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  1. LABOR DAY SALES are LIVE at Lethal Performance!

    Hey Mustang Owners! One of the first on our Labor Day Sale line up is going to be Stainless Works! Enjoy 20% OFF MSRP Stainless Works headers and more! If you want to upgrade the performance and sound of your exhaust, Stainless Works has you covered. Check out our line up below: SHOP NOW |...
  2. LABOR DAY SALES are LIVE at Lethal Performance!

    Hey Mustang Owners! One of the first on our Labor Day Sale line up is going to be Stainless Works! Enjoy 20% OFF MSRP Stainless Works headers and more! If you want to upgrade the performance and sound of your exhaust, Stainless Works has you covered. Check out our line up below: SHOP NOW |...
  3. NEW SPE Motorsport Carbon Fiber Intakes here at Lethal Performance!!

    Hey Mustang Owners! SPE Motorsport has released their Carbon Fiber Cold Air Intakes for 24+ Mustang GT and Dark Horse. Upgrade your engine’s performance and engine bay appearance with a high-quality, carbon fiber intake kit from SPE Motorsport. The best part? It works! With dyno proven gains...
  4. NEW SPE Motorsport Carbon Fiber Intakes here at Lethal Performance!!

    Hey Mustang Owners! SPE Motorsport has released their Carbon Fiber Cold Air Intakes for 24+ Mustang GT and Dark Horse. Upgrade your engine’s performance and engine bay appearance with a high-quality, carbon fiber intake kit from SPE Motorsport. The best part? It works! With dyno proven gains...
  5. Least Expensive Performance Upgrades?

    Longtube headers, custom tune and E85 are a great combo which won't break the bank. Doing the headers now also sets you up for success later on down the road when you go with a blower. Feel free to give us a shout if there's anything we can help you with. We've got tons of options on the...
  6. Corsa Sports vs Corsa Xtreme

    I think Jake meant to say that Corsa doesn't offer an Extreme valved axleback system. For axlebacks they offer the sport system. When paired with either an HH or XX it becomes an Extreme valved system. Hope that clears things up a bit. Let us know if there's anything we can help you with.
  7. Longtube catted headers - Questions

    Hey there! You will still see gains with catted headers - the more efficient ones traditionally yielding better gains.. (i.e. green cats). The sound is more similar to stock manifolds than off road headers. You'll hear a difference at idle (usually even less loud than stock) but louder at WOT...
  8. Kelltrac’s all new Rear Knuckle Toe Bearing Kit for 2015+ Mustang is here!

    Hey Mustang Owners! Kelltrac’s all new Rear Knuckle Toe Bearing Kit for 2015+ Mustang is here! Featuring CNC-Machined Billet 6061-T6 construction and QA1 spherical bearings, these units replace the factory rubber bushings that are known to deflect under heavy loads, causing wheel hop...
  9. Kelltrac’s all new Rear Knuckle Toe Bearing Kit for 2015+ Mustang is here!

    Hey Mustang Owners! Kelltrac’s all new Rear Knuckle Toe Bearing Kit for 2015+ Mustang is here! Featuring CNC-Machined Billet 6061-T6 construction and QA1 spherical bearings, these units replace the factory rubber bushings that are known to deflect under heavy loads, causing wheel hop...
  10. Whipple question - what mods get me to mid 800s or pushing 900???

    You'll need to go with new fuel - ease of use being E85. With this, a fuel system is necessary (KPM only until Whipple tuning is unlocked which, hopefully should be soon). The KPM system is phenomenal and we can highly recommend it. With that being said, once tuning is unlocked, I would...
  11. UP TO 20% OFF MRT at Lethal Performance!

    Good Morning, #teamlethal fans! Just a Friendly Reminder about our MRT Sale!! RIGHT NOW, to September 2nd 2025; up to 20% off select items including hood struts and exhaust systems for Mustang, F-150, Explorer ST, and Bronco!! Check out our lineup for MRT in the link below: SHOP NOW | MRT...
  12. UP TO 20% OFF MRT at Lethal Performance!

    Good Morning, #teamlethal fans! Just a Friendly Reminder about our MRT Sale!! RIGHT NOW, to September 2nd 2025; up to 20% off select items including hood struts and exhaust systems for Mustang, F-150, Explorer ST, and Bronco!! Check out our lineup for MRT in the link below: SHOP NOW | MRT...
  13. Catback Opinions: Stainless Works and AWE

    Personally - I love the AWE touring on the coyotes. I find it to be the perfect volume and gives an opportunity to realistically add headers later on. Stainless Works is another fantastic option, so I would urge you to check out videos and see what you prefer. Fitment and quality will be great...
  14. Tune worth it ?

    Hey there! Are you looking to stick to 93 octane? Or go E85? Any further mods down the road? Establishing a tuner to continue your build is important PLUS you'll pickup some power on 93 and even more on E85. For the automatic transmission, as you stated you have, you can expect snappy shifts and...
  15. Lund Tuning with the LRX Now Available!

    Hey Mustang Owners! Lund Racing has released LRX Custom Tuning Support for 24-25 Mustang & F-150 w/ 5.0L V8! Get Custom Tuned with Lund Racing now and enjoy the convenience and features of Lund’s LRX Device. With the LRX’s easy-to-use touch screen and user-friendly interface, it can: Read and...
  16. Lund Tuning with the LRX Now Available!

    Hey Mustang Owners! Lund Racing has released LRX Custom Tuning Support for 24-25 Mustang & F-150 w/ 5.0L V8! Get Custom Tuned with Lund Racing now and enjoy the convenience and features of Lund’s LRX Device. With the LRX’s easy-to-use touch screen and user-friendly interface, it can: Read and...
  17. All about TUNING SUPPORT! - Lethal Lowdown July 2025

    Hey #temlethal Fans! On this episode of Lethal Lowdown it's all about TUNING SUPPORT! If you haven’t already heard, HPTuners cracked the code to the once “unbreakable” ECU on a few different applications, including the ones we’re most excited for, the 2024-2025 Mustang GT/ Dark Horse and...
  18. All about TUNING SUPPORT! - Lethal Lowdown July 2025

    Hey #temlethal Fans! On this episode of Lethal Lowdown it's all about TUNING SUPPORT! If you haven’t already heard, HPTuners cracked the code to the once “unbreakable” ECU on a few different applications, including the ones we’re most excited for, the 2024-2025 Mustang GT/ Dark Horse and...
  19. What was your ride before the DH? And how was it compared to the DH?

    2020 CFTP GT500 with Whipple 3.8L, fuel system and all the mods which I still own. Car went 8.86@163mph. I've mentioned in a lot of my videos and content that I really feel that the DH with handling package and Whipple on it feel very similar to the GT500. Mainly how it drives and feels...
  20. Procharger Tuner Kits for S650 Mustang NOW SHIPPING!

    Hey Mustang Owners! Procharger Tuner Kits for S650 Mustang NOW SHIPPING! With the highly-anticipated custom tuning now available, Procharger’s Tuner Kit for the 2024-2025 Ford Mustang GT & Dark Horse has started shipping. The Tuner Kits include every component included in either of their...





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