Should I change plugs

[Fingerbang]

I'm coming up on mileage that I want to change spark plugs. Should I go to a different heat range and/or just a better quality plug? If so what recommendations.

Cobb stage 1, Turboback exhaust with a cat, silencer removed, and IC hoses.

[GV27]

Try posting in Engine Performance. They'll be able to give you specific recomendations.


Chris