True Duals question
#1
True Duals question
I've been searching and reading and still haven't come to a decision yet.
The bike: 2007 Ultra with SE Touring muffs, SE a/c, and a Power Commander.
Me: Gearhead, ex-racer, want QUIET and low end torque.
I know that a 2-1 seems to be the best for power. However, I want to eliminate the crossover to keep my leg cool in traffic. I ran true duals on a Sportster and wasn't over impressed but the Big Twins seem to have different power deliver characteristics.
I'm more interested in quantifiable dyno results as the seat of the pants dyno is the worst. So.......
How perceptible is the low end power loss with true duals compared to the stock headers as well as say a SuperTrapp 2-1? Would a 2-1 be as hot as the stock crossover?
I have a line on a set of Bub Crossdressers. Are there any issues with these?
The bike: 2007 Ultra with SE Touring muffs, SE a/c, and a Power Commander.
Me: Gearhead, ex-racer, want QUIET and low end torque.
I know that a 2-1 seems to be the best for power. However, I want to eliminate the crossover to keep my leg cool in traffic. I ran true duals on a Sportster and wasn't over impressed but the Big Twins seem to have different power deliver characteristics.
I'm more interested in quantifiable dyno results as the seat of the pants dyno is the worst. So.......
How perceptible is the low end power loss with true duals compared to the stock headers as well as say a SuperTrapp 2-1? Would a 2-1 be as hot as the stock crossover?
I have a line on a set of Bub Crossdressers. Are there any issues with these?
Last edited by gwcrim; 04-11-2010 at 04:50 PM.
#3
I have written on HDF in the past that while there is a popular belief that true-duals suffer a torque loss, nobody has given any evidence to support this. In my old evo I have an S&S 107 with a TD system on it. S&S recommends TDs as a suitable system and my bike slightly exceeds their spec sheets. I have never tried any other system, but my bike runs just fine!
I have a set of Samson TD pipes with S&S oval mufflers. If they are not quiet enough for you, they make bolt-in baffles.
I have a set of Samson TD pipes with S&S oval mufflers. If they are not quiet enough for you, they make bolt-in baffles.
#5
#6
I snagged a set of brand new black Bub true duals on Ebay for less than $250 shipped. I called Bub and they said the pipes are ceramic coated as well as the shields. A little tweak of the PCIII and my leg will probably be fine.
I'm still thinking about mufflers but we'll see how things work out with the headers.
I'm still thinking about mufflers but we'll see how things work out with the headers.
#7
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