New guy type question
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1st Gear
Joined: Nov 2005
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New guy type question
I am sure that this has been often asked here but I havent seen it. I finally saved enough $$ to do something with my exhaust, I have an 05 SE fatboy. My questions is, is there an exhaust out there that will give me the rumble that I hear from other bikes without giving up low and mid range tourqe? I use my bike as my primary transportation to work in a heavily traveled area so I do use my low range power on every ride and do not want or need to give up any HP. I know this has been covered before, so if you guys could direct me to where I can research this i would really appreciate it. Thanks.
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Ultimate HDF Member
Joined: Feb 2006
Posts: 5,939
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From: TX
RE: New guy type question
For best performance & quality, be sure to check out the D&D FatCat! Great sound, look, and fit. Also, gaurenteed not to "blue". Additionally, all the new FatCats include 02 sensor bungs as standard issue!
http://www.danddexhaust.com/catalog/2005/07/41232b.htm
BTW - no shortage of opinions here!
http://www.danddexhaust.com/catalog/2005/07/41232b.htm
BTW - no shortage of opinions here!
Intermediate
Joined: Jun 2006
Posts: 27
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RE: New guy type question
I'm VERY partial to the V&H Pro Pipe suggested by Mack since I have one on a 2002 Fatboy. Performance is great and sound is terrific. It is certainly not as loud as some of the dual drag stuff but it's got a very nice tone to it. NOW...........that being said, and after looking at the FatCat line Phil posted............even I would admit I think the D&D looks nicer...........maybe. I'd have to see one a my Fatboy but I like the slashed look of the pipe. Don't think I've ever heard the fatcat so not sure how she sounds. Would like to hear that.
r/ George
r/ George
Ultimate HDF Member
Joined: Feb 2006
Posts: 5,939
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From: TX
RE: New guy type question
ORIGINAL: XfasteddieX
it is the best performance header you can buy for the hd .
it is the best performance header you can buy for the hd .
If you do some research and compare torque curves of various pipes on the same or similar builds, it will become immediately obvious that the THunderHeader has a huge dip "down low". I had that same exact expereince on mine.
When I started building my current RG, I chose a ThunderHeader becasue is was the only 2into1 I could buy (from the manufacturer) that was ceramic coated black. I must admit that the sound was GREAT, but the power was mediocre and matched others I had/have seen on dyno comparisons. Sometime later, D&D released a black version of the FatCat which is what I really wanted anyway, as I had one on my previous RG, but did not want chrome this time.
It is true that everyone has their favorites, for a variety of reasons.... but to say about the ThunderHeader "it is the best performance header you can buy for the hd "... is simply wrong!
The attached dyno sheet has a baseline curve (blue) that had a ThunderHeader on a basically stock 88" build with high-flow filter & Power Commander and also has an "after build" curve (red) with the FatCat installed. Even on a stock motor, you can see the dip down low. As you build the motor up stronger, this exact "dip" characteristic becomes more and more pronounced.
[IMG]local://upfiles/8665/FE26DBB4B3744A158FC4262D9F97E9FC.jpg[/IMG]
Trending Topics
Outstanding HDF Member
Joined: Aug 2005
Posts: 2,141
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From:
RE: New guy type question
Nice #'s with the D&D PhilM, It's to bad you didn't have a Dyno after the build with the Thunderheader I would of liked to of seen how that compaired to the D&D with the same build.
I will agree though I'm sure the 2-1 Thunderheader isn't the best 2-1 out their. IMOP it sounds like though. I must of been the lucky one, becuse I don't have that dip your talking about down low. But mine is Carburetored not FI. Now with the True Dual Rineharts thats a different story , wow mine was terrible. We could not dyno tune that out. But with the 2-1 TH it's all good now.
I will agree though I'm sure the 2-1 Thunderheader isn't the best 2-1 out their. IMOP it sounds like though. I must of been the lucky one, becuse I don't have that dip your talking about down low. But mine is Carburetored not FI. Now with the True Dual Rineharts thats a different story , wow mine was terrible. We could not dyno tune that out. But with the 2-1 TH it's all good now.
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