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Redundant Exhaust Thread?Touring Models |
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Apr 1st, 2008, 09:42 AM
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#1 (permalink) |
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Start The Engine
Ride: 2004 Road King Custom Twin Cam 88
Join Date: Dec 19th, 2006
Location: DFW, Texas
Posts: 43
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Redundant Exhaust Thread?
Hello gang, have 2004 FLHRSI w/ Stage 1, remap and Vance and Hines slip ons. I am seriously considering going to a true dual set up and retaining my current muffs. If I change to true duals, would the consensus be that I would need to get the efi re-mapped? Plan on using the same diameter at the head and through the body that I have currently, which I am thinking would not have to change. Or are true duals a larger diameter? Let the pros who know call in on this one.
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Apr 1st, 2008, 09:45 AM
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#2 (permalink) |
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Community Liaison
Ride: 07 Road King Classic
Join Date: Jun 21st, 2007
Posts: 11,626
My Mood:
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Re: Redundant Exhaust Thread?
You would be changing the exhaust flow by splitting the cylinders so you would need some sort of fuel remapping.
__________________
Psssst!  Please stop by the "self help section" for maintenance tips, diagnostic codes and much more. click me!>>Self Help Information and Tips<< click me! |
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Apr 1st, 2008, 10:22 AM
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#3 (permalink) |
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New Family
Ride: 07 Road King Classic
Join Date: Mar 30th, 2008
Posts: 5
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Re: Redundant Exhaust Thread?
Yes a remap would be in order. By adding the true dual, you will change the backpressure and need to add more fuel, due to more air flowing through the engine. Instead of a remap, like the SERT, I would think about getting the Thundermax auto tune. Its about $900, but you would never need another map or dyno time. I think the SERT with dyno time would be pretty close to the same amount of money.
__________________
The worst piece of ass I ever had was still fantastic. |
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Apr 1st, 2008, 12:48 PM
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#4 (permalink) |
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Start The Engine
Ride: 2006 Road King Classic
Join Date: Feb 18th, 2008
Location: Bolton Ontario Canada
Posts: 36
My Mood:
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Re: Redundant Exhaust Thread?
I'm not a pro, but i just installed the V&H Dresser Duals and FuelPak on my 06 rk. Fit perfect with my V&H slip-on.They look really nice, and I installed them myself,it took me a couple of hours (quality time with my bike).
Only thing, I didn't get a chance to road test yet Last edited by rkc06 : Apr 1st, 2008 at 08:13 PM. |
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