Read What Others Are Saying

Great improvement over stock ...

My z feels more responsive and I get pops now paired with my new z1 exhaust ...

Good little mod to do to your car, makes it breathe better ...

I used it to put on a z1 exhaust and it works perfectly ...

Good hardware specially if u are putting new parts allways get new hardware ...

Great product, mayor difference from OEM. Outstanding customer service from Z1. ...