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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...

A) catted is with catalytic converters that reduces the bad smell that comes from the exhuast, unlike off road when you revv you will be able to smell all the waste. Off road does not have catalytic converters so they usually add 1-3hp more. B) catted is a high flow catalytics. Green, by the...

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.

All the problems you listed is normal with all 2015 convertible model, I own a convertible gt 2015. However; unfortunately, windows only roll down automatically and not up.

There is also roush axle back active exhaust for 2015-2017 gt mustangs, Almost same price as ford racing borla exhaust.

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)...

Lol im not throwing parts just like that and i dont have injectors yet, it will be installed with the intake manifold upgrade and the rest.. But keep in mind I’m also running Fuel race or what you guys call E85. With my injectors these will do just good with E85 as my stock ones will rust from...

Not with a 350 nope, with a 2015 hellcat actually

That would definitely help get me 0-60 in fastest way but unfortunately I’m a street performance guy not a fan of tracks

I have got roush axle back and CAI already installed. Getting 2018 intake manifold 47LU injectors vmp tune 3.73 gear ratio new wheels and tires suspension and sway bars eibach. Next: shocks, 8.8 differential LOK, and long future headers. If I get headers and exhaust system I can reach a...

And for wait reduction, I’m removing my spare tire in the trunk only keep all factors the same

I love your thinking, but I’m curious how is a gen 3 mustang (460hp) and my gen2 is 435 hp which is 25hp difference but gen3 can do a 3.9 sec stock. So I thought by just changing my stock manifold to 2018 manifold ported can achieve atleast 4.1-4.3 giving the fact my car is a convertible. I’m...

My main goal is to get 3.9 sec 0-60mph

Only problem is that I can’t upgrade my exhaust due to being illegal in where I live. Basically loud sounds is illegal and can’t upgrade exhaust

What if I’m upgrading my gear ratio to 3.73 and changing my tires to 305’s in back and 275’s front that way I’m full modded with stock exhaust, will that do anything? And why would injectors be useless? I’m getting extra air to engine and with injectors it will give that perfect combustion..

T Thank you that was helpful

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 heard once you take off intake manifold off, best off to change all gaskets and get a new one