sales

Happy Halloween #teamlethal fans! Today, we are doing 10% OFF Sitewide Using Code “GHOST” at checkout! *Standard Exclusions Apply, See Site for Details* As always, if you don't see what you're looking for; feel free to reach out if you have any additional questions!

Happy Halloween #teamlethal fans! Today, we are doing 10% OFF Sitewide Using Code “GHOST” at checkout! *Standard Exclusions Apply, See Site for Details* As always, if you don't see what you're looking for; feel free to reach out if you have any additional questions!

Regardless of the supercharger system you pick for your ride, whether it be a Centrifugal or Root-Style unit, it’s got to have a pulley to spin the rotors/turbine inside the head unit to make boost. The pulley is what makes the whole system function, allowing as much boost as you want, depending...

Regardless of the supercharger system you pick for your ride, whether it be a Centrifugal or Root-Style unit, it’s got to have a pulley to spin the rotors/turbine inside the head unit to make boost. The pulley is what makes the whole system function, allowing as much boost as you want, depending...

The Future of Tuning is here... Introducing the HPTuners MPVI4! The newest generation of MPVI Devices feature: - Faster Transfer Speeds: Dramatically improved wireless transfer speeds for faster, more efficient tuning thanks to the MPVI4's WiFi capability. - High-Speed Standalone Data Logging ...

Good Morning, #teamlethal fans! From now until 11/3; save 30% OFF Headlights & Tail Lights for your 2015-2023 Mustang! Check out the links below! If you need any further assistance, don't hesitate to reach out! LED Headlights (Pair) (2018-2022 Mustang) - FL0009...

Good Morning, #teamlethal fans! From now until 11/3; save 30% OFF Headlights & Tail Lights for your 2015-2023 Mustang! Check out the links below! If you need any further assistance, don't hesitate to reach out! LED Headlights (Pair) (2018-2022 Mustang) - FL0009...

Hey, #teamlethal fans! Starting today through 10/27/2025; you can save up to 15% OFF intakes ( and more )! Advertised as up to a 28HP gain, you can't go wrong with an AFe Intake! SHOP NOW | AFe Mustang

Hey, #teamlethal fans! Starting today through 10/27/2025; you can save up to 15% OFF intakes ( and more )! Advertised as up to a 28HP gain, you can't go wrong with an AFe Intake! SHOP NOW | AFe Mustang

Good Morning, #teamlethal fans! That's right, PrimeDays are back here at Lethal Performance! Right now, save 10% OFF Sitewide using code “PRIME” on checkout. *standard product exclusions* SHOP NOW | PRIME DAYS at Lethal Performance

Good Morning, #teamlethal fans! That's right, PrimeDays are back here at Lethal Performance! Right now, save 10% OFF Sitewide using code “PRIME” on checkout. *standard product exclusions* SHOP NOW | PRIME DAYS at Lethal Performance

NEW KellTrac 2015+ Mustang Rear Subrame Centering Sleeves. Improve your S550/S650 Mustang’s subframe mounting with these sleeves, designed to align the IRS subframe to vehicle’s chassis, allowing for better alignment, and ultimately, eliminating premature tire wear along with the other various...

NEW Kelltrac X-Series Viking Crusader Coilover Kit for S550/S650 Mustang! Perfect for those 1500+HP builds who see limited time on the streets…Kelltrac has taken everything they’ve learned over the past 10 years from the release of the S550 chassis and implemented it into this system, making it...

Morimoto’s ALL NEW XB Gen II LED Headlights for 18-23 Mustang are here! Initially released for the 15-17 Mustang, Morimoto has finally brought their Gen. II styling and features over to the 18-23 Mustang chassis. Just like the 15-17 version, they feature Triple Bi-LED projectors, not only...

Morimoto’s ALL NEW XB Gen II LED Headlights for 18-23 Mustang are here! Initially released for the 15-17 Mustang, Morimoto has finally brought their Gen. II styling and features over to the 18-23 Mustang chassis. Just like the 15-17 version, they feature Triple Bi-LED projectors, not only...

Morimoto’s ALL NEW XB Gen II LED Headlights for 18-23 Mustang are here! Initially released for the 15-17 Mustang, Morimoto has finally brought their Gen. II styling and features over to the 18-23 Mustang chassis. Just like the 15-17 version, they feature Triple Bi-LED projectors, not only...

Hey #teamlethal fans! Whipple’s Competition Kits are BACK for the 24-25 Mustang & F-150!These Competition Kits are configured in a “Stage 2” setup and perfect for those looking to get Whipple’s Gen.6 3.0L Supercharger without the fuel system upgrades or Whipple’s Calibration, thus giving you...

Our 2024 Mustang Dark Horse is a show-stopping, four-digit supercharged monster featuring a Gen.6 3.0L Whipple Supercharger, E85 fueling, and a RSA-built 10R80 transmission—all wrapped in lightweight carbon aerodynamic upgrades. Our powerhouse punches out an eye-watering 1,049 rwhp on the dyno...

Our 2024 Mustang Dark Horse is a show-stopping, four-digit supercharged monster featuring a Gen.6 3.0L Whipple Supercharger, E85 fueling, and a RSA-built 10R80 transmission—all wrapped in lightweight carbon aerodynamic upgrades. Our powerhouse punches out an eye-watering 1,049 rwhp on the dyno...

Something we’ve never done before… We’re launching the SPE Motorsports S650 Twin Turbo Kit as a Lethal Performance exclusive! Here’s why this matters: This is the first twin turbo system that doesn’t make your engine bay look like a science experiment gone wrong. SPE spent years perfecting...