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Hello, The estimated window is about 2-3 weeks right now, being priority based (first to order / etc). We'd expect a new order right now to -hopefully- be early June. Once the initial craze dies down, I think the lead time will become less and less.

You'll want to go with the EcoF - the green cats are the only ones that are rated to pass emissions. We have the S650 option here: https://www.lethalperformance.com/kooks-1-7-8-ss-headers-h-o-green-catted-connection-kit-2024-mustang-gt-5-0l-dark-horse-1151h432.html Please let us know if we can...

With Kooks being our manufacturer for the headers, you know you're getting quality. We have the flange setup to fit all 15-24 GTs... you gain power on these S650 with new headers, but there may be a CEL. Let us know if we can take care of you...

Both Ford Performance and the OG Whipple kits (plus our future Lethal one) are all offered with a tune. They are complete kits, so you'll require no other mods to get it done! With that being said, yes, Procharger is finalizing their kit, too, and we're super excited to see it. Our offerings...

The Whipple version is inherently cheaper than the FP version (once you add-on the Whipple warranty, the price difference is lessened). Either of the two would be a great choice. Our Lethal version will have more information released soon.

We have Kooks on sale currently (CLICK ME)! We've used Kooks on countless cars (including our '24) and they've always served us very well. We have these in stock, too, so no 8-10 week wait. Let us know if we can assist. Kooks, being 304SS, should last the life of the car! #teamlethal

Ford Performance is releasing their Whipple kit iteration next month and I always find their releases to be a testimate to the reliability. They offer the 3/36k FP warranty if done by an ASE tech/Ford dealership, so they definitely believe the car will be good to go (or they'd offer nothing, at...

Hello! The removal of the STB should not be a concern. The bracing under the car does disallow some suspension upgrades, but we have a package that does fit: https://www.lethalperformance.com/bmr-suspension-2015-mustang-biscuits-and-gravy-package.html The level 1 kit is required - level 2...

The HH is indeed a bit deeper.. plus it's 3" (with stock connects that come with) so if you end up wanting a full Corsa Exhaust, you'd need just the axleback. https://www.lethalperformance.com/corsa-performance-3-stainless-double-hh-pipe-2015-2024-5-0l-mustang-gt-darkhorse-14502.html

Are you leaning more towards one vs the other? Power difference is a non-factor, but the tone is indeed different where the X is a bit more raspy and H is a bit more deep. We carry both - I could link you some videos in a message. Send me one when you can.

Hey there! For systems that increase flow, some added sound is expected, but the AWE system does a great balance of both! https://www.lethalperformance.com/awe-touring-edition-catback-exhaust-dual-chrome-silver-tips-2024-mustang-gt-3015-32650.html We put the switchpath system on our DH and it...

Hello, as others have mentioned, a resonator delete is an easy modification that does not break the bank. We have countless options at Lethal, including the exclusive Corsa HH. This resonator delete is the same one you get with the catback, so you can purchase that one now and complete the...

The last Whipple sale of the year is active again!

Who else is grabbing a Whipple today?!

Now this... this is my personal favorite!

It's tough looking at this thing not installed. Seriously. But it'll be soon. Hopefully next week.

WHIPPLE SUPERCHARGERS ARE ON SALE FOR BLACK FRIDAY! We're going all in on Whipple Superchargers this year with a killer combo special! We have all Whipple Supercharger kits & accessories (including EcoBoost Megacoolers & kits) for up to 15% OFF. (Including the new 2024 Mustang Kits!) But...

Home/Whipple Superchargers are on sale for Black Friday! WHIPPLE SUPERCHARGERS ARE ON SALE FOR BLACK FRIDAY! We're going all in on Whipple Superchargers this year with a killer combo special! We have all Whipple Supercharger kits & accessories (including EcoBoost Megacoolers & kits) for up to...

Hey there! The 24+ systems are going to fit best and are, of course, made for these cars. There may be an ability to retrofit, but that'll be at your own risk, and any sort of conversion to quad tip will require a new valance. Please let us know if we can assist - we can get you setup with the...

This one is BIG! We're happy to announce another option for longtubes on the S650 has hit the market. LTH is now available in three sizes (1 3/4, 1 7/8 [our preferred for most customers], and 2") and three midpipe options (off-road/track, catted, EcoF cat [high hp/boosted])! LTH is...