I dont want to jump to conclusions prematurely, but i want to applaud the OP for taking matters into his own hands. Instead of accepting the dyno showing gains from Church, he took the car to another shop to verify the gain at his own expense. I think the least we can get out of this story is that you cant always trust the hp gains on a dyno graph. I'm sure there are things that a tuner can do to make it seem like your car gained hp after tuning.
Product reviews are often swayed by partial sponsorship and/or discounts given on their purchase. Dont see many reviews based on true performance numbers like this one.
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