Build now & pay later options available through Affirm or Katapult - See more
Don't sleep on these AWESOME Deals! Visit our website today!
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Happy Halloween #teamlethal fans!
Today, we are doing 10% OFF Sitewide Using Code āGHOSTā 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 āGHOSTā 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!
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 ...
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 ā24-ā26 Mustang Ecoboost 2.3L!
Finally Ecoboost owners can turn up the boost and see what the 2.3L is truly capable of with either HPTunersā 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 āPRIMEā 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 āPRIMEā on checkout.
*standard product exclusions*
SHOP NOW | PRIME DAYS at Lethal Performance
NEW KellTrac 2015+ Mustang Rear Subrame Centering Sleeves.
Improve your S550/S650 Mustangās subframe mounting with these sleeves, designed to align the IRS subframe to vehicleās 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 Mustangās subframe mounting with these sleeves, designed to align the IRS subframe to vehicleās chassis, allowing for better alignment, and ultimately, eliminating premature tire wear along with the other various...
Lethal Performance Edition Whipple Supercharger Kits are IN STOCK!
You read that right, weāve 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, weāve 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, weāve 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 streetsā¦Kelltrac has taken everything theyāve learned over the past 10 years from the release of the S550 chassis and implemented it into this system, making it...
Hey #teamlethal fans!
Whippleās Competition Kits are BACK for the 24-25 Mustang & F-150!These Competition Kits are configured in a āStage 2ā setup and perfect for those looking to get Whippleās Gen.6 3.0L Supercharger without the fuel system upgrades or Whippleās Calibration, thus giving you...
Hey #teamlethal fans!
Whippleās Competition Kits are BACK for the 24-25 Mustang & F-150!These Competition Kits are configured in a āStage 2ā setup and perfect for those looking to get Whippleās Gen.6 3.0L Supercharger without the fuel system upgrades or Whippleās Calibration, thus giving you...
Hey #teamlethal fans!
Whippleās Competition Kits are BACK for the 24-25 Mustang & F-150!These Competition Kits are configured in a āStage 2ā setup and perfect for those looking to get Whippleās Gen.6 3.0L Supercharger without the fuel system upgrades or Whippleās 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 transmissionāall wrapped in lightweight carbon aerodynamic upgrades. Our powerhouse punches out an eye-watering 1,049 rwhp on the dyno...