2018 Fat Bob sound clips
Seasoned HDF Member
Joined: Apr 2014
Posts: 5,814
Likes: 2,554
From: UK
Yes they do. I am pleased with mine.
I was at my dealer on Thursday waiting upstairs in their coffee lounge while they did the 1K service, and I heard a really nice sounding bike going down the street. Looked out the window and it was the tech riding mine down the street. That made me smile as it's difficult to really hear the tone of your own bike while you are riding along with a FF helmet on.
I was at my dealer on Thursday waiting upstairs in their coffee lounge while they did the 1K service, and I heard a really nice sounding bike going down the street. Looked out the window and it was the tech riding mine down the street. That made me smile as it's difficult to really hear the tone of your own bike while you are riding along with a FF helmet on.
Intermediate
Joined: Aug 2013
Posts: 36
Likes: 1
From: Cary NC
Thanks so much for posting! I found this really helpful, and love the sound of the Grand Nationals.
If you don't mind me asking: how did you alter the bike's tune for the new pipes please? Leave as is? HD official tuner? FuelPak 3?
I'm considering the S&S air cleaner, or the HD Heavy Breather, and am wondering how to tune. I've been very pleased with the FP3 on my Ultra Limited, but there's plenty of space to leave it mounted on that bike. I'm not sure if there's room on the Fat Bob.
Many thanks in advance for your help.
If you don't mind me asking: how did you alter the bike's tune for the new pipes please? Leave as is? HD official tuner? FuelPak 3?
I'm considering the S&S air cleaner, or the HD Heavy Breather, and am wondering how to tune. I've been very pleased with the FP3 on my Ultra Limited, but there's plenty of space to leave it mounted on that bike. I'm not sure if there's room on the Fat Bob.
Many thanks in advance for your help.
Grand HDF Member
Joined: Jun 2010
Posts: 4,584
Likes: 918
From: coast to coast
Yes they do. I am pleased with mine.
I was at my dealer on Thursday waiting upstairs in their coffee lounge while they did the 1K service, and I heard a really nice sounding bike going down the street. Looked out the window and it was the tech riding mine down the street. That made me smile as it's difficult to really hear the tone of your own bike while you are riding along with a FF helmet on.
I was at my dealer on Thursday waiting upstairs in their coffee lounge while they did the 1K service, and I heard a really nice sounding bike going down the street. Looked out the window and it was the tech riding mine down the street. That made me smile as it's difficult to really hear the tone of your own bike while you are riding along with a FF helmet on.
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Club Member
Joined: Aug 2008
Posts: 2,875
Likes: 197
From: Texas
Thanks so much for posting! I found this really helpful, and love the sound of the Grand Nationals.
If you don't mind me asking: how did you alter the bike's tune for the new pipes please? Leave as is? HD official tuner? FuelPak 3?
I'm considering the S&S air cleaner, or the HD Heavy Breather, and am wondering how to tune. I've been very pleased with the FP3 on my Ultra Limited, but there's plenty of space to leave it mounted on that bike. I'm not sure if there's room on the Fat Bob.
Many thanks in advance for your help.
If you don't mind me asking: how did you alter the bike's tune for the new pipes please? Leave as is? HD official tuner? FuelPak 3?
I'm considering the S&S air cleaner, or the HD Heavy Breather, and am wondering how to tune. I've been very pleased with the FP3 on my Ultra Limited, but there's plenty of space to leave it mounted on that bike. I'm not sure if there's room on the Fat Bob.
Many thanks in advance for your help.
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Grand HDF Member
Joined: Jun 2010
Posts: 4,584
Likes: 918
From: coast to coast
I have the stage 1 download with the SEST. There is now a slight popping on decel due (I think) to the reduction in back pressure with the Grand Nationals. As ADM has noted before, the S&S mufflers have a 2" core, whereas the Street Cannons are 1'1/4" The popping isn't bad enough to make me want to do something about it immediately, although down the road I may spring for the cables and use the SEST's tuning program to true it up. It's a nice, mellow tone now, neither too loud nor too muted.
Last edited by Thingfish; Nov 13, 2017 at 04:57 PM.
I have the stage 1 download with the SEST. There is now a slight popping on decel due (I think) to the reduction in back pressure with the Grand Nationals. As ADM has noted before, the S&S mufflers have a 2" core, whereas the Street Cannons are 1'1/4" The popping isn't bad enough to make me want to do something about it immediately, although down the road I may spring for the cables and use the SEST's tuning program to true it up. It's a nice, mellow tone now, neither too loud nor too muted.
They will also give you a gain in low and mid range torque.
They deepen the tone of your exhaust a bit as well, giving it a throatier growl.
Here is LINK to our TTIs.
There you'll find lots of sound clips and Dyno Charts as well as some very useful information.
These are absolutely the best mod you can do to your exhaust when comparing results per dollar spent(29.95).
Write or call with any questions you may have.
Cristy
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Cristy
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Cristy
FREE SHIPPING - ORDERS OF $100 OR MORE - LOWER 48 STATES
www.DKCustom.com
Call: 662-252-8828
Text: 662-420-4891
Email: Support@DKCustomProducts.com
Last edited by DK Custom - ST; Nov 13, 2017 at 03:59 PM.