You are not going to get BIG gains from a stack. We are talking on the order of 1-5% here, BUT, BUT for a $100 and a 5minute installation, I will be hardpressed to find more inexpensive, easier to install mod with the return. The gains are generally seen across the whole powerband as well, Not a Volumetric Effeciency shift like many of your "breathing mods" (ie. intake, header, exhaust, cams, etc)Originally Posted by KevinT707
I will also extend the offer, that for anyone individual willing to dyno test our stack before and after, we will send a complimentary stack or refund the cost of a stack.




. If the velocity stack makes power then lemme borrow it sometime ..
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