Limited slip

[bpatton74]

Hello everyone! I've purchased a 2021 F150 STX 4x4 with the 3.31 gears and it has an open rear differential. It is the Ford 8.8 with the 12 bolt cover (not sure about the axle shaft spline count) and am looking for a truetrac for it but can't find anything that says it fits..

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[AnchorChain]

I believe in the last Gen you could swap in a mustang LSD. Maybe something to look into as I’m sure the new Gen axles are the same