Not to be rude, but that's like asking what's the difference between an apple and an orange.
Here's a link so that you can see what each piece is.
AAM Competition - Nissan GT-R, 370Z Turbo Performance Specialists
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Borla S-Type | Motordyne | Z1 (lots) | South Bend | K&N | Nismo/Nismo S-Tune | Eibach | Aerojacket | Fujimara | Spl | ZSpeed Performance | Kenwood-Infinity-Sound Ordnance | Whiteline | Ecutek | Hotchkis | Clazzio | VQ Vortex |Morimoto XB |Dynosty Tune 329.64hp 265.73 ft/lb
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