Re: Perfomance mods? Where to buy...
hopupracing.com
got my TB spacer and volant there, although you need to trim about 3/4" off the volant pipe to get it to work w/TB spacer.
I used the maganflow system and had the head pipe opened by a local shop using pieces of the original cat back system, got the magnaflow off ebay for $500
Got the plugs from sparkplugs.com listed under chey colorado.
These all together made a HUGE difference off the line and even better at WOT. Power is up about 15WHP on the butt dyno.
I had a Jet chip on one of my cars and it dynoed on a dyno jet good for 10WHP before and after pulls. I will get one for the H3 when they come out.
If you want real power, try the custom 375HP supercharger from dashworks in Denver, but it is $6500.
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Slate Blue 06 H3 Auto, Lux, Chrome, Navi, Sunroof, Chrome side steps, Home Link, Trailer, & Rig lights
Volant intake, Airaid TB spacer, Custom down pipe, Magnaflow dual Exhaust, NGK iridium plugs, Nitto TG -AT295/75/16, Brush guard, tail light guards, mud guards, Chrome Shorty Antenna & bracket, Chrome lower punch grill & lettering, Chrome side moldings, smoked side marker lenses, 3-D Hummer hitch plug, Body color spare cover, & of course DEBADGED! 
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