General Auto Upgrades

The internal combustion engine takes in air and mixes it with fuel, which provides the perfect combination for the explosion that fires the pistons. After that explosion takes place, the remaining...

There are many ways to give your car a deeper, meaner sound, and most of those involve modifying the exhaust system. Generally, creating more airflow throughout the exhaust system will make the...

Custom exhausts are popular additions to a car, and headers are the first thing to get installed. Over time, header bolts can loosen, and you have to tighten them. Getting at header bolts isn't...

Exhaust headers are made of tubular metal rather than cast from metal like a manifold. Their main benefit is better airflow through the engine. The faster and more efficiently air is evacuated...

Like any factory original car, stock BMW exhausts are relatively restrictive and quiet. Enthusiasts frequently upgrade to a more free-flowing exhaust, since they add power and sound better. BMW...

No two engines or systems are exactly the same, so results will naturally vary. The general rule is that you can expect from 5 to 20 percent power gain, but it is directly proportional to the...

Getting more power out of a small block Chevy increases the value of the engine and the vehicle. Small block Chevy performance parts and upgrades are very popular--and less expensive when compared...

For most of you car enthusiast, this title may have you thinking "there's no way you can tell someone the exhaust they would need for their car without seeing their car and set up". This...