When you hear aftermarket parts, components made by third-party manufacturers to replace or enhance original equipment. Also known as upgrade parts, they’re the go-to for drivers who want more style, power, or control without buying a new car. But here’s the truth: not every aftermarket part delivers what it promises. Some are pure marketing. Others? They actually change how your car drives, looks, and even lasts.
Take performance air filters, high-flow replacements designed to let more air into the engine. Also known as cold air intakes, they’re often sold as power boosters—but for most daily drivers, the gain is barely noticeable. In fact, some can let in more dust than stock filters, risking engine wear. Then there’s wheel spacers, metal rings that push wheels outward for a wider stance. They make your car look meaner, sure—but they also add stress to wheel bearings and can cause uneven tire wear. And if you’re thinking about a full body kit, a set of custom panels that change your car’s outer shape. Also known as aero kits, they’re eye-catching, but poor installation can ruin paint, create gaps, or even affect aerodynamics in bad ways.
On the flip side, some upgrades are no-brainers. suspension upgrades, like coilovers or air ride systems that let you adjust ride height and firmness. Also known as performance suspension, they fix the harsh ride that comes with lowering springs while giving you better cornering and control. You’re not just changing how your car looks—you’re changing how it feels on the road. And if you’re swapping out headlights or adding interior accents, knowing what’s legal and what’s safe matters. You don’t want to spend money on a LED upgrade only to find out it’s not road-legal in your area.
What you’ll find below isn’t a list of flashy parts. It’s a collection of real-world tests, cost breakdowns, and honest advice on what actually works for everyday drivers. Whether you’re wondering if a $200 air filter is worth it, whether wheel spacers will ruin your bearings, or if a body kit is just skin-deep—these posts cut through the hype. No fluff. No sales pitches. Just what you need to know before you open your wallet.
A bumper to bumper warranty doesn't disappear when you add body kits or aftermarket parts-but damage caused by those mods won't be covered. Learn what actually voids your car's warranty and how to modify safely.