Description
American PowertrainTREMEC MAGNUM XL Transmission Kit Mustang GT 6-Speed 2.80 1st Gear Wide Ratio Transmission Kit for 2005-2025 GT Mustangs.
Have you noticed shifting issues in your 2005-2025 Mustang GT? Especially if you beefed up the motor with power adders and pushed your factory TR3650 (2005-2010) or MT-82 (2011-2025) to the limit? This TREMEC MAGNUM XL 6-speed transmission kit from American Powertrain can be the solution to all your problems!
Features and Benefits:
– SFI-approved steel bellhousing
– Eliminates the semi-remote shifter
– Reuses the OEM hydraulic clutch release system
– Swap-specific steel crossmember
– OE-quality rubber transmission mount
– TREMEC-branded black 6-speed shift knob
– 700 lb-ft torque capacity
The MAGNUM XL features a solid-mount and direct-shift design, solving issues of numb, inaccurate shifts. This kit replaces them with crisp, clean, confidence-inspiring shifts each and every time. It thanks to the transmission-mounted and isolated shifter design.
Specifications:
– 1st gear: 2.97
– 2nd gear: 2.10
– 3rd gear: 1.46
– 4th gear: 1.00
– 5th gear: 0.80
– 6th gear: 0.63
– Reverse: 2.90
Tech Tip: TheTREMEC MAGNUM XL Transmission Kit Mustang GT accept the factory hydraulic release bearing from 2005-2024 GT Mustangs. 2005-2010 Mustangs are a direct plug-and-play with regards to the speedometer.
Additional Notes:
– Customers will need to convert to a 26-spline clutch disc and 1-piece slip yoke style prop shaft (not included).
– 2011-2024 Mustangs will require speedometer recalibration via ECU tuning or a separate plug-in signal converter (not included).






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