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I just got my new ultra-glide classic EFI last week and 580 miles to date. What is the best way to modify the stock pipes? I can see the plugs near the back. I have heard to knock out both plugs on the left muffler and the back plug on the right one. Also put a hole in the front plug on the right side. I can understand why because of the volumetric efficiency of the engine. I can hear pent up power that just wants to get out.
One more thing, after the pipes are cleaned out, i want to put on a stage 1 air cleaner. Will chip need to be reprogramed?
Thank you for the help.
One more thing, after the pipes are cleaned out, i want to put on a stage 1 air cleaner. Will chip need to be reprogramed?
Thank you for the help.