Demon Speed Motorsports, LLC

10/11/2026

A 4.2-liter engine in a Cup car? That gets our attention.

Manthey is celebrating 30 years with two limited-production race cars: the 911 GT3 Cup MR 30 and the 718 Cayman GT4 RS Clubsport MR 30. Just 15 of each will be built.

The Cup gets the bigger engine, but the cooling, brake airflow, and aerodynamic changes are worth a look, too. There’s a lot more to a complete track package than horsepower.

If you had a day at Mid-Ohio with either one, which would you take—the Cup or the Cayman?

Closer to perfection Manthey unveils two limited-edition race car models to mark its 30th anniversary Company 30 years of continuous development: The Porsche 911 GT3 Cup MR 30 and the Porsche 718 Cayman GT4 RS Clubsport MR 30 represent the current pinnacle of development for two iconic model rangesT...

10/09/2026

Looking for Porsche performance parts, racing equipment, and motorsport products? Find them all in one place. 💻🏁

Visit www.demonspeed.com to browse products, learn more about our offerings, and find the right equipment for your setup.

Questions? Call (216) 333-1200.

10/08/2026

Noah from Demon Speed Motorsports walks you through the essential 997.2 stub bolt rebuild kit. Discover the benefits and the tools you'll need for a successful installation. Keep your performance vehicle in top shape. #9972

10/07/2026

Looking to get more from your Porsche? From improved cooling and aerodynamics to better handling, recovery equipment, and pit tools, the right parts can help you build a setup that fits your driving needs. 🏁🔧

Explore Demon Speed Motorsports parts and equipment at www.demonspeed.com or call (216) 333-1200 for more information.

10/06/2026

A big shoutout to our longtime customer Andrew Bishay on winning the Super Touring 1 class at the NASA Championships!

Finishing with a sizeable 47 second victory, were proud to offer our support and cheer Andrew on. We're excited to see where you're headed next!

You can see the whole writeup here: https://nasaspeed.news/race-coverage/2026-nasa-champions-join-the-legends-of-sebring/

10/06/2026

Combat Brake Fade with Caliper Piston Pucks - https://mailchi.mp/985a44804a9a/newproductvideo-17999376

10/06/2026

See the difference with these specialized jack stands for Cup cars and Clubsports. They feature a unique socket for seamless integration with air jacks, offering a substantial lift of 15.5 inches. Get the clearance you need for trackside or shop work.

10/05/2026

Buying performance parts is one thing. Getting the right support during installation can make the whole process easier. 🔧🏁

Have questions about installation, fitment, or our products? Reach out to Demon Speed Motorsports at (216) 333-1200 or visit www.demonspeed.com.

10/02/2026

Upgrade your aero setup with the GOODAero Carbon Fiber Wing, built for enthusiasts who want added performance without unnecessary weight. 🏁🔧

Its carbon fiber construction offers a strong, lightweight solution for performance-focused builds, making it a great addition for track and race applications.

Ready to upgrade your aero? Contact Demon Speed Motorsport at (216) 333-1200 or visit www.demonspeed.com to learn more.

10/01/2026

Understand how to pick the right size for your cooling system and learn about all the essential components that make up a complete setup. Get it right from the start for optimal comfort.