lethalperformance

Lund Racing Custom Tunes are NOW AVAILABLE for 2024-2025 Mustang GT and Dark Horse! Using the HPTuners RTD4 or MPVI3, Lund Racing now has Custom Tuning Support for Naturally-Aspirated S650 Mustang chassis, including support for E85, Intake Manifold, Cams, Throttle Bodies, Injectors, and more...

The Tunemaker is hard at work putting some impressive numbers down on the dyno at Red’s Performance Garage with some basic bolt on mods! Baseline runs on this 24’ Mustang GT 10 Speed showed 400 WHP / 368.92 WTQ With the addition of a JLT Cold Air Intake Kit & Stainless Works Long Tube Headers...

The Tunemaker is hard at work putting some impressive numbers down on the dyno at Red’s Performance Garage with some basic bolt on mods! Baseline runs on this 24’ Mustang GT 10 Speed showed 400 WHP / 368.92 WTQ With the addition of a JLT Cold Air Intake Kit & Stainless Works Long Tube Headers...

The Tunemaker is hard at work putting some impressive numbers down on the dyno at Red’s Performance Garage with some basic bolt on mods! Baseline runs on this 24’ Mustang GT 10 Speed showed 400 WHP / 368.92 WTQ With the addition of a JLT Cold Air Intake Kit & Stainless Works Long Tube Headers...

Check out Thermal R&D’s Catback Exhaust System for 2021+ Ford F-150 5.0L V8! https://www.lethalperformance.com/thermal-f150 Engineered to enhance your truck’s performance and sound without that nasty cabin drone, the system features T304 stainless steel construction with 3-inch, mandrel-bent...

NEW! - Kelltrac Billet Rear Adjustable Ride Height Kit for 2021+ F150 Raptor. Easily adjust your truck’s factory rear suspension height without changing the coil springs, whether you’re looking to lower it to get rid of that rake or lift it for more aggressive stance. With just the Kelltrac...

NEW! - KellTrac 2015+ Ford F‑150 Rear Bumpstop Kit Purpose-engineered for lowered 2015–2025 Ford F‑150 trucks, these bumpstops help retain full suspension travel, thus increasing ride quality, and preventing constant bottoming out when the truck is lowered or under load. - Improves ride...

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...

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...

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 Friday, #teamlethal fans! If you're rocking a 2024+ Mustang, it's time to finish the look and sharpen your edge with the DX Carbon Carbon Fiber Dark Horse Style Spoiler w/ Gurney Flap—a true track-inspired upgrade with street-legal attitude. NOTE: These spoilers will ship in roughly 4-6...

Happy Friday, #teamlethal fans! If you're rocking a 2024+ Mustang, it's time to finish the look and sharpen your edge with the DX Carbon Carbon Fiber Dark Horse Style Spoiler w/ Gurney Flap—a true track-inspired upgrade with street-legal attitude. NOTE: These spoilers will ship in roughly 4-6...

Good Morning, #teamlethal Fans! We've got sales on sales on sales going and we can't forget about the Ford Performance ProCal device and tune! Enhance the performance of your 2.3L or 2.7L engine in your 2021-2024 Bronco. The Ford Performance engineered and dyno tested calibration delivers the...

Good Morning, #teamlethal Fans! We've got sales on sales on sales going and we can't forget about the Ford Performance ProCal device and tune! Enhance the performance of your 2.3L or 2.7L engine in your 2021-2024 Bronco. The Ford Performance engineered and dyno tested calibration delivers the...

Good Morning, #teamlethal Fans! We've got sales on sales on sales going and we can't forget about the Ford Performance ProCal device and tune! Enhance the performance of your 2021-2023 F-150 3.5L EcoBoost engine with the Ford Performance Parts calibration. Ford Performance Parts calibrations...

Good Morning, #teamlethal Fans! We've got sales on sales on sales going and we can't forget about the Ford Performance ProCal device and tune! Enhance the performance of the 3.5L EcoBoost engine in your 2021-2023 F-150 Raptor. Ford Performance Parts calibrations are engineered and dyno tested...

Good Morning, #teamlethal Fans! We've got sales on sales on sales going and we can't forget about the Ford Performance ProCal device and tune! Enhance the engine performance of the 3.0L EcoBoost engine in your 2024-2025 Ranger Raptor! Ford Performance Parts calibrations are engineered and dyno...

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...

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...

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...

Give Him the 9 Inches He’s Always Wanted…of suspension travel, of course. The KellTrac S550 Long Travel Drag Coilovers are an industry-first, purpose-built solution for serious S550 drag racers—from high-9s daily bruisers to full-send 7-second setups. These coilovers aren’t just...

Celebrate 20 Years of Lethal Performance with BIG SAVINGS on our favorite brands, like Mcleod Racing, SPE Motorsports, Thermal R&D, and more! We're just kicking off our 20th Anniversary Sale, where we're bringing the heat with some of the biggest sales of the year on the brands you want. Help...