Fuel filter? Clean the MAF. East cheap things you should do anywoo!
Tap on the cats with a mallet and see if they make crazy noises. And or pull the front 02 sensors if it runs slightly better the cats may be clogged.
Project still in progress
Explorer engine, vortech v2,intercooled,bullit intake,derale power steering cooler, b&m trans cooler, oil filter relocation, cobra aluminum radiator, Walbro 255 Pump, Intrax 2in lowering springs, KYB front/back,,mark8 Driveshaft, 1.25Rear sway bar, 3:73 aluminum diff, TrackLok, Rear Diff Cover Brace, Sc Wheels 235/60s, Jmodd, Air Bags in Springs,Rear strut Bar,17in Mirror Blk CobraRs, Sc L Brackets, rear torsional load brace, kmember-frame brace, weightloss program, pbr dual pistons drilled/slotted, stainless lines , recaro seats, sct x4 DonL tuned