Ive got the GMPP Sport 2.5" Catback exhaust for sale if youre worried about warranty, $450 shipped its yours.

 

Gmpp is 2.25

 

sry i dun wanna sound like an idiot but i've done my research but how does the reflashing work..you said bout something being used..i was under the impression that the dealer would be able to flash my pcm to put the appropriate code on it..how do they do it exactly? and wats required for it?..hope its not stupid...dam electronics..haha

 

Ah your right forgot about it being 2.25 sorry.