Technical & Mods

Modification guides, how-tos, dyno results, and maintenance tips.

Featured

Wheels and tires affect performance more than almost any other modification. Here's how to choose the right setup for your goals.

Your car's suspension determines how it handles. Here's how to upgrade intelligently—without creating an uncomfortable daily driver.

Your paint deserves better than automatic car washes. Here's how to detail like a professional—protecting your investment properly.

Cold air intakes are one of the most popular bolt-on mods. But do they actually make power? We break down the science and real-world results...

Oil seems simple, but choosing wrong can damage engines. Here's what enthusiasts need to know about lubricating performance engines.

Dyno charts tell you more than just peak numbers. Learn to read the entire power curve and understand what makes an engine perform.

ECU tuning can unlock significant power gains, but it's not without risks. Here's what every enthusiast should know before reflashing.

Want more power? Forced induction multiplies what your engine can produce. Here's how turbos and superchargers differ.

An exhaust upgrade is often the first mod enthusiasts make. Here's everything you need to know about choosing the right system for your goal...

Fast cars need to stop fast. Here's how to upgrade brakes intelligently—from simple pad swaps to complete big brake kits.