Q-Ball Posted August 30, 2009 Report Share Posted August 30, 2009 I looked online and they have the same part no's for a 1999 as well as 2005. Anyone know if this is for sure? The reason I ask because there is a 04+ Grand Prix GT at my uncle's shop with dual exhaust that I can pull off for free. Quote Link to comment Share on other sites More sharing options...
jeremy Posted August 31, 2009 Report Share Posted August 31, 2009 I put a +04 GTP cat back take off on my '99 GTP when it needed a new exhaust. The fit is identical, however a hanger or two is different but making it work is cake walk.... Quote Link to comment Share on other sites More sharing options...
Q-Ball Posted September 1, 2009 Author Report Share Posted September 1, 2009 Perfect! We also used it to line up my dual bumper cut outs as well. My uncle said since my cat is old, would I want it replaced with the newer cat? Any idea's or would this make my etest better or worse? I know they are practically the same engine, so I dont think it would effect it much. Quote Link to comment Share on other sites More sharing options...
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