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I have a mustang 2015 gt convertible with 3.55 gear ratio and I want to upgrade to 3.73 gear ratio but is it worth it? First my aim goal Is to go full NA with my car (headers, 2018 manifold ported, xpipe, injectors, suspension kit ect..) but I’m a street racer and I’m a big fan of roll outs...

What is the difference from a custom tune vmp done on dyno to that sct vmp device? Do they both give you the same horse power? And last what is the pros and cons of owning either sct device or a custom tune

Hello guys, I have heard some mustangs with a nice popcorn or fireworks sound that sounds so sexy honestly. I’m wondering what is the correct setup for this. I own a mustang gt convertible 2015 with roush axle back exhaust and roush air intake no tune.

When they talk about boost and size of pulley in superchargers this thing which I don’t understand. So the higher the psi the faster or slower? And in size if pulleys usually they higher the size of pulley the slower it is?

I have a 2015 gt convertible mustang and thinking to get 305’s rear and 275’s front. With this setup will this be an understeer or oversteer issue? How can I reduce that issue of under/over steer? (Keep in mind I have eibach sway bars, eibach lowering spring and ford racing shocks and strut)...

Hello, I have 2015 gt mustang convertible and recently bought 2018 intake manifold ported, 47lb injectors along with roush air intake and roush axle back. I also bought suspension eibach with sway bars and soon changing my wheels and get wider tires (305’s rear 275 front). First question: Do I...

I’m going to upgrade my 2015 gt intake manifold to 2018 intake manifold ported but I’m wondering does that require me to change the gaskets? Knowing that my milage is 70k+ km

Hello Mustang team I own mustang GT 2015 convertible and I want to change my 6 speed shifting automatic to 8 speed shifting automatic basically from 2015 to 2018 mustang. Is that possible? I see a lot changes the intake manifold to 2018 intake manifold but no one thought of changing the...