Performance augmentation systems are typically more expensive, complicated, and potentially illegal, but as a final step they remain some of the most popular modifications in the hot rodder's handbook ...

Coming from a legendary fourth generation, the Toyota GR Supra reinvented itself with help from Bavaria’s wonder-company, BMW. So, it could be said that when an Mk5 ...

Coming after the legendary A80 predecessor and with a new mixed-DNA heritage that combines its Japanese roots with German technology, it’s safe to say the current Supra has a long way to go before ...

Nitrous oxide is a powerful oxidizer. What this means is that if you pump it into an engine along with additional fuel, you can make a lot more power at the push of a button. Often referred to as ...

This was a lot tougher than we thought. Some time ago, Speed-O-Motive built a test engine whose only purpose in life was to live on the dyno and test our harebrained ideas to make more power. While ...

The job of any power adder is to enable an engine to burn more fuel, and burning more fuel is the only way to make more power. To make power in an internal combustion engine there must be a proper ...