If the duels are done right you will not loose power! anyone who knows enough about cars can set it up for you. Just leave the stock resonator on and you will be all good.Anyone who knows me knows how much power my box has.
You don't buy it!!
You build it !!!
Alpha Squad Nor-Cal Nor-Cal Scions The Scion Mafia
"SEMA Feature car 2006 , 2007,2008,2009,2011 for Kyowa Racing,Killer Glass, Weapon-R."