No clue why there are seperate packages from them. The 2.0 and 2.3 use the same gear box, clutch, and flywheel. Heck the motors are near identical except for different crank shafts, pistons, connecting rods, and a balance shaft.
A forum community dedicated to Mazda 3 and all Mazda vehicle owners and enthusiasts. Come join the discussion about MazdaSpeed performance, modifications, classifieds, troubleshooting, maintenance, and more!