This fully custom mid-engine Porsche uses the engine from a 911 and the suspension from a GT3 Cup. 911 who?
With some huge fender flares and a gigantic turbo, this Supra-engined M5 might be the most interesting BMW build we've ever seen.
The base Galant might have a reputation for irrelevance, but a few bolt-ons quickly make it interesting.
Does the E46 retain its fantastic driving attributes with a big V8 lump up front? Matt Farah finds out.
With 100 more horsepower than a Focus RS, this ST track monster is surprisingly balanced away from the circuit.
If you thought the M4 was twitchy before, just wait until you see this track-prepped version.
The SEMA stars are back with yet another awesome build.
With just a few bolt-ons, this hot hatch is pushing some serious numbers down the road.
Even with a long list of aftermarket parts, this big turbo Fiesta is still a blast to drive in the canyons.
Detroit Speed gives old G-bodies the driving dynamics they should have had in the first place.
You get supercar performance and Porsche prestige for way less than you'd pay for a decent air-cooled.
Don't believe the cliche: A tire-roasting Mustang can still handle in the corners.
When you have a car that comes with racing suspension and semi-slicks from the factory, there's not much left to upgrade.
Turns out a car with a dogleg seven-speed manual and a 565-horsepower V12 isn't the easiest thing to drive.
You can buy one for next to nothing, and the modification potential is nearly endless.
Hardcore and Mercedes-Benz in the same sentence? That's the magic of the Black Series badge.
The F355 GTS may be a nightmare for maintenance, but the looks and sounds definitely make up for it.
Driving a lightweight mid-engine car with a huge turbo, even when it's detuned to 450 hp, is a spin waiting to happen.
A stripped out supercharged Acura putting all it's power to the front wheels is unsurprisingly sketchy.
The third-generation RX-7 is considered one of the greatest Japanese sports cars of all time. Here's why.
It takes a skilled drifter, and a camera car driver with nerves of steel.
It's not the first car you'd think to mod, but with a decent chassis and affordable price, it'll surprise you.
This Miata-based exoskeleton car is the best value for your open-top-only roadster needs.
Taking the ultimate Autobahn cruiser out of its comfort zone reveals how well it actually handles.
Now that 987-generation Caymans are getting cheaper, people are slapping turbos to them. Here's how that works out.