Top Definition
Technical aspect of OPW Tuning. When the fun and games are finished, the serious business of dub and porka tuning begins. Power, drops, looks, wheels..... If its not Gruppe D spec, its nothing....end of!

All members of OPW Tuning are dedicated to getting their motors to Gruppe D spec.
Look at the next VW or Porsche and ask yourself " Is is Gruppe D or just o.k.?
by 2.0 8v September 17, 2009
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