For Sale: 2003 Ford Mustang in O'Fallon, Illinois

Gateway Classic Cars of St. Louis is proud to digitally present this purpose-built 2003 Ford Mustang Terminator Cobra, engineered from the ground up for track and drag strip domination.By the early 2000s, the Mustang platform had become the backbone of grassroots drag racing in America. Affordable, brutally simple, and endlessly modifiable, the New Edge Mustang wasn't built to impress from a distance - it was built to win from the starting line. This car embodies that era, blending modern drag racing hardware with unmistakable Mustang muscle.Finished in a striking blue with aggressive carbon-fiber accents, this Mustang wears its intentions openly. A VIS Racing carbon-fiber hood, matching carbon trunk lid and spoiler, grille delete, side scoops, and tinted lighting give the car a stripped, functional appearance that favors performance over flash. Out back, a custom parachute mount with a Stroud chute signals that this is no street toy - it's a car built with real speed in mind.What truly defines this 2003 Ford Mustang is what lives between the frame rails. This car is powered by a Kenne Bell-supercharged modular V8, built with longevity and serious boost in mind. The Kenne Bell 2.2L supercharger has just been rebuilt and has approximately 50 miles of use, delivering instant torque and relentless top-end charge.The engine itself is a stock block bored .020 over, fortified with 8.5:1 Diamond forged pistons, ported factory heads, and O-ringed heads to block for enhanced sealing under boost. Total engine build mileage is approximately 1,800 miles, striking an ideal balance between proven reliability and fresh components.Airflow and boost are managed through a single-blade throttle body, JLT cold air intake with a 9-inch filter, and a carefully matched pulley combination consisting of a 3.5-inch upper pulley and 6-pound lower pulley. Charge cooling is handled by a Fluidyne intercooler, paired with a Moroso intercooler tank, ensuring consistent intake temperatures even under sustained load.Exhaust flow is equally serious, with Kooks 1 7/8-inch long-tube headers, 3-inch collectors, a 3-inch Kooks high-flow catted mid-pipe, and 3-inch Kooks Race Bullet mufflers, delivering both performance and a commanding exhaust note. Supporting components include an Odyssey Extreme battery, PCV and EGR delete, and a Moroso catch can to keep the system clean.Engine management is handled by an MS3 Pro standalone ECU, professionally tuned on 93-octane fuel, giving the next owner a powerful yet street-manageable calibration.At the heart of the build is a drivetrain designed to survive and thrive under serious abuse. Power is sent through a Lentech-built 4R70W transmission featuring a manual valve body and backed by a Circle D 4000-stall converter, allowing aggressive launches while retaining electric overdrive for controlled cruising. The stock shifter remains in place, reinforcing the sleeper-like simplicity inside the cabin.Feeding the boosted combination is a return-style fuel system designed to support serious horsepower with stability and headroom. Fuel delivery consists of -8 AN feed and -6 AN return lines, a MagnaFuel 625 fuel pump, a upgraded MagnaFuel filter, and Injector Dynamics 1050x injectors. Fuel is distributed through Fore Innovations fuel rails and regulated by an automotive-grade fuel pressure regulator, ensuring precise control under boost.This fuel system was built not just to support the current configuration, but to leave room for future power increases.The rear end is a fully fortified 8.8 solid rear axle, loaded with Strange 35-spline axles, an S-Trac differential, Ford Racing 3.55 gears, welded axle tubes, C-clip eliminators, and a MAC differential cover. Notably, all rear-end internals have just 50 miles of use, making this assembly essentially fresh and ready for abuse.Suspension setup is where this Mustang truly separates itself. Up front, a UPR tubular K-member and A-arms, coilovers with Lakewood 90/10 shocks, bump-steer correction, caster/camber plates, and a Flaming River manual steering rack work together to shed weight and optimize weight transfer. Out back, AFCO Big Gun shocks, QA1 springs, UPR anti-roll bar, and fully adjustable Racecraft and BMR control arms give this car the adjustability needed to dial in launches with precision. All mounting hardware has been upgraded to 5/8-inch for strength and reliability under load.Stopping power is handled by a manual brake setup, with cross-drilled front rotors, Hawk pads, GT rear calipers to clear 15-inch wheels, and PowerStop rear pads - a configuration chosen for balance, simplicity, and track consistency.Rolling stock is properly matched to the mission: Weld SM71 front wheels wrapped in Mickey Thompson Sportsman rubber, and 15x10 rear wheels fitted with Nitto NT555II drag radials. With roughly 1,000 miles and no burnouts reported, the tires remain in full tread condition.Inside, the car is all business. Aftermarket racing seats, a RaceQuip 4-point harness, Ford Racing steering wheel with NRG quick-disconnect, carbon-fiber interior accents, custom airbag delete panel, and a 10-point roll cage with full frame rails transform the cockpit into a dedicated competition environment. The nitrous system - a Nitrous Express wet kit with remote bottle opener, control panel, and pressure gauge - is fully installed, plumbed, and ready, yet notably never sprayed or tuned, leaving its next owner a clean slate.This 2003 Mustang isn't about nostalgia - it's about intent. It represents an era when Mustangs ruled drag strips coast to coast, and it delivers the hardware, safety, and adjustability demanded by modern racers. Whether you're looking to finish dialing in a competitive track car or want a serious foundation built the right way, this Mustang offers an exceptional starting point.Vehicle Highlights:2003 Ford Mustang - purpose-built track & drag racing buildKenne Bell 2.2L Supercharged Modular V8 (supercharger rebuilt, ~50 miles)Stock block .020 over with 8.5:1 Diamond forged pistonsPorted factory heads with O-ringed heads to blockApprox. 1,800 miles on engine buildSingle-blade throttle bodyJLT cold air intake with 9-inch filter3.5-inch upper / 6-lb lower pulley combinationFluidyne intercooler with Moroso intercooler tankMS3 Pro standalone ECU, professionally tuned on 93 octaneKooks 1 7/8" long-tube headers, 3" collectors3" Kooks high-flow catted mid-pipe3" Kooks Race Bullet mufflersPCV & EGR delete with Moroso catch canReturn-style fuel systemMagnaFuel 625 fuel pumpInjector Dynamics 1050x injectorsFore Innovations fuel railsAutomotive fuel pressure regulator-8 AN feed / -6 AN return linesLentech-built 4R70W transmission with manual valve bodyCircle D 4000-stall torque converter with electric overdriveNitrous Express wet kit (installed, never sprayed or tuned)Built 8.8 solid rear axleStrange 35-spline axlesS-Trac differentialFord Racing 3.55 gearsWelded axle tubes & C-clip eliminatorsRear-end internals with ~50 miles of useUPR tubular K-member & A-armsCoilover suspension with Lakewood 90/10 front shocksFlaming River manual steering rackFully adjustable rear suspension with anti-roll barManual brake setup with upgraded componentsWeld SM71 front wheels / 15x10 rear wheelsMickey Thompson front tires, Nitto NT555II drag radialsVIS carbon-fiber hood, carbon trunk lid & spoilerCustom parachute mount with Stroud chute10-point roll cage with full frame railsAftermarket racing seats & RaceQuip 4-point harnessThis Mustang can be seen at the St. Louis Showroom located at 1237 Central Park Drive, O'Fallon, IL 62269.