Does he use a tail pipe sniffer to tune or do you have an extra 02 bung before your cats if you have them?
Ive never actually had a dyno tune done to any of my cars but from looking at Sasha's website looks like the way to get the best tune is with tail pipe sniffer (as long as you don't have cats) or wide band o2 bung before your cats.
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6MT - designed for perfectionists
7AT - designed for enthusiasts
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