Porsche 911 Modified

Porsche 911 Modified

Coupé, 1994


  • 3.8L engine from JOOS Motorsport
  • Original BBS magnesium rims
  • Painted in Porsche Gulf Blue 328

Porsche 964 in 1974 911 RSR look.

Motorsport trailer is available, not included in the price. 3.8L engine from JOOS Motorsport - Original BBS magnesium rims available.

Further detailed information and pictures on request.

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Price:EUR 84,911


Autohaus Stefan & GS Manufaktur
Flugstraße 3
76532 Baden-Baden
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  • Conversion according to "Group H" taking into account the original homologation 3053 and GTN-10 widening of the body according to FIA homologation 3053 (group 4/1974)
  • Front and rear fenders made of GRP
  • Front and rear apron made of GRP
  • Engine cover / spoiler in 2 variants,
  • 1 GRP cover Porsche GT 2 optics,
  • 1 GFK lid whale detail
  • Trunk lid removable
  • GRP front spoiler with large opening for two oil coolers each right + left in the wheel arch,
  • additional inlet openings in the trunk with hose connection to the brake discs,
  • Feeding via air baffles (flaps) Rear side walls Openings with GRP air diversion to the brake discs in a period-specific design
  • Makrolon driver and front passenger windows with sliding windows
  • Side windows and rear window also made of Makrolon
  • Rear window reinforced by two aluminum struts
  • Windshield original laminated glass
  • Painted in Porsche Gulf Blue 328,
  • contrasted with dark blue,
  • Luggage compartment and engine compartment in matt black
  • Racing stickers with foil


  • Coring of the entire interior except for the sheet steel. Painting of the passenger compartment in Porsche Gulf Blue 328
  • Installation of a safety cage from Wiechers, with DMSB / FIA approval 2-435 / 67-S
  • Installation of bucket seats,
  • 6 point belts,
  • Fire extinguishers,
  • Not off for FIA approval keeping the original dashboard,
  • partial conversion with internal fuses for the light cable harness
  • Keyed MOMO three-spoke steering wheel with snap-off lock
  • Aluminum door panels,
  • Aluminum pedals and footrests
  • Shortened shift travel CAE Shifter made of aluminum Race version Installation of a shift lamp with setting of the desired speed
  • Installation of a racing battery for weight optimization
  • Complete removal of the heating and ventilation system,
  • Supply air via direct air hoses,
  • switchable electric blower via fan motor in the trunk


Year of construction: 1994
Model: 911 Modified
Body: Coupé
Series: 911 Backdate/Modified
Mileage: 999 km
Power: - HP
Cylinder capacity: 3,8 Liter
Steering: left
Transmission: Manual
Drive: Rear drive
Interior color: Black
Interior material: Fabric
Exterior color: Blue
Manufacturer color code (exterior): Gulfblau 328
Condition: Accident-free
New/Used: Used car
Ready to drive: Yes

More Information

Elferspot Magazine Porsche Backdate/Modified

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Philipp Göller

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