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Special Agent: A Mustang That Quickly Changes Missions

Agent 47 creates a Mustang to master both street and track.

Featured makes: Ford
Ballad of the Justang: A Budget V8-Powered Hot Hatch

Just what the world needs: a wide-body, V8-powered, rear-wheel-drive Subaru Justy.

Featured makes: Ford , Subaru
Ben's Benz: A Behind-the-Scenes Look at an IMSA GT Monster

Just 10 years after his first track day, Ben Keating helps Mercedes-AMG debut with a Rolex 24 podium.

Featured makes: Mercedes-Benz
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Rapid Transit BMW: Meet an Early 5-Series With a V8 Swap

Killing a Butterfly With a Sledgehammer

Featured makes: BMW
Millennial Falcon: Meet Calvin Nelson and His Studebaker Racer

The second generation of GRM $2000 Challengers arrives to win.

Featured makes: $2000 Challenge , Studebaker
From the GRM Vault: Subaru Bounces Back

Proof that motorsports involvement can lead to corporate success.

Featured makes: Subaru
From the GRM Vault: A Dual-Engine Honda CRX and 10 Other Cool Cars Hit the Dyno

Back in 1997 we put 11 cool cars on the dyno in search of horsepower and truth.

Taking on the World Rally Championship With an E30

Bill Caswell invades the World Rally Championship with a 20-year-old BMW.

Featured makes: BMW
From the GRM Vault: The Fascinating History of Small Bore Trans-Am Racing

The Datsun 510 was never supposed to be a sporty car. Then BRE came knocking.

Featured makes: Alfa Romeo , Datsun
Meet the Ultimate Track Truck

Does a ChumpCar truck have the chops to hang with dedicated track machines?

Featured makes: Chevrolet
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