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Message: [QUOTE="Mdub707, post: 204725, member: 107"] I dyno'd 466 rwhp with x-race, stock intake, stock exhaust with cat and muffler in place... do you believe that too? Exactly. I feel the same way. The powermax is a great turbo, but some people are just expecting too much from it. I dyno'd 270 rwhp stock, then did 466 on an x-race tune. I still don't really believe it, but haven't been able to get on another to disprove it. While a tuned FICM might get you 40 rwhp, where is it adding this power? I think it's a little silly to assume it's 40 peak HP on top of what the truck is already making. Reading the reviews of these it seems guys are getting better throttle response, so maybe it is netting 40rwhp, but at a lower RPM range!? The truck might still make the same overall HP on the dyno, but it doesn't mean drivability isn't greatly improved. [/QUOTE]

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