Ruthless Thoughts

Most Powerful A/C Kit for your Vehicle

Why is the Haymaker-S A/C System the most kickass a/c system on the market? There are a lot of reasons. Some are super obvious and some that you might not have thought of. So let’s break it down once and for all.

Why the Haymaker-S

Why the hell not, just look at it. It’s sexy as hell. Have you ever seen an a/c system better looking? Doubt it and if you said yes then you’re lying. But why Haymaker-S for real, well it is the largest a/c system we make. Designed for full-size vehicles with large interiors. It’s a lot more than just a cooling and heating solution, it’s a technical marvel and the best performing system you can get. We took all our best ideas and put them into one complete system. A first-rate design thought out to every detail.

The Haymaker-S will cool very large interiors. I’m talking monster interiors like the suburban, and if it can cool that then your F-100 interior will be an icebox. Its honestly the best all-around system, packing the biggest punch. Hell, the name says it all.

The Breakdown

This Full-Size Climate Control System has A/C & Heat with Infinite Blend between Dash, Defrost, and Floor. The Haymaker -S A/C system is designed for a flat firewall installation. Do you see the killer red bracket? Not only does that just look badass but it allows for custom mounting in your vehicle.

To the right is a breakdown of the toughest aftermarket A/C Kit, the Haymaker-S.


Our multi-mount system makes the installation of this custom A/C system a breeze. No need for fabricating brackets or visible bolt heads. Simply use the template, mark your firewall, weld studs/drill & use the included stainless hex head bolts. We know that you have spent a lot of time working on your vehicle and put tons of care into your project.

The Haymaker-S comes in at 24.625” long, 8.75” deep, and 10” tall. With the Haymaker-S kit, you get everything you need of the interior of your vehicle. Evaporator, fittings, hoses, electronics, and discount on our signature vents of your choice. So doing a complete system will save you tons. But what’s cool about Restomod Air is you can just buy what you need. No pressure at all. Were car guys too so we understand you may have some of the stuff already.


It has the Smart Brain

The Haymaker-S is Bluetooth enabled. What exactly does this mean for you? It means you will have the most advanced technology all the time. The Bluetooth ECU “Brain” of the Haymaker-S a/c system is clearly labeled and flashing LED lights to let you know what is going on every step of the way during installation. Only three cables plug into the ECU. Power, Servo, and Controls; that’s it. If by chance you want to check out more on the Haymaker-S, pull out your phone camera, scan the QR code on the ECU, and get additional information.

Your Haymaker-S a/c system will evolve with every update and never will you have an outdated a/c system again. Every time there is a new feature created or an improvement implemented, your Haymaker-S will have it. Every user will have the ability to control their a/c system with their mobile device. With our most ambitious electronics ever created, you are now able to self-diagnose and troubleshoot your Haymaker-S a/c system.

This is the brains of the operation. This ECU is powerful and allows your Haymaker-S A/C system to perform and operate at a higher level than any kit on the market.


It has S-SERIES wiring system with Switch Technology that allows you to bounce back and forth between the App, the Remote Control, and hard-mounted dash controls. Meaning you do not have to pick between having a controller mounted in your dash, the remote control, or having the app downloaded on your mobile device. Now that’s dope. No one else gives you more options than Restomod Air.

We have you covered

The S-SERIES wiring system with Switch Technology is progressive and allows for higher-level self-diagnostics. Now troubleshooting a problem has never been easier.  Restomod Air’s state-of-the-art software allows you to find the root of a problem within the app quickly and effectively. With a quick scan, you can find out the source of any issue. You can know if the voltage is dropping or if the is compressor clutch firing. The diagnostic app will let you know if servo motors are working or if a door on the system is not closing completely. You will know if you are getting bleed through on the system. There are so many things the diagnostic app can inform you of. And it’s FREE. That’s unheard of in the automotive industry.No longer do you have to spend hours trying to find the cause of a problem.

Wiring the Haymaker-S up is super simple. Restomod Air support is here every step of the way. Either by Tech support or our support section.


Free is Cool

And to top it off we have the switch app. You can use your iOS or Android device to change your mode, temp, speed, check your diagnostics, and more. instantaneous wireless control and feedback of your a/c unit via Bluetooth. We created an app to control your a/c system just in case you do not want to mount controls. Or if you want to have dual controls. Or even if you want to show off that you can control your a/c from your phone. And who doesn’t like showing off some cool shit.