William Fichtner, Antron Brown, and Tom Ford are back for episode three of the BBC's reborn Top Gear America, and they're bringing a well-known guest along for the ride. Sort of... actually, Magnus Walker is the one taking the Top Gear crew for a ride, in one of his highly modified Porsche 911 creations. The mean streets of Los Angeles are their playground in this latest episode.

In addition to Walker and his German coupes, the TGA trio use campers in ways they were never meant to be used, and probably never should. Looks like a blast. The Stig will take a very unlikely vehicle around the Top Gear America test track, and comedian Russell Peters stops by for an interview and a lap.

Stay tuned this Sunday, August 13, at 8 p.m. EDT, 7 p.m. CDT, for the entire episode. But first, be sure to watch our exclusive clip up above.

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