no that i have bought the car i want to make it go fast lol

i have a .15 can i go higher?????
the hobby shop guy says no but i figured i would get a second opinian

also i went on tower hobbies and looked at some tunepipes if they do help what area would they help in or would it jus change the sound??????

i dont know what gear ratio im running but i think i want to go with a bigger clutch bell i do know that the black gear coonected to the clutch bell is a 66 does any one have any advice as to what gear ratio might be better out of the hole and still keep my top end

thanks

brandon