anyone know of any good performance shops located around the DC area?

shops that install stuff...
inline pro ....inlinepro.com
tempest racing .....tempestracing.com
authority...its in fairfax city,va
nu image.......its in springfield,va

there are plenty of smaller shops
underground audio....its in springfield,va

try altered atmosphere...gaithersburg, MD
or car trenz...in rockville, MD

if you need phone numbers or addresses let me know...

i know this is out of tpoic but just wondering where all the 4th gens hang out at around the DC, VA area...