go to rsr.com and it says for the gst is is 70mm= 2.75in, the gsx is 80mm, 3



here's the link: http://www.rs-r.com/exmag.htm

they have some nice pics of it too! i think i might get this. if any of you guys do, then post some pics of it on an eclipse.

-------jezreel
hrc stage 1, sfmu, ml, prokits, egt, boost gauge, apexi tt, costum dp, dynotune fp gauge. gst muff, turbo spoiler

nothing like driving with the windows down and the music low: i love hearing the turbo spool, swwwhhhttt!!!!