I know for long tubes i would need a different midpipe, but what about shortys? I bought my 03 GT with the exhaust already installed, and the owner didnt tell me what kind it was so i have no idea. I need to know if i would have to change out the mid pipe for shortys or full length headers, if i do ill just go with long tubes anyways.

 

you can use the stock midpipe for shorties.

 

I think just about all midpipes except the short midpipes.

 

Shorties might give you 2rwhp. Go with longtubes or don't bother.

 

slp makes a full length x-pipe that you can easily convert into a shorty pipe for LTs