Cobaltdreams
Junior Member
Ok guy im gona be looking at going all hahn race mod for my 2009 SS\Tc what do u guys think i should use for my tune and does any one know if ne of the hahn stuff throws codes at all. Id also like to change my BPV for a BOV just for the nice aggresive Blow off my wife loves that sound driving me nuts to get it any thoughts on what BOV to use would be nice.