Đeman (DeMan Motorsport) – Complete 2026 Guide to the Legendary Porsche Performance Shop in the US
“đeman” in the United States, you’re likely encountering a stylized reference to DeMan Motorsport, one of the most respected Porsche performance tuning and race engineering shops in the country.
The special character “đ” often appears in stylized usernames or international spellings, but in the US automotive world, the name strongly aligns with DeMan Motorsport, founded by Rick DeMan in New York.
In 2026, DeMan Motorsport is widely recognized for one thing above all:
Transforming mid-engine Porsches into 560+ horsepower naturally aspirated monsters.
This is your complete, SEO-optimized, first-page-level guide to Đeman (DeMan Motorsport) — including history, services, engine upgrades, media features, reputation, and why it’s considered elite in the Porsche world.
1. What Is Đeman? Understanding DeMan Motorsport in the US
When people search for đeman in the US, most search data points toward DeMan Motorsport, a boutique Porsche specialist shop based in Nyack, New York.
Company Overview
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Official Name: DeMan Motorsport
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Founder: Rick DeMan
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Industry: Automotive performance & motorsports
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Location: Nyack, New York (Rockland County)
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Specialty: Porsche service, race builds, and high-performance engine conversions
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Experience: 30+ years in Porsche engineering
DeMan Motorsport isn’t a mass-market tuning chain. It’s a precision-focused, enthusiast-driven engineering shop.
Unlike general auto performance garages, DeMan focuses almost exclusively on Porsche vehicles, particularly:
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Cayman GT4
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Boxster Spyder
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718 Series
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911 variants
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Classic Porsche models
Its mission is simple:
Maximize performance without sacrificing reliability.
And that philosophy has earned it national and international attention.
2. Rick DeMan: The Engineer Behind the Brand
At the heart of Đeman is Rick DeMan, a Porsche racer turned engineer.
Rick’s background includes:
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Competitive racing in Porsche 914s
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Decades of hands-on Porsche tuning
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Championship-level race car development
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Custom engine innovation
Unlike tuners who chase flashy dyno numbers, Rick DeMan is known for:
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Mechanical precision
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Track-proven engineering
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Naturally aspirated power philosophy
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Real-world drivability
His frustration with factory GT4 performance led to the shop’s most famous innovation:
The 4.5L Naturally Aspirated Engine Conversion
Instead of waiting for Porsche to build the “perfect” mid-engine monster, DeMan built it himself.
That decision changed everything.
3. The Legendary 4.5L Engine Upgrade (560–606+ HP)
If there’s one reason DeMan Motorsport ranks highly in search results, it’s the 4.5-liter engine conversion.
What Is the 4.5L DeMan Conversion?
A fully re-engineered naturally aspirated flat-six engine upgrade for:
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Cayman GT4
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Boxster Spyder
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Select 911 platforms
Performance Output
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560–606+ horsepower
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Naturally aspirated (no turbo)
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Enhanced torque curve
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Track-ready reliability
This upgrade has been featured in:
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Road & Track
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Hagerty
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The Smoking Tire (Matt Farah)
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Podcasts and YouTube reviews
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Porsche enthusiast forums
One of the most talked-about builds:
The World’s First 606HP DeMan 4.5L GT3 Touring
This isn’t just a tune. It’s a comprehensive transformation involving:
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Engine internals
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ECU calibration
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Exhaust systems
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Gear ratio adjustments
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Custom configurations (75+ options available)
Owners describe it as:
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“Raw”
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“Visceral”
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“Race-car-like but streetable”
In the Porsche community, the 4.5L build is almost mythical.
4. Services Offered by DeMan Motorsport
While the 4.5L gets headlines, DeMan Motorsport offers a full spectrum of Porsche services.
A. Maintenance & Diagnostics
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Oil services
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Electrical repairs
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Battery diagnostics
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Brake service
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Suspension repair
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Collision & bumper repair
B. Performance Upgrades
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Engine builds
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Transmission upgrades
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Dyno tuning
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Custom exhaust systems
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Aero modifications
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Suspension tuning
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Wheel & tire optimization
C. Race Car Development
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Track prep builds
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Competition setup
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Championship race engineering
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Safety cage installation
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Turn-key race car builds
The shop even created Cayman Cup Cars, blending Cayman and GT3 components.
D. Restoration Services
Classic Porsche restorations include:
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Porsche 911
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Porsche 914
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993 GT1
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Jagermeister 935 Race Car
Everything is done in-house, including:
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Bodywork
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Paint
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Safety equipment
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Dyno testing
This vertical integration sets them apart from smaller tuning shops.
5. Location, Contact & US Operations
Headquarters
530 N Highland Ave
Nyack, NY 10960
United States
Located minutes from the Tappan Zee Bridge, the shop serves:
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New York
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New Jersey
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Connecticut
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National clients
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International engine shipments
Contact Details
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Phone: (845) 727-3070
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Email: office@demanmotorsport.com
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Website: demanmotorsport.com
Business Hours
Monday–Friday: 8AM–4PM
Although primarily US-based, DeMan Motorsport has shipped engines and builds internationally to:
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Thailand
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Australia
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Belgium
This global reach reinforces its reputation.
6. Reputation, Reviews & Media Presence (2026 Update)
DeMan Motorsport’s reputation varies depending on the source.
Industry Recognition
Highly respected within:
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Porsche enthusiast communities
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Rennlist forums
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Track communities
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High-performance YouTube circles
Collaborations include:
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M-Engineering
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Fabspeed
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Influencers like Matt Farah
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Comedian Tom Segura’s 591HP GT3 Touring
Social Media Presence
Instagram – @demanmotorsport
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34.7K+ followers
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2,600+ posts
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Dyno videos
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Canyon drives
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Build showcases
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Active posts
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Auction listings
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Podcast clips
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Customer car features
YouTube
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Build walkthroughs
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Race footage
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Dyno sessions
X (Twitter)
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Minimal activity
Mixed Reviews
On platforms like Yelp:
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2.3/5 rating (limited reviews)
However, among serious Porsche enthusiasts, DeMan is widely regarded as:
One of the top mid-engine Porsche performance specialists in the US.
In high-end automotive circles, reputation is often measured by:
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Build quality
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Performance results
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Repeat clientele
By that metric, DeMan Motorsport remains influential.
Why Đeman (DeMan Motorsport) Stands Out in 2026
In a world filled with turbo kits and bolt-on tunes, DeMan’s philosophy is different:
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Naturally aspirated purity
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Engineering-first mindset
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Porsche-specific expertise
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Track-proven upgrades
They don’t just modify cars.
They reimagine what Porsche should have built.
For enthusiasts searching for “đeman US,” what they’re really looking for is:
A boutique Porsche performance shop pushing boundaries responsibly.
And in that category, DeMan Motorsport holds a strong position.
Conclusion
If you searched for đeman in the United States, the most relevant and prominent entity is DeMan Motorsport, the New York-based Porsche performance specialist founded by Rick DeMan.
From the legendary 4.5L 560+ HP engine conversions to full race builds and restorations, DeMan has carved out a reputation in the high-performance Porsche world.
It’s not a mainstream dealership.
It’s not a mass-market tuning chain.
It’s a precision engineering shop for serious Porsche enthusiasts.
In 2026, DeMan Motorsport remains one of the most talked-about names in mid-engine Porsche performance innovation in the US.
Frequently Asked Questions (FAQs)
1. What does “đeman” refer to in the US?
It most commonly aligns with DeMan Motorsport, a Porsche performance shop in New York.
2. Where is DeMan Motorsport located?
Nyack, New York, United States.
3. What is the DeMan 4.5L engine upgrade?
A naturally aspirated engine conversion producing 560–606+ horsepower for Porsche models like the Cayman GT4.
4. Is DeMan Motorsport only for race cars?
No. They service street cars, track cars, and classic Porsche restorations.
5. Is DeMan Motorsport internationally recognized?
Yes. The shop has global customers and has been featured in major automotive media outlets.
