Dinan has continually proven to be a pretty big waste of money. Their xDrive excuse is total bullshit, I pulled 345whp on 93 octane back when I was still on my stock turbo with my JB4. And that is on a dyno dynamics, which reads low. I have 56,000 miles on my JB4 and no problems besides shortened spark plug life (happens to any tuned car). I would be extremely pissed if I spent $2400 and got 10 whp on a dyno graph that is choppy and looks to have poor driveability.
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