GTM came out with their kit first and quality wise it seems to be better. Also the GTM kit is cheaper and in a tight economy GTM is going to win every time.
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Powertrain Warranty voided on 5/14/2011
Mod List:GTM Supercharger,SmartTop module, Oil Cooler, GT-R Start button, Nismo Exhaust, BC Racing ER Coilovers, Backup Camara
For eastwest: 
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