Under the Hood
The Under the Hood Channel explores the systems that make your car function correctly. Learn about car parts and systems and how to do routine maintenance.
10 Popular Car Modifications
How to Set up Car Speakers
10 Car Accessories That Could Be Dangerous
Modern Cars Are Kind of Boring. Why Is That?
Can car companies let known defects go without a recall?
Do car interiors turn toxic in the summer?
Making a Car Last for 300,000 Miles Is Totally Possible — Here's How
Are cars designed to fail at a certain point?
What's the Fastest Car in the World?
Is Your Junk in the Trunk or the 'Frunk'?
You Can't Take Your Fancy Self-Driving Car Out of the City, Yet
Do red cars get pulled over more often for speeding?
Do red cars cost more to insure?
Are extended car warranties worth it?
How Do I Get Rid of a Dead Animal Smell in My Car?
5 Signs Your Engine Is Losing Power
How Gas Compression-ignition Engines Work
Did cars ever have external combustion engines?
How does engine placement affect handling?
Dieselgate and the Volkswagen Cartel
Diesel Isn't Always a Worse Polluter Than Gasoline
How Coal Rollers Work
10 Cold-weather Motorcycle Accessories
Is all motorcycle apparel made of leather?
What motorcycle accessories will help me stay cool?
How Laser-powered Headlights Work
How Air-Conditioned Seats Work
5 Useful Voice-activated Commands for Your Car
How to Avoid a 'Hurricane Car'
6 Automotive Parts You Can Easily Recycle
Get Money For Your Old Car Batteries
How Does Vertical Acceleration Work?
How Car Suspensions Work
How Car Steering Works
Why the Stick Shift Is Going Extinct
Gas-powered vs. Electric Cars: Which Is Faster?
Are manual transmissions really faster than automatics?
How to Replace Your Car's Serpentine Belt
The Dirty Truth About How Often You Need Your Oil Changed
Is Your Car Road-trip Ready?
Why Do Tires Blow Out More in Summer?
Winter Tires Really Do Make a Difference in the White Stuff
Why Carmakers Are Ditching the Spare Tire
Can your car tell you when the light's about to change?
How the Open Automotive Alliance Works
How Paintless Dent Removal Works
Learn More / Page 3
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?
It seems like clearing out the exhaust as fast as possible would give you a bit of an edge over the competition. But does a dual exhaust system really improve your car's performance?
Do you know how Opposed Piston Opposed Cylinder (OPOC) engines work? Check out this amazing graphic that explains how OPOC engines work!
Do you know how sleeve valve engines work? Check out this amazing graphic that explains how sleeve valve engines work!