yup your cats have a 7 or 8 year warrenty. look at my sig, my dealer replaced mine with my mods no questions asked.
then again right before my warrenty was up i got new t-top seals, door seals, rack & pinion, main seal( and free labor for new clutch install since the stock clutch was out.....)
the key is go to a place with a cool service manager.
2002z28 ftra, mti lid, slp, baurer tb, slp y-pipe, loudmouth, ls1edit, pro 5.0. BMR lca's, stb, sfc's, ta girdle, chrome ZR1's,new GSD3's. spec 3, NEW NX MAF kit 345rwhp & 362 ft-lbs NA. 12.9 @110 NA with bald gsc's two years ago.