Can one have "quiet" AND "performance" ?
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Cruiser
Joined: Sep 2008
Posts: 133
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From: Emerald Park, Saskatchewan
Just a thought here, but if you havent put enough miles on since the change your tuner has probably not adapted to the new pipes yet.
One of the sponsers here of HD Foruns is Fuelmoto , they have done a lot of testing using the PCV/AT and might be able to help, give them a call.
One of the sponsers here of HD Foruns is Fuelmoto , they have done a lot of testing using the PCV/AT and might be able to help, give them a call.
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Cruiser
Joined: Sep 2008
Posts: 133
Likes: 0
From: Emerald Park, Saskatchewan
So without the cap is there still baffling? Does the cap hold all the disks?
Might be a good option for when I go to Sturgis and want to be more obnoxious...they might refuse me entry if I am too quiet!
Ultimate HDF Member
Joined: Dec 2009
Posts: 5,865
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From: Potsdam, NY
You can, just not with a narrow angle VTwin. These engines are not designed to produce high amounts of horse power, they are designed to produce torque at low engine speeds. Fitting a free flow exhaust will get the last few drops of horse power out of it but this seems like putting an expensive performance suspension kit on the family truck - the cost/benefit kinda sucks. I'm not saying the VTwin engine is a bad design, just saying it is not a performance design to start with nor are most bikes it is mounted. In comparison a 600cc in line 4 will generally produces in excess of 100HP (more than a 1200cc VTwin) so will come equipped from the factory with a more free flowing exhaust because of its greater valve area - it needs to get fuel/air in and exhaust out faster than a slower revving engine.
Last edited by fat_tony; Feb 24, 2011 at 05:26 PM.
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Joshman
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