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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...

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 ...

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! Today is the LAST DAY to up to 15% OFF AFe intakes ( and more )! SHOP NOW | AFe Mustang As always, if you guys have any questions or concerns; feel free to reach out and we'll be more than happy to assist!

Good Morning, #teamlethal fans! Today is the LAST DAY to up to 15% OFF AFe intakes ( and more )! SHOP NOW | AFe Mustang As always, if you guys have any questions or concerns; feel free to reach out and we'll be more than happy to assist!

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

HP Tuners has just released their Tuning Support for the ’24-‘26 Mustang Ecoboost 2.3L! Finally Ecoboost owners can turn up the boost and see what the 2.3L is truly capable of with either HPTuners’ RTD4 through the TDN or MPVI3 Custom Tuning Device. Using 4 Credits and featuring HPTuners all...

HP Tuners has just released their Tuning Support for the ’24-‘26 Mustang Ecoboost 2.3L! Finally Ecoboost owners can turn up the boost and see what the 2.3L is truly capable of with either HPTuners’ RTD4 through the TDN or MPVI3 Custom Tuning Device. Using 4 Credits and featuring HPTuners all...

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 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...

They're complete kits that include the tune, yes.

Lethal Performance Edition Whipple Supercharger Kits are IN STOCK! You read that right, we’ve got Gen.6 3.0L Lethal Edition Whipple Kits for 2024+ Mustang GT and Dark Horse, ready to ship! Choose from our Stage 1,2, 3, or 4 Kits for your desired build goals, available with a Griptec...

Lethal Performance Edition Whipple Supercharger Kits are IN STOCK! You read that right, we’ve got Gen.6 3.0L Lethal Edition Whipple Kits for 2024+ Mustang GT and Dark Horse, ready to ship! Choose from our Stage 1,2, 3, or 4 Kits for your desired build goals, available with a Griptec...

Lethal Performance Edition Whipple Supercharger Kits are IN STOCK! You read that right, we’ve got Gen.6 3.0L Lethal Edition Whipple Kits for 2024+ Mustang GT and Dark Horse, ready to ship! Choose from our Stage 1,2, 3, or 4 Kits for your desired build goals, available with a Griptec...

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...