Just came back from inspecting my Ridgeline. The guy that does it is a cool guy so I asked him about tuning my Z, he said its not worth the hassle. Getting sent to the MAC center is a huge pain in the ***. He was not able to tell me why they can tell a car has uprev as he didnt know. So still no answers on why 
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My current Rice stable, Lexus RX 330, Nissan 370z, Honda Aquatrax turbo, Yamaha 212SS
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