All In Truck Performance

All In Truck Performance Specializing in Duramax Diesel and Allison Transmissions, we support the 06-23 Duramax and 11-22 Powerstroke.

Diesel Performance & Repair Specializing In Duramax Diesel Engine Builds & Transmission Builds. We Offer Expert Advice On Fuel System & Turbo Upgrades Along With Transmission & Torque Converter Packages To Achieve Your Truck's Maximum Potential.

08/28/2026

🎛️📈SMC Tuning is now available for existing 2018-2023 L5P EZ Lynk Customers. 🙌 

If you’ve previously purchased 2017–2023 L5P Duramax tuning from All In Truck Performance through the EZ Lynk platform, you now have the option to upgrade to our new SMC (Switchable Map Control) tuning.

The new SMC file can be found and installed through the ECU Profiles section of the EZ Lynk app. Once installed, you can check the function of and change the switchable Power Maps by following these steps:

1. Turn cruise control off.
2. Hold the cancel cruise control button for a few seconds.
3. The cruise control indicator will appear with a number next to it.
- This number indicates your current Power Map.
4. Use the + and – buttons on your Tap Shifter to move between Power Maps.

If you already have our 2017–2023 L5P EZ Lynk tuning, check your ECU Profiles the next time your EZ Lynk device is connected to your vehicle to see if the SMC upgrade is available.

If you have any questions about the upgrade, installing the SMC file, or using the Power Map switching function, feel free to reach out to the All In Truck Performance team. We’re happy to help.

08/26/2026

🚨💥⚡️ WE’RE SWITCHING-UP THE SWITCHABLE L5P TUNING GAME! ⚡️💥🚨

Introducing: SMC (Switchable Map Control) – An all new way of installing switchable custom tuning on your 2017-2023 6.6L L5P Duramax. Developed entirely in-house, our SMC technology is our proprietary method of integrating multiple custom ECM maps into a single file, allowing you to install switchable custom maps through a multitude of flash tools:

• EZ Lykn (18-23 L5P)
• HP Tuners (17-23 L5P)

Switch between multiple custom Maps using your factory tap shifter without the need to keep a flash tool plugged into your vehicle’s OBDII port.

⚠️ + No More Emissions Message! Thats right! All of our Single and SMC L5P tuning will incorperate AITP’s permanent emissions dash message fix.

‼️But Wait... There’s More‼️All AITP EZ Lynk tuning now comes with TCM Tuning included for FREE!

This gives us the ability to offer the most comprehensive e41 L5P support on the market. Whether you want a single custom tune or need the flexibility of Switchable Map Control we now have an exceptionally broad range of E41 L5P applications and flashing options:

💥 2017–2023 L5P
💥 Single & SMC Tuning
💥 HP Tuners & EZ LYNK
💥 FREE TCM Tuning with EZ LYNK

Our technology. Our tunes. Our way of doing switchable.

Get Your’s Now At 👉 shopallintrucks.com 🇺🇸

08/17/2026

We’ve been working hard behind the scenes on some new products and releases. But some things just can’t be put off, and getting out to Dallas for my wife’s surgery this week is one of them.

Behind the trucks, the dyno numbers, the tuning, and everything we’re building here at AITP are real people, real families, real responsibilities, and people we’ve been entrusted to take care of.

We brought Deborah along for the trip, and it’s hard not to appreciate just how far this truck has come while thinking about what actually matters most:

• Exergy 200% Injectors.
• Exergy 12mm CP3.
• Forced Inductions S491 over:
• Stealth 67mm Mach 2.
• DHD-built 10L1000 transmission.
• 1,040 HP

There’s always another truck to build, another product to release, or number to chase. But sometimes you have to take a step back and take care of the people God has put in your life.

08/14/2026

Here are two AITP tuned truck owners that sent us feedback recently.

Jared Cocanougher and his dually L5P nearly took the sled back to the pits with him, putting down one hell of a pull and dragging it nearly off of the track.

And Josh Bormann backed it up with a more than respectable 1st place finish out of a 40 truck line up after putting down another full-track pull in Iowa! 🏆

It’s awesome to see what our tuning can achieve, but even more rewarding to see our customers enjoying their trucks to the fullest potential. Huge congratulations to Jared and Josh! We’re very proud to have you guys representing AITP. 💪🔥

Harry’s recovery is officially underway, and he’s already eyeing his next dyno competition. 👀
While his new rotating ass...
08/13/2026

Harry’s recovery is officially underway, and he’s already eyeing his next dyno competition. 👀

While his new rotating assembly is out getting balanced at the machine shop Debora decided to swing by and pay him a visit. With a goal to hit the dyno again soon, he’s going to need all of the support he can get! 

If you’re rooting for Harry, help us push him towards the finish line by liking, sharing, and following along as we continue to share the tear down and build. Every bit of support will help!

Harry has officially touched back down at AITP! 🇺🇸First and foremost, a huge thank you to Michael Carrasco for getting H...
08/10/2026

Harry has officially touched back down at AITP! 🇺🇸

First and foremost, a huge thank you to Michael Carrasco for getting Harry out to Kentucky and safely back home from Boosted Blackout this weekend. Getting a truck like Harry to an event like this is no small task, and we really appreciate you making it happen!

And of course, we can’t forget everyone else who played a part in making this such a truly great event.

Big thank you to Stack’d Diesel Specialists for hosting Boosted Blackout and putting together an event that brought so many great people, trucks, and businesses together. We are very proud to be a part of it.

Huge shout out to Luke's Diesel Repair LLC for sponsoring the event and asking us to come out. We so much appreciate you supporting diesel events like this and we wouldn’t have been there without you.

Clay and the entire CAM Performance LLC crew definitely deserve a a lot of credit too. They did an incredible job running the dyno and putting together one hell of a test. That was easily the most intense dyno pull we’ve ever made. It took nearly 1,000 horsepower just to pull through the load with the way the test was set up. We couldn’t have asked for a better crew to put Harry through his paces.

And finally, David Letcher thank you for putting together an awesome edit of Harry’s time both on and off the dyno.

This weekend wouldn’t have been nearly as memorable without every one of you. So thank you to everyone who put in the time, work, and effort to make Boosted Blackout what it was.

We had an absolute blast and are definitely looking forward to the next one! 🤘

How much can Harry take? Well… we found out today! 👀💥 1400 horsepower, 1800 pound-feet of torque, and about 800 RPM stil...
08/08/2026

How much can Harry take? Well… we found out today! 👀💥

1400 horsepower, 1800 pound-feet of torque, and about 800 RPM still left on the table, when the motor said no more. Once that nitrous valve flipped fully open, it was over pretty quick. 💥💨

We’re very happy with the number he was able to put down and definitely learned where dry shot nitrous hit limits lie. While Harry may be down he’s definitely not out. Now it’s on to chapter 3 of his HP journey!

Harry has officially landed in Kentucky for Boosted Blackout.🤘Huge thank you to Michael Carrasco for helping us get him ...
08/08/2026

Harry has officially landed in Kentucky for Boosted Blackout.🤘Huge thank you to Michael Carrasco for helping us get him out here.

While we wait for the dyno to show up Aron is dialing in Exergy 200% injectors and 14mm CP3 and a RevMax 10L1000 built transmission in this beautiful compounded E42 truck.

This oughta get the Haters excited! We’ve got the full bottle one ball valve turn away from either making HUGE power or ...
08/07/2026

This oughta get the Haters excited! We’ve got the full bottle one ball valve turn away from either making HUGE power or punching a hole in our block. Which outcome are you betting on?

Alright folks, Harry is all loaded up! All In Truck Performance is hitting the road to Boosted Blackout hosted by Stack’...
08/06/2026

Alright folks, Harry is all loaded up! All In Truck Performance is hitting the road to Boosted Blackout hosted by Stack’d Diesel Specialists and sponsored by Luke's Diesel Repair LLC this weekend at Beacon Dragway in Paducah, Kentucky! A huge Dyno competition that’s bound to be packed with lots of power and good times. Come hang out, cheer us on, and check out Harry in person. Can’t wait to see you all there!

Address

445 US Highway 385 N
Seminole, TX
79360

Opening Hours

Monday 8am - 5pm
Tuesday 8am - 5pm
Wednesday 8am - 5pm
Thursday 8am - 5pm
Friday 8am - 3pm

Telephone

+14322097095

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