USACi  
   Official United States Autosound Competition International resource site. Offers news, events schedule, results and records listings.
   http://www.soundoff.org/

Team Pitta Page  
   Dragracing competition car stereo. Features pictures, FAQ, links.
   http://www.geocities.com/kick_butt_spl/TeamPittaPage.html

IASCA  
   International Auto Sound Challenge Association official resource. Browse events listings and coverage, news, reviews and become a member.
   http://www.iasca.com/

Irish Auto Sound Challenge Association  
   Information on the Irish sound-off scene.
   http://www.nireland.com/IASCAIRELAND/

NSPL - National Sound Pressure League  
   Promotes safe and exciting SPL competition format that serves as a sport for youth and people of all ages.
   http://www.nsplcompetition.com/

Sound Syndicate Auto Club  
   Car audio competition events in local communities, links, information.
   http://www.angelfire.com/my/syndicateautoclub/

National Car Audio League  
   Official source for NCAL. Create and manage you own team, view otehr teams and browse events.
   http://interoz.com/ncal/

Team Synthetik  
   Read about members, activities, events, and join the team. Also provides reviews and news covering car audio scene.
   http://www.teamsynthetik.com

Team ROCS  
   A worldwide organization dedicated to promoting car audio and providing accurate, helpful information to enthusiasts.
   http://www.teamrocs.com/

dB Drag Racing Association  
   Official resource site of the dBDRA. Find news, information, events coverage and schedules.
   http://www.termpro.com/dbdrag/

East Coast Choons  
   Team of British car audio enthusiasts sharing their knowledge, gallery of installs, and reviews of events.
   http://www.eastcoastchoons.co.uk

Pro Creations Audio Productions  
   dB Drag promoter for Texas and Louisiana. Book your show today! Check out info on show dates, shops, state records, teams and competitors.
   http://www.pro-creations.biz/