There is no doubt that with a few aftermarket parts, modern Mustangs equipped with the 5.0-liter Coyote engine can generate exponentially more power. With that increase in power often come hardships down the line, specifically in the driveline of the car. Many enthusiasts have voiced complaints about the stock MT82 transmission, which comes on the 2011 and newer Ford Mustangs. Owners mention issues with the transmission not shifting smoothly, and later, that the OE-spec transmission cannot handle the additional power. The good news: there is a plug-and-play, bolt-in solution for this problem, and it is called the TREMEC Magnum XL transmission.

Read more: https://www.fordmuscle.com/tech-stories/drivetrain/the-full-swap-ditching-your-mt82-for-a-tremec-magnum-xl-silver-sport-transmission/