depends on how you drive it. i know someone that has an 02 with s1x, gen v, togs, and is still running stock tranny. car dynoed 330. car has ~85k miles i believe.
he did tell me that its showing wear but still goin. so you may get away with stock for a while but if your gonna be puttin track passes on it and are a "spirited driver", ide look into gettin at least the hard parts that fail (you already have 3.29's so thats good). how many miles on the car?
edit: my trans totally went out at 127k miles. at the time it had headers, 3.4, and some other stuff. dynoed 238. so its a hit or miss, just plan on puttin money into it to be safe. again, if you can do the work yourself you can get a trans while yours is still in good shape and sell yours to get some of the money back.
