Porsche 911 Modified

Porsche 911 Modified

Coupé, 1994


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

Porsche 964 in the 1974 911 RSR look.

Motorsport Trailer is available, not included in the price. 3,8L engine from JOOS Motorsport - Original BBS magnesium wheels available.

More detailed information and pictures on request.

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Price:EUR 99,911


Autohaus Stefan & GS Manufaktur
Luisenstraße 4
76571 Gaggenau
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  • Conversion to "Group H" taking into account the original homologation 3053 and GTN-10 wideners of the body gem. FIA homologation 3053 (group 4/1974)
  • Front and rear fenders made of fiberglass
  • Bug and rear apron made of fiberglass
  • Engine cover / spoiler in 2 variants,
  • 1 GFK cover Porsche GT 2 optics,
  • 1 GFK lid Whaletail
  • Trunk lid removable
  • GRP front spoiler with large opening for two oil coolers each in the wheel arch,
  • additional inlet openings in the trunk with hose connection to the brake discs,
  • Feeding via air deflectors (flaps) Rear side walls Openings with GFK Air diversion to the brake discs in period-specific design
  • Slices driver and passenger from Makrolon with sliding window
  • Side windows and rear window also made of Makrolon
  • Rear window reinforced by two aluminum struts
  • Windscreen original laminated glass
  • Paint in Porsche Gulf Blue 328,
  • offset with dark blue,
  • Boot and engine compartment in matt black
  • Racing stickers with foil


  • Coring of the entire interior except for the steel sheet 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 straps,
  • fire extinguisher,
  • Emergency stop for FIA approval Maintaining the original dashboard,
  • Partial reconstruction with internal fuses for the light wiring harness
  • Keyed MOMO three-spoke steering wheel with snap-off closure
  • Aluminum door panels,
  • Aluminum pedals and footrests
  • Shortened gearshift CAE Aluminum Shifter Race Version Installation of a shift lamp with setting of the desired speed
  • Installation of a racing battery for weight optimization
  • Complete installation of the heating and ventilation system,
  • Supply air via direct air hoses,
  • Switchable electric fan 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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