The V6 FE has a curb weight of approximately 3,267 lbs as per @Dragoon who weighed his stock on a race scale. The Eventuri is 1/2 lb lighter, and if you got the Aerie titanium exhaust, that's 18.25 lbs lighter than stock. So figure your car is roughly 19 lbs lighter, so a curb weight of 3,248...