How do you turn renderings of two world-trade-center towers and one transportation hub into one kick-ass -- and meaningful -- chopper design? Watch and learn.
HowStuffWorks Illustrated: Zipper Merge
Old Car City: The Junkyard Turned Photographer's Paradise
Fast N' Loud: The Gloss Black Paint Job
Fast N' Loud: The Transmission
Fast N' Loud: Tubing For the Bronco
Fast N' Loud: The Bronco's Rust
Fast N' Loud: Fender Flares
American Chopper: A Shocking Retaliation
American Chopper: High-School Memories
American Chopper: Making a Dream Car
American Chopper: SUPER Charged
American Chopper: They Want Answers