This thread didn't go the way I had thought it was headed. Tuners to me are companies like Gemballa, Ruf, AMG, 9ff
etc.
What a lot of young car enthusiasts have tapped into is the other side of hot rodding from the hp that Jake accurately mentioned and that is personalization.
Just like the post-WW II car crowd, they want something that screams ME!. Instead of the ubiquitous Model Ts or 32 Fords of that period or later 57 Chevys they've got a different choice of affordable and upgradeable blank canvases.
Look what it has done for the aftermarket entrepreneurs. And the SEMA show! And Hot August Nights.
Here's to the young car lovers of whatever car culture.