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Jay Leno puts carbon fiber wheels to the test on a Porsche 911 GT3 RS

Jay Leno's Garage usually focuses on looking at cars new and old, speaking to their owners and then Jay taking a drive to see what he thinks. However, Leno throws his usual shtick to the curb this week to do a full product test of the carbon fiber wheels from a company called Carbon Revolution. If you're not interested in hearing about wheels for 18 minutes, don't worry. They get mounted on a Porsche and are tested back-to-back with stock wheels, and Leno takes the 911 for a track test, too.
While carbon-fiber wheels aren't exactly a new idea, Carbon Revolution's goal is to create a lightweight, one-piece product that can be mass produced. The company even claims that it already has a deal with an OEM automaker to offer them on a vehicle in a few years. The key to the technology is that it doesn't need an expensive autoclave to be made.
In the meantime, the company's carbon fiber wheels are available as an aftermarket option for about $15,000 a set, according to the video. They weigh in at about 15.5 pounds each and offer OEM-levels of stiffness, so they could cut some unsprung mass off of a performance car. Watch here as Jay and his mechanic Bernard lap Willow Springs and give their feedback about what they think of this cutting-edge technology.

eBay Find of the Day: Your choice of new, unregistered mid-2000s supercars

If you didn't quite find what you were hoping to see under the tree this year, maybe it's about time you buy yourself something nice. Something like an unregistered 2005 Porsche Carrera GT. The car has never been titled and has just 83 miles on the odometer. With one owner since new, the Carrera GT is likely to be as nice an example as you're likely to find outside of a museum. Porsche only built 340 of these machines back in 2005, and with a 610 horsepower V10 kicking at your spine, you can lap Santa's sleigh next year. Currently, the Carrera GT has a buy it now price of $457,325 with around six days left on the auction.
Not flashy enough for your tastes? Stroll on down to West Hollywood and you'll find a similarly untitled 2004 Ferrari Enzo up for grabs with a sticker of $1.8 million. Technically a Euro-spec car, the Enzo isn't legal to operate on US roads, but could be modified to satisfy Uncle Sam with a little effort. The seller calls this car the "last brand-new Enzo in existence" and with 175 miles on the clock, that may be a true statement. You can head over to eBay Motors for a closer look if you're feeling spendy.

Porsche 911 GT3 RS facing delay over GT3 fire problems?

Porsche has never been afraid to introduce variants of its cars. However, its even higher spec, next-generation 911 GT3 RS may be delayed from its planned launch this summer while the engines in the standard GT3s (pictured above) are replaced.
A delay isn't certain, but executives want to make sure the high-strung mill is no longer a problem before they press forward with another model using it. Germany's Auto Motor und Sport asked Porsche CEO Matthias Müller about pushing back the launch, and he responded that it was too early to say. The company's current focus is making sure the engines get fixed and working on internal measures to prevent this kind of flaw in the future.
When fires claimed two 911 GT3s in Europe, Porsche initially stopped the model's sales and asked owners to stop driving them. It finally diagnosed the blazes as being caused by a loose screw on a connecting rod, which then resulted in crankcase damage and an oil leak. The company is replacing the engines on all 785 affected cars. A source told Autoblog that under 200 customers were actually affected, and the other cars were either at port or dealer lots. Hopefully, the recall doesn't postpone the road-going GT3 RS too far because we want to see what Porsche has up its sleeve.