Just hoping this will be helpful for newbs like me...

Performance:
www.greddy.com
www.advancedclutch.com
www.aempower.com
www.9secondracing.com
www.hksracing.com ~~~~? not sure if its right...
www.skunk2.com
www.injen.com
www.sparcousa.com
www.performancecenter.com
www.powerteck.com
www.hksusa.com
www.kenwoodusa.com
www.brembo.com
www.importinnovation.com
www.visracing.com
www.apexi-usa.com
www.autothisworld.com
www.andysautosport.com
www.xs-engineering.com
www.turbochargers.com
www.roadraceengineering.com
www.fiatosports.com
www.neuspeed.com
www.summitracing.com
www.topspeedauto.com
www.jcw.com


Looks
www.bodykits.com
www.visionautodynamics.com
www.streetbeatcustoms.com
www.ngkits.com
www.spoilersetc.net
www.enkei.com
www.extremedimensions.com
www.sensemotorsport.com
www.groundynamics.com
www.procarparts.com
www.soffseal.com




Magazines:
www.turbo.com
www.importtuner.com
www.pasmag.com
www.eurotuner.com
www.hondatuning.com
www.hci.com or www.hotcompactimport.com
www.superstreet.com
I hope this helps some of you.