Headers are worth 5-20 percent.
Just duals are worth close to 20%.
Headers come with all sorts of baggage. Duals don't.
Your call on that.
Did you look at all at the "256" cam from Comp?
I thought that was the best bang for buck cam they offered.
No spring change and only 10 less peak HP than the "262" with a MUCH better TQ curve.