I have ER upper and lower DPs and so far no issues.....will update if that changes.
With the BM3 OTS Stage 2 93 octane tune it runs great!
What I really like is with no cats and the Comp catback you get a little pop at startup and at WOT it sounds amazing, but idle, cruising, part throttle accel it sounds very close to stock from the driver seat (I am sure that is not the case from the sidewalk).
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