Originally Posted by daisuke149

You cannot have shorty headers and LTH.

LTH = Long tube headers. Aka headers that are longer. Short = shorter.

LTH will bolt onto the part most consider a "catback exhaust"

With shorty headers you will need HFC or test pipes.

These headers from z1 are not LTH but so far they seem to be the best option out there for making power.

install for LTH and these are about the same except for some say that getting the longer headers up in there to bolt takes a lil more effort.