Latest Development: 4.5L GT4 Performance Engine Upgrade

The DeMan Motorsport 4.5L 550+ HP Cayman GT4.5L cars are now available turn key. Select GT4’s completely done with 4.5L, short gears, safety equipment and over 75 other options available to be configured just the way you dreamed of it.

501+ Wheel HP on our Dyno.

LEARN MORE about the 4.5L MORE about the 4.25L

DeMan Motorsport

Exclusive Porsche Service, Performance, and Race Car Builder

DeMan Motorsport

Porsche Specialists

A one-stop shop for all your Porsche needs, DeMan Motorsport offers everything from routine maintenance and service on your daily streetcar to fully built race cars and support.  Please stop in and see our  25,000 square foot facility. – it’s a dream for any Porsche enthusiast!

4.25L GT4 & 4.0L CAYMAN ENGINES | GT4 ROLL Bars & Upgrades | Competition/Track Preparation | Track Support | Used Vehicles Sales | Large Parts Inventory | Complete Collision Body Shop | Restoration | In-house Dyno Tuning

OUR SERVICES

WHY CHOOSE DeMan Motorsport?

With over 30 years of experience, the DeMan team specializes in all this Porsche from engineering championship winning race cars to bumper repair on your street car.  DeMan Motorsport caters to street and race cars alike and is located just minutes from the Tappan Zee Bridge.

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VEHICLES FOR SALE

We normally have a mix of street cars and race cars available for sale.  Our inventory is constantly changing and we are always looking for vehicles for clients so please contact us if you are in the Porsche market to buy or sell.  

VIEW ALL CURRENT INVENTORY

DeMan Motorsport parts

We sell a wide variety of Porsche parts from racing only parts to street car items.  We have a large inventory of factory parts removed from street cars that were turned into race cars including, engines, transmissions, full interiors, wheels, exhausts and much more.  Featured racing parts include brakes, aero kits, exhausts, and wheels. 

VEW ALL PARTS

HAVE QUESTIONS?

SEND US A MESSAGE OR CALL 845-727-3070

CONTACT US