Owners across many threads pushed back on the idea that the 2002 337 Edition and 2003 20th Anniversary were sticker packages. The editions brought the six-speed manual, larger brakes, sport suspension, a bigger rear sway bar, Votex body kit, Recaro buckets and special wheels (shot-peened BBS RCs on the 337, Aristos on the 20th). …
The 337 and 20th Anniversary are real mechanical upgrades, not badge kits
Volkswagen GTI (Mk4) · factory-spec