18mm bungs - Road Glide Forums

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post #1 of 4 (permalink) Old 03-19-2011, 10:06 AM Thread Starter
triple buzz's Avatar
Join Date: Mar 2010
Location: Chardon, OH
Posts: 140
18mm bungs

Jamie, Thanks for the price quote on the ThunderMax. I have a question about the bungs. You mentioned I need to weld in 18 mm bungs. Do I plug the old holes and drill new ones in each pipe? Looks too crowded to stack bigger bungs on a 2010 FLTRX in the stock location.
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post #2 of 4 (permalink) Old 03-22-2012, 04:03 PM
Join Date: Mar 2012
Location: Daytona, Fla.
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I'm not Jamie, but I'm about to add a ThunderMax to my '07 FLTR. It's equipped with the same stock 2 into 1 2010 Harley exhaust you have. You'll need to plug the 12 mm bungs you have now, & add 18 mm bungs 4 or 5 inches from the exhaust ports in the head. Look at the video on Zippers web site.
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post #3 of 4 (permalink) Old 07-03-2012, 10:52 AM
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Location: Up State NY
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If you have an auto tuner it comes with instructions about where to put the bungs. I will post the instructions when I get home, to be more helpful.
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post #4 of 4 (permalink) Old 07-04-2012, 01:43 PM
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