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I have an auto 2017 mustang. Im just wondering, when u go for hard launches, is it bad for the car to redline or should u be shifting it before that ? What's the deal with that ?

Hi all , so I've started a similar thread. I've never had a chance to drive a supercharged car . My 2017 mustang gt with 435hp or so is the quickest car I've been in . Pulls in 1st gear from a stop are very aggressive . Loud and violent. How I like it . What I'm wondering is , with a...

So I finally installed the high-flow cats which I ordered alongside replacing the H pipe with an x pipe. The high flow cats are 50 cell . And damn am I happy with it . The car is much louder now . I would say at least 30-50% . Which is exactly why I did this . The sound of the exhaust has also...

So I'm still stumped and trying to understand, how does a cat delete make a car so much louder over a high flow cat? I've just ordered 50 cell cats and u can practically see right through these things . So why is it that a delete would be louder than a 50cell cat ? Can someone make sense of...

So due to what I've heard and what I have picked of from some you guys , I have a question here. From what I'm learning from some responses is that a CEL defouler gives false codes to the computer. Hence possibly making the car run lean or rich . I've also read running lean or rich can damage...

Hey guys , so I'm going to go through with a high flow cat install on my gt . They are 50 cell cats . I know that this is going to throw a CEL . So I've been watching a bunch of videos on defoulers and how they actually work to stop the code . Anyone have any experience? Does anyone know if the...

I need to address this again. I have been getting so many mixed reviews. Watching videos people who change their cats to high flow seems to get louder for sure . I called a very well deemed mustang guru and company today. They told me that the stock 2017 mustang gt cats arent very restrictive...

So everytime I do a hard or WOT pull in 3rd and 4th gears going higher speeds , as soon as I'm done the pull I can smell this burning almost egg sulphur type of smell in the car. It happens just about every time. Anybody have a clue what this could be?

I would like to buy some caliper covers from a site much cheaper than american muscle and cjpony . Does anyone know the size of the stock 2017 mustang calipers? The front caliper is just silver and much bigger than the one in the back. Back is silver and quite a bit smaller . Not brembos . Not...

So I currently have 3.55 gears ..thinking eventually of going 4.10 . What kind of mileage change is there from doing the swap ?

So I just made the order . Bought 2 50 cell cats . I'm hoping i did this right . I believe the stock tubes are 2.5" in and 2.5" out for the cats ? Im hoping this will give me some more volume and maybe aggressive sound? Any input?

Hey guys , so I currently have an mbrp race catback . I want the car louder. How much louder would the car get keeping stock headers and installing high flow cats ? I know a cat delete would most likely be louder but how much louder? I'm kind of trying to avoid this option. But I do want it...

Hey guys, so I found a set of wheels but I really liked and in a size that I would like to use. However the offset of the wheels is 22 for both. I've read some people saying that this would be too aggressive has the back wheels in particular would be sticking out a lot. What do you guys think?

Anyone know any good places or websites to go to find well-priced rims? Or somewhere where they have good deals

So have a deal for nitto invo tires and rims 19x11" staggered at $1600 usd . What do you guys honestly think?

From your guys experience, what is the best gripping summer Tire to lay the power down? I've been hearing a lot of things about the Toyo r888r. But somebody else recommended the Pirelli P Zeros. What's your guys take on this?

Hey guys , I have stock 2017 mustang and I need summer tires. What are the biggest tires u can fit on the rear and what do you recommend for the front ? Would 18" front be ok ?

What are the biggest size twin turbos you guys would recommend ? Originally I was thinking SC . But now I'm thinking 2 big twins . 2017 mustang gt . Goal is to reach 800hp . May eventually go more . What do you think ? Would u go bigger than day hellion 62mm ?

Hey guys, so I have a 2017 Mustang. I'm still unsure on how to find what gear ratio I have. But I've been watching a lot of videos saying that changing to 4.10 gear ratio is going to make the car accelerate much harder. Is this true and what do you guys think about this?

Has anyone here made a demon killer yet? If so , what was involved in the process ? What upgrades were needed