All I can tell you is I love mine, I noticed a boost in power from stock to adding CAI & Exhaust, then another boost in power with chip. (It's a piggyback system so I can flick the ON/OFF switch whenever I want. everything together was about 1000$ from autoanything shipped up to canada. Thats including the 15% Black Friday discount last Nov when I ordered.
One day I will get a Dyno and first place I'll put it is TW.