#2419, "RE: SOLD...Stock rs/gs exhaust" In response to In response to 6
>I've gotta "RS" & am looking 4 the "bigger" catback exhaust >that's stock on a GS & Up (I think it's GS, mayB GS-T).
RS, GS, and GST all use 2.25" piping from the catback. There is nothing bigger about either of them. However the GST muffler is said to flow better and have a deeper tone than the RS/GS.