I have never been able to  tell the difference between a real Porsche Duck tail or a replica.  This is what I have found.
If I am incorrect in my research, please correct me. Â I am genuinely interested to know the difference between a real and a replica.
The  Duck Tail  from the 1973 Porsche 911 is one of the most iconic shapes in automotive history.  It is not only  beautiful but functional as well.   The duck tail provided lightness , better engine cooling, and decreases lift especially above 80 MPH and higher.  Ten years ago , I can remember seeing them for sale for $1,200 to $2,000 and thinking the seller was out of his mind.  Who would pay such a high price?  Well in hindsight,  I wish I was that fool.   Today , these Duck Tails can be $5,000 to $10,000 +.  Since the Porsche Company always pushed the limits of technology,  they experimented with fiberglass for aerodynamics and lightness.  The Duck Tails were not made of metal skins, they used fiberglass
1989 Porsche 911 Turbo Cabriolet – 1,313 Miles
Ultra Low Miles
5 Speed Manual
Clear Title
3.3 Liter Flat 6 Engine
Red/ Tan Interior
VIN: WP0EB0932KS070197
Location: Ontario, California
Dealer: CNC Motors (909) 982 4389
Price $299,930 US Dollars
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How often do you find a Porsche 911 with only 1,313 miles? Â Â I’m not sure if its priced appropriately but what an amazing time capsule. Â If you are a collector looking for 1989 Turbo Cabriolet, Â this is going to hard to pass up.
Porsche 911 Carrera RS Lightweight Bucket Seats – Genuine
Location: Los Angeles, Ca
Price $15,000 US Dollars
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These are ultra rare seats. Â Not everyday you can find a set of Genuine RSR lightweight seats. Â Yes, there are replicas out there for much less.
This is a 1960 Porsche 356B Super 90 coupe. It currently has a non matching engine which is a 1600 super engine. Matching engine unknown at this time. It appears to have minimal rust. The floor pans are solid. This is a major restoration candidate but worth doing.