ATR 3" Single Shot ??

2-bolts hold a flange with a piece of tubing attaching it to the turbo. The downpipe "slips"over this tube, goes over the a-arm and down to the " off road pipe" that replaces the converter...The "slip fit" is where the downpipe "slips" over the tubing to the turbo. I can :slip" the downpipe up and down about 3".
 
I recently purchased a Scanmaster and am getting "retard up to 9*" Looking for a potential false knock.
o2's are between 800-820 @14lbs.boost 93 octane
 
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