Just a quick one, I need some help before I purchase these off a mate. Will VE E2 GTS (LS3) headers bolt straight up to a VFII Redline with the LS3? Also, will using HSV headers void my warranty? Planning to do the HSV Headers and Harrop or DiFilippo Catback. Sorry if this is a repost, I tried using the search but am only semi-literate with computers.