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Header Pipe Cracked / busted...

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Old May 9, 2021 | 12:35 PM
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Default Header Pipe Cracked / busted...

FLHTCI / 2006 / Rear cylinder header pipe has a gaping crack at the junction. I'm considering all kinds of replacement repairs. Anyone have any sage advice or experience with this issue, including a retune if I change from OEM pipes?? At this second, I'm contemplating Cobra True Duals to replace the system, currently running cobra tri-ovals as slip-ons.

thanks in advance.
 
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Old May 9, 2021 | 12:36 PM
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Happened frequently on the twin cams. Header would crack in the junction as would the little piece that holds it atop the starter.
 
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Old May 9, 2021 | 12:43 PM
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I used this awhile back.
Worked out good on my 08 UC

https://fullsac.com/product/true-dua...8-flh-touring/

WP
 
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Old May 9, 2021 | 03:47 PM
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I used the Fullsac on my 03 Bagger. Running Cobta True Duals on my 07
 
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Old May 9, 2021 | 04:10 PM
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STILL using the Fulsac duals (5 years now).....taking them off this week for S&S POwertune Duals.
 
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Old May 9, 2021 | 09:24 PM
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I had mine welded and added a support member. I also replaced the bracket tab that attaches to the starter and torca clamp. It’s held for 6000 miles.
 
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Old May 10, 2021 | 02:43 PM
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It happened on my 03 RK...had it welded. It held until a buddy went true duals on his 05 RK and gave me his OEM set.

I guess your options are:

1. weld it...temp fixes are just that....temporary.
2. hunt down a set from someone else selling theirs.
3. replace with OEM or aftermarket, if you were already considering going down that road.
 
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Old May 10, 2021 | 05:27 PM
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I put V&H Tru Duals on my '04 RK.........no problems with about 50k miles and still look great

Good luck
 
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Old May 10, 2021 | 07:09 PM
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Default Cracked header

Same in.my 07. Dealer said its a common problem. I felt the VH pipes and stage 1 kit might have contributed with higher pressures. Went to the V&H true duals, problem solved.

The second part of you problem, a tune. You don't need a tune for pipes or an air cleaner as the volume of air in/exhaust out hasn't changed. Now if you're doing TB as part of your upgrades that is a different story and you need one.. can't help you there as my bike had the SE Pro pre EPA tune.
Originally Posted by booze hound
I put V&H Tru Duals on my '04 RK.........no problems with about 50k miles and still look great

Good luck
 
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Old May 11, 2021 | 09:45 AM
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Originally Posted by Birdhaus
FLHTCI / 2006 / Rear cylinder header pipe has a gaping crack at the junction. I'm considering all kinds of replacement repairs. Anyone have any sage advice or experience with this issue, including a retune if I change from OEM pipes?? At this second, I'm contemplating Cobra True Duals to replace the system, currently running cobra tri-ovals as slip-ons.

thanks in advance.
Another option I haven's seen metioned is the Power-Tune Duals from S&S or the Khrome Werks equivalent to that setup. They run the rear pipe under the frame like the newer bikes and have a small crossover section that is supposed to eliminate the torque loss from true duals.
 
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