1998 Ford Mustang GT

Description

Car runs fine, and has a great sound.  This is (was) a daily driver but decided to get a new car, more suited for traveling with family, so selling this one.
Modifications and recent work:
BBK Muffler System with 2 inch tail pipes
Car has been lowered
Intake manifold replaced 3 years ago
295/35 ZR18 99Y Rear tires - Good tread left
Front tires were just replaced
Both windows have new regulators and glass
A/C runs cold, completely replaced about a year ago
Alternator less than 18 months old
Brake pads and rotors replaced less than a month ago
Issues:
Small misfiring of engine (Computer said #5 and #7 misfiring)
Sometimes gears don't catch when the car gets hot (doesn't happen all the time)
Driver side seat has major wear
Driver side electric seat not working
Bad O2 sensor
Door panels need some clips to better secure them
As with everything, please see the pictures.  If you would like to see other pictures, or have questions - please ask!  I will respond as soon as I can (usually in the evening).  Local pick-up only in the Titusville, FL area.
Thanks for looking!