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The double H is technically the resonator delete so yes that will indeed work with the axle back in that way. Stephen

The Christmas Sales are quickly adding up here at Lethal Performance, today (and the bonus day) we have Vengeance Clutches on sale with 20% off. Those of you that are looking for something to handle 850wtq without compromising the ability to drive on the street will want to take a look at what...

The Christmas Sales are quickly adding up here at Lethal Performance, today (and the bonus day) we have Vengeance Clutches on sale with 20% off. Those of you that are looking for something to handle 850wtq without compromising the ability to drive on the street will want to take a look at what...

These new generations of Whipple are super impressive. You no longer have to worry about heat soak or robbing yourself of power on track day. I would absolutely grab a Whipple for track day especially with how cheap they are with the Black Friday/Cyber Monday sale that ends today. If you have...

E85 is 100% worth it if you have it in your area. It is particularly beneficial to those with boosted applications as the detonation protection is quite a bit better with the extra heat. I wouldn't hesitate to throw E85 even on a bolt on car however as Coyote cars do respond well to it. If you...

That does not look like a MMR or Boundary sprocket, I wouldn't take the chance personally. However, if you are indeed looking for a set of billet gears and crank sprocket, feel free to reach out anytime as we have the best prices on the sets out there. Lethalperformance.com

Its worth it for the sound imo but another version would be the roush H pipe which is a bit cheaper but offers a close enough tone to it. https://www.lethalperformance.com/roush-422119-2015-2019-mustang-gt-resonator-delete-h-pipe.html

You won't have issues with any of it honestly. The only two parts that may eventually have problems depending on what you do with the vehicle, would be the axles and the driveshaft. But you won't have problems with them if you just drive it on the street. If you take it to the track, wheel hop...

The Corsa double H pipe is usually all you need if you are looking to go back to a stock catback. You'll typically find that it gives these cars just the right tone and volume to be content with. If you have any questions about them, feel free to reach out as we do offer some good deals on them...

All 3 will tune easy so that won't be an issue. I've personally seen the VMP and the PMAS both do very well on the 2.3s without issue. I don't think you'd go wrong with either one honestly. If you have any questions about either, feel free to reach out anytime. Lethalperformance.com

I would agree with trying out a resonator delete first and see how you like the change with that. The Corsa double H pipe is a good start that most people will say is all you need. I have one on mine and have never felt the need to get an aftermarket axle back because of how good it sounds...

As others have stated, buying the tune initially to have it ready isn't a bad idea but most tuners will have your file ready within 24 hours or less either way. I've never been waiting more than a day or two for a revision or base file. The stock 2018 intake will work well enough however I would...

You will get some good gains out of that setup, say around 50-60 however I would personally stick with the stock throttle body and if you hadn't planned on it, look into E85 as it is hands down going to be the biggest benefit for you. If you have any questions about what compliments your setup...

That couldn't be further from the truth unfortunately lol.

Depending on your HP goals, I would recommend while you're doing it to just throw on a set of OPG and a crank sprocket as well to get it knocked out of the way for cheap insurance. If you're not comfortable with removing the timing chains and cover, at that point I'd just have a shop do it all...

The best way to do it with how these cars are setup is to do long tubes that come with the mid pipes as well. We actually have a killer sale on Stainless Power headers that bolt right up to your factory style system in stock and ready to ship. Take a look and let me know if I can help you out...

The quiet mode on these cars really does help. I have a catless setup and the H pipe on mine and in quiet mode, its still very manageable. I will say this, as someone who leaves early in the morning, there is no true way to start the car in quiet mode fully. What will happen is, you can hit the...

You absolutely will need a tune with the 18+ intake manifolds. We have a couple of options that shine very well with those intakes and provide worthwhile power out of them. Lund Racing and Palm Beach Dyno are both two of the best tuners are the markets for these cars. Hit me up if you have any...

The issue there is that most people that are running flex on these cars, are doing so with less ethanol than that and the widebands just don't work well for boosted applications that do not wish to run full e85. This is why tuners like Lund prefer not to use flex tunes for boosted S550s. I am...

If you have the fuel readily available I would 100% make the change. Like others have stated, it has incredible benefits, especially when you're in California and octane limited. I would personally skip the Flex fuel tune and just do the straight E85 option as these vehicles are only able to...