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Old Jul 11, 2010 | 10:15 AM
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I got my jackpots in yesterday, the warning that comes with them that say these mufflers are balanced for optimum performance and the one with the small opening must be installed on the left side. Is the left side considered the side with the shifter? Is this sitting on the bike or looking at it from the front?
 
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Old Jul 11, 2010 | 10:22 AM
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Smaller diameter baffle goes on shifter side.
 
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Old Jul 11, 2010 | 10:26 AM
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Thats what I thought, but that makes the right side louder.
 
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Old Jul 11, 2010 | 11:53 AM
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It's because most of the exhaust goes out the rightside as sitting in the seat
 
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Old Jul 11, 2010 | 12:02 PM
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The stock exhaust does the same thing too,HD's idea of a 2-1
 
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Old Jul 11, 2010 | 12:38 PM
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They are evening out the back pressure since the right side breathes the most.
 
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Old Jul 11, 2010 | 01:12 PM
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Are you sure? I swear mine said put the smaller opening on the throttle side, thats how the factory ones were installed.

If you are evening out the back pressure wouldn't logic dictate to pinch off the side with the most flow to even it out?
 
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Old Jul 11, 2010 | 01:53 PM
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Originally Posted by kccustom
Are you sure? I swear mine said put the smaller opening on the throttle side, thats how the factory ones were installed.

If you are evening out the back pressure wouldn't logic dictate to pinch off the side with the most flow to even it out?
For Jackpots, the smaller-diameter baffle definitely goes on the left (primary) side.
 
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Old Jul 11, 2010 | 02:04 PM
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Left = roadside = port = little hole Jackpot muffler

Right = curbside = starboard = big hole Jackpot muffler
 
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Old Jul 11, 2010 | 04:25 PM
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Well hell, the consensus says I have mine on backwards.
 
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