Originally Posted by 2013HemiWK2
Sprint boosters don't actually provide more power, they just increase the signal from the throttle to the ECU, making the pedal more sensitive. You can get the same affect by mashing the gas harder if one isn't installed.
Now with that said, I've been tempted to buy one myself just because I find the throttle laggy like you said above.
Even if you mash the pedal hard it is not even close to the response the sprint booster allows. Something else I like about it is that you can adjust the response to throttle input buy simply pushing a button. Sprint boosters do not add any peak power, they do provide more power as having the throttle body open more/faster enhances the powerband.
Regardless if you are considering getting one I would recommend one. They wont give you the power of say a hemi fever tune, but they won't void your engine warranty either,as once you unplug it they are undetectable by service scanning devises.