ...

Def feel the difference especially with OEM spark plugs. ...