New fuel map or ...?
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Tourer
Joined: Oct 2008
Posts: 259
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From: Maryland
New fuel map or ...?
Swapped original pipes (just mufflers, not head pipes) on my '08 DL for a new set off a '10 WG. Fit was fine and they seem to function ok...but -
After 600 miles or so, the exhause is popping quite a bit and I've lost a lot on the low end. Bike is really sluggish until I hit about 50 and then it smoothes out. Gearing has changed too - seems like I need about 10 MPH more to change gears, meaning I'm running in a lower gear much more now than before. Runs fine on the high end (65+).
New mapping required?
After 600 miles or so, the exhause is popping quite a bit and I've lost a lot on the low end. Bike is really sluggish until I hit about 50 and then it smoothes out. Gearing has changed too - seems like I need about 10 MPH more to change gears, meaning I'm running in a lower gear much more now than before. Runs fine on the high end (65+).
New mapping required?
Seasoned HDF Member
Joined: Jul 2008
Posts: 9,281
Likes: 1,139
From: southeast PA
Can't imagine why going from one set of stock mufflers to another would change much at all. Unless you've got an exhaust leak at the slip joint. Check that out and look to see if the intake flanges are snug, too.
Outstanding HDF Member
Joined: Nov 2010
Posts: 2,250
Likes: 36
From: Montana
+1 on a possible exhaust leak at the slip joint. HD recommends new clamps every time you change mufflers . Also the service manual (if I remember right recommends some type of silicone / high temp sealing agent to help the slip joints not leak. Check all connections on your pipes and if that is not the problem then id think about a re-map.
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Tourer
Joined: Oct 2008
Posts: 259
Likes: 0
From: Maryland
+1 on a possible exhaust leak at the slip joint. HD recommends new clamps every time you change mufflers . Also the service manual (if I remember right recommends some type of silicone / high temp sealing agent to help the slip joints not leak. Check all connections on your pipes and if that is not the problem then id think about a re-map.
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