WHAT'S INSIDE: ENGINES

The Car Engine Information Channel explores engine performance, maintenance and new fuel technologies. Learn how car engines work.
  • Types of Engines
  • Engine Performance
FEATURED: ENGINES
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Replacing your car's stock muffler with a performance muffler is a good idea -- that is, if it's a rusted-out mess and you need to replace it anyway. But will this mod actually increase horsepower?

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UNDER THE HOOD: ENGINES
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