[adriano.ro]

Originally Posted by (F5)

I'm down to a 170 before it would rev out with quick opened throttle, I suspect 168 would be better but I use top end so little in tight trails I don't care much. Results may vary with your gas.

What made the biggest difference was I was using a cat pipe that was gutted. I thought they would be the same and looked same from a rough measure. The original slightly flattened one really woke it up. Not the same.

Cat pipe? What is that?