As posted on The Mustang Source forums (referenced originally from Blue Oval News) -
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BULLITT PACKAGE (54B) (Job #2) Not available with: ? Premier Trim w/color accent package (68B),Comfort pack (53B), Cal Special (54C), GT Appearance Pack (54G), Heated drivers/passengers seats (65A), Interior Upgrade pack (18G), Sport Interior Appearance pack w/color accent (18M), Racing stripes, "over the top" (47A) or genuine ford accessory chrome exhaust tips (90E). Requires:
1.GT Premium 140A (Coupe Only)
2.Manual Transmission Includes: ? Ford Racing Power Pack (cold air induction system) ? High Performance Calibration ? Performance Friction Carbon Metallic® front brake pads ? Ford Racing Strut Tower Brace ? Serialization Label on Strut Tower Brace ? Sport Tuned Suspension (shocks/springs/stabilizer bar) ? Modified "H" Pipe ? 3.73 :1 Limited Slip Rear Axle ? Dark Grey Brake Calipers ? 18" Euro-Flange Bullitt Wheels w/Charcoal Satin Finish ? Tire Inflation Kit provided in lieu Space-saver mini spare ? 3 ½" Packed Exhaust Tips ? New Upper Grille w/o Fog Lamps or Pony Badge ? Bullitt Emblem on Faux Fuel Cap ? Black Interior w/upgraded steering wheel ? Sport Leather Seat Appearance ? Unique IP Finish (gunmetal engine turn pattern) ? Aluminum Interior Accents (ball shifter/sill plate/pedal covers) ? Includes spoiler delete/not available with GT spoiler ? Available in Highland Green or Black exterior paint colors