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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...

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

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...

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...

Hey there! We have used Kooks, ARH, and Stainless Works amongst our countless in-house builds here at Lethal Performance. Kooks did release their 2024+ specific LTH to account for the stud position at the driver side header. They are listed HERE. We'd be happy to help out with a set of them -...

The twin TBs have no effect as to whether or not what 2 cans are needed. They still share a common plenum. The engine has a PCV (dirty) side and a CCV (crankcase vent - fresh air/clean) side. The driver side (clean side) primarily draws fresh air into the crankcase from the air filter/ cold...

Corsa Performance falls under our log-in only loyalty pricing.. just make an account and you'll see a difference :)

There will be an active system for the Darkhorse.

Hey guys, we worked with Corsa to get a 2024 Mustang fitted with their xtreme-level catback! We think it sounds AWESOME and cannot wait to see what you all do to your 2024 S650's. What do you guys think?! What will be YOUR first mod? #teamlethal #corsaperformance

Hey there. I've had both a traditional H midpipe and Corsa HH midpipe - there's a difference and it is noticeable, but it's not as drastic as when you go from stock to either of the midpipes. I enjoyed the Corsa HH most when it came to headers and high-flow cats. Let us know if we can help out...