converter

2019 Mustang GT 10r80 about 36k miles. I have this weird hesitation in 5th gear all the time where it shifts into 5th then the rpm’s climb up then drop 200-400 and then go back up and shift like normal. You can hear it in the exhaust as well and sorta feel it. I read in another fourm that the...

Looking for a slightly used 3c converter. If you have something and are willing to ship send me a PM. Thanks