IED USERS: Need your help!
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Road Master
Joined: Jul 2007
Posts: 791
Likes: 1
From: New Hampshire
IED USERS: Need your help!
If you run IED's could you please do me a favor and report back to me:
 \\;
With your bike cold, start her up, and after the idel settles, place your hand at the outlet of each exhaust
*(2 into 1 owners, just ignore the rest of this message)
 \\;
Is the exhaust pressure/temp equal at the outlet of both pipes? Does it hit your hand away with the same impact? After 20 seconds or so, does the front pipe exhaust seem hotter than the rear?
 \\;
I have a situation where I hit a large pothole and have noticed that my exhaust pressures/temps are different at the pipe outlets. Have a slight rattle in the rear pipe, with a reduced output pressure at idle. Not sure if baffles broke inside the pipe....maybe?
 \\;
I am curious if the pressures I feel are normal at idle using the IED's given the location of the O2 sensors in each pipe - the rear sensor is right at the crossover...the front is almost at the outlet of the front jug.
 \\;
Any help on this from fellow IED owners would be appreciated. \\;
 \\;
With your bike cold, start her up, and after the idel settles, place your hand at the outlet of each exhaust
*(2 into 1 owners, just ignore the rest of this message)
 \\;
Is the exhaust pressure/temp equal at the outlet of both pipes? Does it hit your hand away with the same impact? After 20 seconds or so, does the front pipe exhaust seem hotter than the rear?
 \\;
I have a situation where I hit a large pothole and have noticed that my exhaust pressures/temps are different at the pipe outlets. Have a slight rattle in the rear pipe, with a reduced output pressure at idle. Not sure if baffles broke inside the pipe....maybe?
 \\;
I am curious if the pressures I feel are normal at idle using the IED's given the location of the O2 sensors in each pipe - the rear sensor is right at the crossover...the front is almost at the outlet of the front jug.
 \\;
Any help on this from fellow IED owners would be appreciated. \\;
Elite HDF Member
Joined: Apr 2008
Posts: 4,718
Likes: 11
From: Back in the Good Ole USA. South Carolina to be exact.
RE: IED USERS: Need your help!
Can't answer your question, the Fat Bob exhaust is basically 2 into one into two. However if you are concerned about the IEDs, try the same experiment w/the IEDs off.
Thread Starter
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Road Master
Joined: Jul 2007
Posts: 791
Likes: 1
From: New Hampshire
RE: IED USERS: Need your help!
Yup...just did - with or without the IED's connected, the pressures are different...that rear pipe is cooler, and lower on exhaust pressure with a weird whooping sound at idle.
 \\;
I either have a rear jug going south or a pipe with a couple broken baffles in it...it may be time to get out the wrenches and tear apart the rear pipe.
 \\;
I either have a rear jug going south or a pipe with a couple broken baffles in it...it may be time to get out the wrenches and tear apart the rear pipe.
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