i know this advances your timing 6 degrees, but what kind of performance if any does it give to a stock engine with a pipe?

 

They are telling it adds more get up and go in the low and midrange for the Raptor, they dont plan on giving any HP figures, but do say for $15 its a very noticeable modification. I'd go for it Ive ordered one. All you do is pull the flywheel and replace this key.