I’m due for a new set of tires, excuse my noobness but a few questions. As of right now the tires are 255/40/19. I’m allowed to get something like 265’s right, even if those aren’t standard. Would it cause any complications? Another question I have is, more tire more grip right, no downsides...

Howdy all! Anybody ever run 5 star tuning on their eco-stang? I was running an Unleashed tune on my 2015 base model EcoBoost but just slipped into a 2016 premium and wanted to know if 5 Star offered similar quality for a lower price? I'm using a SCT bdx tuner by the way.

Hopefully I'm posting right. I have a 2015 Eco, atm it has IC, Intake, catless dp, and axleback, the catless dp due to my inexperience with this platform causes the vehicle to run very rich and has already practically destroyed my plugs. I plan to get them replaced but need a tuning advisement...

SST Super Stang class open to S550 Ecoboost Mustangs and/or True Street

Picked up this Cobb Accessport off FB. Seller insists its unmarried but I think he is incorrect. The tuner didn't boot at Car On/ Engine Off which was bizzare and it did boot with engine on. No installation screen came up at all. My first thought was that the previous Mustang owner had tuned...