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Originally Posted by X3IHB
Does this cause any warning lights in the system? Did you notice an increase in power? Can you show a picture of it?  |
No warning lights--as far as power goes when the throttle is opened far the valve opens anyway--so either way at full throttle its the same--its worth it for the sound--it now sounds like my Z4 with the drilled out muffler. May be more at lower throttle openings because both tailpipes are wide open??