GT45 Twin-Turbo Package for 1996–2004 Mustang GT 4.6L 2-Valve
Build a custom twin-turbo system around two oil-cooled GT45-style turbochargers and 321 stainless tubular manifolds. This expanded package adds charge-air, oiling, boost-control, cooling, fuel-pressure, and engine-bay support components.
Turbo and Hot-Side Components
- Two GT45-style, oil-cooled turbochargers
- T4 turbine-inlet flanges
- 4-inch compressor inlets and 2.5-inch outlets
- 1.05 turbine A/R
- Two TIG-welded 321 stainless tubular manifolds with 1 5/8-inch primaries
- Two T3-to-V-band stainless adapters and V-band clamps
- 50-foot roll of 1-inch heat wrap
Charge-Air and Supporting Components
- Front-mount aluminum intercooler
- 2.5-inch aluminum intercooler piping kit with listed bends, straight pipes, silicone couplers, and clamps
- Two turbo oiling kits with feed and return lines, fittings, gaskets, and hardware
- Manual boost controller
- Blow-off valve kit
- Battery-relocation kit
- Slim reversible cooling fan with wiring
- Electronic turbo timer
- Fuel-pressure regulator, gauge, and -6AN inline filter kit
- Oil catch can
Listed Fitment
- 1996–2004 Ford Mustang GT with 4.6L 2-valve engine
Important Notes
- This is a fabrication-oriented package, not a guaranteed direct-fit or complete bolt-on system.
- Confirm engine, chassis, transmission, steering, accessory, hood, suspension, and exhaust clearances before ordering.
- Professional fabrication, welding, installation, fuel-system setup, and dyno tuning are required.
- No horsepower output or safe boost level is guaranteed. Final capability depends on the complete engine and supporting combination.