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Just installed Speed Engineering catless headers with off road X. Really didn’t like the way it sounded so I installed some Vibrant 12” resonators. They helped, but not enough. Looking to get rid of the rasp. Anyone come up with a tried and true solution for a good sounding exhaust with 3”...

2021 Mustang GT 30k miles. Just installed headers the day before. Went for a drive and my 401 fuel gauge went from just under a half to empty all of the sudden. Thought it might be the sending unit and replaced it. Still nothing. Removed power for a while and still empty. Any suggestions?

Just trying to get some solid info on selling my Recaros. Just did a seat swap with some Mach 1 leather seats. It went great, I love them. Other than the seat going back every time I shut the car off, I'm happy I made the switch. Now the question: What is a fair price to sell the very good...

I successfully swapped my recap seats for power seats. Everything works but I’d love to disable easy entry on the driver’s seat. Since my car wasn’t equipped with power seats from the factory, there isn’t a setting to disable this feature. Is there a way to do it using Forscan or has anyone else...

I just received my fuel system from Wengerd. I wondered if anyone has installed it. It didn’t come with directions and wanted to know how they mounted and routed the wiring. TIA.

Just wondering where boosted (ess) guys get their e85. Do you trust pump fuel and if so what station/brand? Looking to move up from my 93 and know nothing about the do's and don'ts of e85. Getting ready to purchase a returnless fuel system and injectors from Wengerd.

I have a 2021 GT with Performance Pack and magneride. I bought the car used from a dealership and it had 255’s all the way around. Did any mustangs come with a squared setup from the factory or did the dealership mess up and put 255’s on the rear instead of 275’s? Any way to tell if a rim is 9...

Hey guys, my installer wants me to pick up new plugs for my 2021 Mustang. He’s installing an ESS G3 kit. Running a 120 pulley on 93 octane. I’ve heard one step colder and I’ve also heard oem. What’s the right plug/gap I need for this set up?