The new Vulcans are better with the plastic intake, but only slightly. There have been small improvements but overall, it is the same engine. The 2004+ vulcans come with the AX4N, although the torque converters are more prone to strip the splines. Thats about it though, overall the same.
2012 Fusion Sport, 56k miles, White Platinum Tri-coat. Every option except nav. 28% tint, Diode Dynamics LEDs, Steeda CAI, Steeda 93 octane SCT Tune, Steeda 22.5mm RSB, Magnaflow Catback, Enkei Raijin
[SOLD]2004 SEL Premium, 72,700 miles, Vibrant White. 35% Tint, K&N Panel filter, Remote Start, 4x Infinity Reference 6832cf, JVC KW-R800BT, Rockford Fosgate 501bd, Bazooka BT1014
1989 Mustang LX 5.0 Vert, White, T5, built motor/driveline, race suspension, fast/loud as f*ck