DE-catted Head Pipe
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Grand HDF Member
Joined: Nov 2012
Posts: 3,751
Likes: 459
From: Here and now
DE-catted Head Pipe
Temp of exhaust 2011 Ultra classic at Cat after 20 minute ride: 445 degrees
De-catted head pipe purchased from Ebay seller, rickb9ol $100.00, no exchange.
2 exhaust gaskets $16.00
2 hours in the garage.
Temp of exhaust at Cat location after the same 20 minute ride: 275 degrees.
Definitely worth it.
De-catted head pipe purchased from Ebay seller, rickb9ol $100.00, no exchange.
2 exhaust gaskets $16.00
2 hours in the garage.
Temp of exhaust at Cat location after the same 20 minute ride: 275 degrees.
Definitely worth it.
Just did the same thing today to my 13 se ultra...road it for about 25 miles after install to make sure I had no hesitation or decel popping, I don't have a tuner on, and everything seemed fine...especially the heat. I don't know what the temp was before, but it was HOT, now it's tolerable, really not bad. I would recommend this to everyone...jmo.
Road Master
Joined: Mar 2013
Posts: 1,220
Likes: 14
From: chatham il
Just put mine back together today after cutting it out and welding it back up myself. Had to rush off to work so I didn't get to ride it but it sounded ALOT better. I had cut through the baffles in my stock mufflers also. Is it really nessaccary to replace the exhaust gaskets on the heads?
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Thread Starter
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Grand HDF Member
Joined: Nov 2012
Posts: 3,751
Likes: 459
From: Here and now
Just put mine back together today after cutting it out and welding it back up myself. Had to rush off to work so I didn't get to ride it but it sounded ALOT better. I had cut through the baffles in my stock mufflers also. Is it really nessaccary to replace the exhaust gaskets on the heads?
Last edited by dribble; May 28, 2013 at 07:59 PM.
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Road Warrior
Joined: Mar 2011
Posts: 1,503
Likes: 94
From: SE Michigan
I really don't know how you can argue about the heat. Heat and the materials used make the chemical reaction work. Until the cat heats up it does nothing. Park you hot car on some leafs in the fall or a field at a fair and watch what happens. I remember Ford Escorts starting on fire between the seats back in the 80's. The cat was to close to the parking brake cable and conducted the heat to the sound matting and carpet.