I spoke with Brian from urd.usa about the upgrade kit for the SC. It sounds like a very good kit, and for less money than the TRD 7th injector. They have dynoed with results of 20 more hp than the TRD setup, and with adjustable fuel ratios instead of 7th injector either on or off under boost. I must say that it sounds more refined of an option. Emissions tests are apparently cleaner as well.
But then, warranties are basically voided should there be a problem, in my case I even had dealer install SC for warranty reasons, including being covered in extended service contract.
And then for those in California, such as myself, it is not a CARB certified kit, and they will not be spending the money for CARB certification.
Brian also steered me to Tacomaterritory for more info on this and there seems to be a number of people running gadgets upgrade kit in California with no problem passing emissions, the problem would come in if caught under visual inspections. It would not be a good thing to get caught with an altered California vehicle that was not certified.
So for me I don't think, as good as gadgets kit seems to be, that I could chance going that direction.
But for those "lucky" enough to be outside of Cali and not worried about warranty issues, it seems to be a more complete option to further upgrade the SC V6.
On a side note, rumor has it that in the near future there is supposed to be other exhaust options for the V6 Tundra being released. That is all I know on that other than I will be sending an email in a few weeks as requested in an attempt to find out more particulars.
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