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From 3/15-4/15 enjoy XX% OFF Corsa Performance Exhaust when you log in to your Lethal Performance account! Corsa Performance is one of the MANY well known exhaust manufactures out there; famous for their no-drone technology and deep toned muscle car sound! I personally run their cat-back on my...

The newest generation of the Ford-4D thermostat (yes, the '96-04 Cobra fitment!) carries even more improvements! Check it out.. now it has a rubberized diaphragm, larger heat motor, and improved cooling efficiency. These are in stock at Lethal... follow the link here!

Looking to boost your Mustang this season? We have a LOT of choices to offer at a great price at Lethal Performance. Wanting to go e85? Need a custom tune? Both fuel systems and tunes are on sale, too! What about exhaust? Clutch? Let's get the best parts, prices, and support all in one place...

Looking to boost your Mustang this season? We have a LOT of choices to offer at a great price at Lethal Performance. Wanting to go e85? Need a custom tune? Both fuel systems and tunes are on sale, too! What about exhaust? Clutch? Let's get the best parts, prices, and support all in one place...

Looking to boost your Mustang this season? We have a LOT of choices to offer at a great price at Lethal Performance. Wanting to go e85? Need a custom tune? Both fuel systems and tunes are on sale, too! What about exhaust? Clutch? Let's get the best parts, prices, and support all in one place...

We know you all have patiently waited for Black Friday this year. And now we bring you a chance for a golden ticket! With over 60 sales and multiple giveaways going on, there's a little something for everyone. Our entire sales line-up can be found here (and there MAY be even more added to it the...

We know you all have patiently waited for Black Friday this year. And now we bring you a chance for a golden ticket! With over 60 sales and multiple giveaways going on, there's a little something for everyone. Our entire sales line-up can be found here (and there MAY be even more added to it the...

We know you all have patiently waited for Black Friday this year. And now we bring you a chance for a golden ticket! With over 60 sales and multiple giveaways going on, there's a little something for everyone. Our entire sales line-up can be found here (and there MAY be even more added to it the...

The long awaited MFP crank support for the 07-14 GT500 is now in stock! These crank supports fit ALL blowers and ALL supercharger pulleys with an ATI balancer (stock OD to 25% over!). Protect that crank today with a MFP crank support. Please let us know if you have any questions!

The long awaited MFP crank support for the 07-14 GT500 is now in stock! These crank supports fit ALL blowers and ALL supercharger pulleys with an ATI balancer (stock OD to 25% over!). Protect that crank today with a MFP crank support. Please let us know if you have any questions!

Happy 4th of July everyone! Our 4th of July sale is now live! Enjoy 10% off site wide now through Monday using the discount code "FIREWORKS" (some exclusions apply) Stay safe and enjoy the weekend everyone! #TeamLethal

After receiving our latest stock order, we have a few MFP Crank Support kits that arrived damaged courteous of UPS. In regards to functionality there are no issues, this is purely cosmetic. Each Bracket has a few nicks and gouges, some more extreme than others. We will be offering these at 10%...

EPISODE 2: THE DIVISIONX SN95 FUEL PUMP HAT Last week we covered the Lethal Performance Return Style harness (Click here if you missed it!). This week in episode 2 of our Fuel System Series, Jared goes over the basics of the divisionX fuel pump hat for the 99-04 Mustang. We use...

EPISODE 2: THE DIVISIONX SN95 FUEL PUMP HAT Last week we covered the Lethal Performance Return Style harness (Click here if you missed it!). This week in episode 2 of our Fuel System Series, Jared goes over the basics of the divisionX fuel pump hat for the 99-04 Mustang. We use...

EPISODE 2: THE DIVISIONX SN95 FUEL PUMP HAT Last week we covered the Lethal Performance Return Style harness (Click here if you missed it!). This week in episode 2 of our Fuel System Series, Jared goes over the basics of the divisionX fuel pump hat for the 99-04 Mustang. We use...

EPISODE 2: THE DIVISIONX SN95 FUEL PUMP HAT Last week we covered the Lethal Performance Return Style harness (Click here if you missed it!). This week in episode 2 of our Fuel System Series, Jared goes over the basics of the divisionX fuel pump hat for the 99-04 Mustang. We use...

EPISODE 2: THE DIVISIONX SN95 FUEL PUMP HAT Last week we covered the Lethal Performance Return Style harness (Click here if you missed it!). This week in episode 2 of our Fuel System Series, Jared goes over the basics of the divisionX fuel pump hat for the 99-04 Mustang. We use...

EPISODE 2: THE DIVISIONX SN95 FUEL PUMP HAT Last week we covered the Lethal Performance Return Style harness (Click here if you missed it!). This week in episode 2 of our Fuel System Series, Jared goes over the basics of the divisionX fuel pump hat for the 99-04 Mustang. We use...

EPISODE 2: THE DIVISIONX SN95 FUEL PUMP HAT Last week we covered the Lethal Performance Return Style harness (Click here if you missed it!). This week in episode 2 of our Fuel System Series, Jared goes over the basics of the divisionX fuel pump hat for the 99-04 Mustang. We use...

Exciting news from Whipple Superchargers & Lethal Performance! This is it, folks: the moment you've all been waiting for... We hope you enjoyed that wonderful, happy video. Did you watch to the end? We hope you did. Did you check out Jared's awesome painting, though?? That's RIGHT...

Exciting news from Whipple Superchargers & Lethal Performance! This is it, folks: the moment you've all been waiting for... We hope you enjoyed that wonderful, happy video. Did you watch to the end? We hope you did. Did you check out Jared's awesome painting, though?? That's RIGHT...

Exciting news from Whipple Superchargers & Lethal Performance! This is it, folks: the moment you've all been waiting for... We hope you enjoyed that wonderful, happy video. Did you watch to the end? We hope you did. Did you check out Jared's awesome painting, though?? That's RIGHT...

Exciting news from Whipple Superchargers & Lethal Performance! This is it, folks: the moment you've all been waiting for... We hope you enjoyed that wonderful, happy video. Did you watch to the end? We hope you did. Did you check out Jared's awesome painting, though?? That's RIGHT...

Exciting news from Whipple Superchargers & Lethal Performance! This is it, folks: the moment you've all been waiting for... We hope you enjoyed that wonderful, happy video. Did you watch to the end? We hope you did. Did you check out Jared's awesome painting, though?? That's RIGHT...

Exciting news from Whipple Superchargers & Lethal Performance! This is it, folks: the moment you've all been waiting for... We hope you enjoyed that wonderful, happy video. Did you watch to the end? We hope you did. Did you check out Jared's awesome painting, though?? That's RIGHT...