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...
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...
Good Morning, #teamlethal Fans!
Our Labor Day sales have launched!
Right now, you can save 10% SITEWIDE using code ' LABOR ' ! WITH doing 2X Loyalty Points through 9/2
PLUS: 20% off all Lethal Merch & Apparel!
Alongside the sitewide sale we have up to 20% off some top brands:
MRT...
Good Morning, #teamlethal Fans!
Our Labor Day sales have launched!
Right now, you can save 10% SITEWIDE using code ' LABOR ' ! WITH doing 2X Loyalty Points through 9/2
PLUS: 20% off all Lethal Merch & Apparel!
Alongside the sitewide sale we have up to 20% off some top brands:
MRT...
Our 2024 Mustang Dark Horse hit the dyno at Area 51 Motorsports, laying down 1049.5 rwhp and 751.4 ft-lbs on E85.
Lethal Performance Edition Whipple Gen 6 3.0L supercharger
3.50" Griptec pulley
10-rib kit w/ ATI 20% balancer
1300lb Injector Dynamics injectors
KPM 1500hp Fuel System
Custom E85...
Save 10% on all Roush Performance Products for Mustang, F-150, Bronco, Superduty, and more right now at Lethal Performance.
We’re talking about their Supercharger Kits, Intakes, Exhaust Systems, and Body Kits to transform your vehicle into the beast it was meant to be.
Check out all things...
Save 10% on all Roush Performance Products for Mustang, F-150, Bronco, Superduty, and more right now at Lethal Performance.
We’re talking about their Supercharger Kits, Intakes, Exhaust Systems, and Body Kits to transform your vehicle into the beast it was meant to be.
Check out all things...
Good Morning, #teamlethal fans!
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 Mustang
As always, if you don't see what you're...
Good Morning, #teamlethal fans!
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 Mustang
As always, if you don't see what you're...
Hey, #temlethal fans!
The wait for Active Exhaust Cars is over! AWE’s SwitchPath Exhaust System for 18+ S550 Mustang’s is here!
With AWE’s SwitchPath™, you can retain full factory valve functionality from drive modes to programmable buttons.
- Features slip-fit inlet adapters for a Direct...
Hey, #temlethal fans!
The wait for Active Exhaust Cars is over! AWE’s SwitchPath Exhaust System for 18+ S550 Mustang’s is here!
With AWE’s SwitchPath™, you can retain full factory valve functionality from drive modes to programmable buttons.
- Features slip-fit inlet adapters for a Direct...
Hey, #temlethal fans!
The wait for Active Exhaust Cars is over! AWE’s SwitchPath Exhaust System for 18+ S550 Mustang’s is here!
With AWE’s SwitchPath™, you can retain full factory valve functionality from drive modes to programmable buttons.
- Features slip-fit inlet adapters for a Direct...
Our HPTuners Lethal Performance RTD4 Devices are here and NOW SHIPPING!
Custom Tune your 2024-2025 Mustang GT / Dark Horse, 5.0L F-150, 2.7L Bronco, and more with the new RTD4 tuning device, available with various custom tunes from your favorite tuners, such as Palm Beach Dyno, Lund Racing...
The wait is OVER. Tuning for the S650 Mustang (and other previously locked Ford trucks/SUVs) is UNLOCKED.
HP Tuners heard the call and now has access to allow custom tuning on your 2024-up Mustang GT and Dark Horse.PLUS these other applications:
2022–2025 Bronco 2.7L
2022–2025 Bronco Raptor...
The wait is OVER. Tuning for the S650 Mustang (and other previously locked Ford trucks/SUVs) is UNLOCKED.
HP Tuners heard the call and now has access to allow custom tuning on your 2024-up Mustang GT and Dark Horse.PLUS these other applications:
2022–2025 Bronco 2.7L
2022–2025 Bronco Raptor...
Happy Monday #teamlethal fans!
Our 4th of July is kicking off TODAY with 10% off sitewide using code “FIREWORKS” at checkout* AND we have up to 20% off select brands including Corsa Performance, CVFabrication, MRT Performance, Stainless Works, and MORE!
PLUS, you earn 2X Lethal Loyalty Points...
Happy Monday #teamlethal fans!
Our 4th of July is kicking off TODAY with 10% off sitewide using code “FIREWORKS” at checkout* AND we have up to 20% off select brands including Corsa Performance, CVFabrication, MRT Performance, Stainless Works, and MORE!
PLUS, you earn 2X Lethal Loyalty Points...
Good Morning, #teamlethal FANS!!
Not only do we have ALOT of your favorite brands on sale for our 20th Anniversary but we also are throwing a sitewide sale for Father's Day!
Right now, through the 16th; save 10% with code ' DAD ' at checkout.
Don't forget to checkout all the details of our...