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I'd like to know the reliability of this system in turn with the engine, as in how much this degrades the condition of your engine compared to stock, and the price of the total kit.
It is hard to put a price on a system like this. This particular kit was built with the best WG, blow off valve, ball bearing turbo, tranny upgrade, custom gauge panel, powder coating, large custom intercooler etc. The total cost on this installation parts and labor was over $18,000. I am sure a basic kit with installation can be had for closer to $10,000. I do not plan to offer this system as a kit as this job is not for the do it your-selfer. I can sell parts of the kit, such as the header, downpipe, turbo, etc..... I am going to be working on getting an AEM computer to work with the Lexus instead of the antiquated Haltech system in the near future.
As far as reliabilty goes, obviously no 400 RWHP car can be as reliable as a 175 RWHP car. (Right Shammi??) However with proper maintenance and intelligent driving styles, there is no reason this engine should not last indefinately. The only questionable part on the VVTi engines is the weaker connecting rods. It is my understanding that they become an issue at roughly 550 HP. Therefore until Rod upgrades his connecting rods, we will keep the boost down.