<p>The 918 Spyder has what Porsche calls "top pipes" or <a href="http://quizcards.info/new-cars/road-tests/reviews/a6185/8-more-things-porsche-918/">top-exit exhaust pipes</a>. <a href="http://flatsixes.com/cars/porsche-918-spyder-cars/porsches-918-spyder-exhaust-exit-top-pipes/" target="_blank">These help the 918</a> save weight (because there's less actual pipe used) and reduce back pressure. The 918's engine is derived from <a href="http://quizcards.info/motorsports/videos/a26880/take-a-ride/">the RS Spyder race car</a> so that's why it sounds more race car than road car.</p>

automatic

Porsche Won't Build Hybrids With Manual Gearboxes

The compromise on efficiency would be too much.

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Here's How Manual and Automatic Transmissions Work
If you've never quite understood what changing gears actually does o…
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Ford files patent on 11-speed automatic...
Well it's one better, isn't it? It's not ten. Ford takes a page out …
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First Drive: 2015 Chevrolet Corvette Automatic
If you're willing to sell your soul, let your left leg deal solely w…
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Photos: 2014 Porsche 911 GT3
The new 2014 Porsche 911 GT3. Automatic only.
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2009 Toyota Highlander 2.7
A forceful 4-cylinder adds economy to this ute's attributes.
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2010 Cadillac SRX
New Caddy crossover goes small in a big way.
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2009 Honda Fit
The fuel-efficient, style-rich 2009 Honda Fit can be yours for only $14,550.
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2009 Subaru Impreza WRX
If at first you don't succeed...simply re-do the car the following year.
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Hyundai Genesis Sedan
Hyundai claims the V-8 version will hit 60 mph in less than 6 seconds.
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2008 Chevrolet HHR SS
With a base price of only $22,995 and a wonderful combination of performance, utility, a quality cabin and thrifty mileage, Chevy's new…
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2009 Dodge Journey
The wraps came off the Dodge Journey crossover for the North American market at the 2007 L.A. auto show.
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2008 Mercedes-Benz C63 AMG
This is one well-trained automobile, fit and ready to rumble with the best that BMW has to offer.
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Porsche Cayenne Hybrid
With at least two years before the Cayenne Hybrid's launch, Porsche isn't talking about prices or volume.
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Top 20 New Cars for 2008: Infiniti G37 Coupe
A vastly improved, more upscale luxury sports coupe.
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Top 20 New Cars for 2008: Lexus IS-F
Lexus tells us its all-new IS-F sports sedan will make more than 400 bhp and 350 lb.-ft. of torque from a 5.0-liter V-8.
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