New bike exhaust question
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Road Captain
Joined: Oct 2016
Posts: 638
Likes: 127
From: Kentucky
New bike exhaust question
Please dont bash me for this. But i wanna ask another tuner question. I have searched till im blue in the face with mixed results. I have a new 2016 street bob. An I am almost do for my 1k service. I already have several cosmetic items ordered and ready to be put on. An want to order a set of vance and hines big shots today. An plan to put them on in the next week or two right after first service. Granted everything checks out ok.. An want to know if i will be ok without a fuel pak or tuner with just the vh big shots. I can handle a little decel pop and cracking but i dont want to damage my bike or void a warrenty. But i already have a bunch of money tied up in this so i was hoping i could get by without a tuner atleast for a while till i can save up a lil more and get a nice one if needed. I dont care if i ever get a highflow air cleaner or more ponys for that matter. My bike is fast enough for me the way it is. I just want more sound. Stock pipes suck. Is there anybody out there running late models with after market exhuast without a tune? Does it run ok. Or should i just put the money i really dont wanna spend and get a tuner?
At first i was just gonna get slip ons. But i have read where a few people have said they werent very much improvement over stock on new bikes because of the cat and **** in the stock head pipes. So i have decided to go to a full exhaust system and really like the looks and sound of the big shots. Advice?
At first i was just gonna get slip ons. But i have read where a few people have said they werent very much improvement over stock on new bikes because of the cat and **** in the stock head pipes. So i have decided to go to a full exhaust system and really like the looks and sound of the big shots. Advice?
Last edited by hollandhunter; Nov 6, 2016 at 08:33 AM.
Road Master
Joined: Jun 2015
Posts: 836
Likes: 92
From: Sonoma Co - California Formaly East Bay
Please dont bash me for this. But i wanna ask another tuner question. I have searched till im blue in the face with mixed results. I have a new 2016 street bob. An I am almost do for my 1k service. I already have several cosmetic items ordered and ready to be put on. An want to order a set of vance and hines big shots today. An plan to put them on in the next week or two right after first service. Granted everything checks out ok.. An want to know if i will be ok without a fuel pak or tuner with just the vh big shots. I can handle a little decel pop and cracking but i dont want to damage my bike or void a warrenty. But i already have a bunch of money tied up in this so i was hoping i could get by without a tuner atleast for a while till i can save up a lil more and get a nice one if needed. I dont care if i ever get a highflow air cleaner or more ponys for that matter. My bike is fast enough for me the way it is. I just want more sound. Stock pipes suck. Is there anybody out there running late models with after market exhuast without a tune? Does it run ok. Or should i just put the money i really dont wanna spend and get a tuner?
At first i was just gonna get slip ons. But i have read where a few people have said they werent very much improvement over stock on new bikes because of the cat and **** in the stock head pipes. So i have decided to go to a full exhaust system and really like the looks and sound of the big shots. Advice?
At first i was just gonna get slip ons. But i have read where a few people have said they werent very much improvement over stock on new bikes because of the cat and **** in the stock head pipes. So i have decided to go to a full exhaust system and really like the looks and sound of the big shots. Advice?
Road Master
Joined: Apr 2015
Posts: 1,013
Likes: 32
From: Elk Grove, California
Road Master
Joined: Oct 2014
Posts: 864
Likes: 56
From: U.s.
I agree you should get a tuner, and breather even if you're just going for sound. EFI takes data from the sensors and responds accordingly. I once heard a guy who dyno tunes bikes that its not an absolute necessity depending on your engine modifications. You'll probably be ok, but I personally wouldn't and didn't do it. Also, I have the FP3. I haven't had any problems with it but I wouldn't buy it again.
Anyway, read through this.
https://www.hdforums.com/forum/dyna-...er-update.html
Anyway, read through this.
https://www.hdforums.com/forum/dyna-...er-update.html
Grand HDF Member
Joined: Nov 2012
Posts: 3,515
Likes: 887
From: Upstate New York
If you just replace the stock exhaust with a free flowing exhaust and leave the air cleaner stock you will NOT need a tune. The ECM will adjust. However, you will probably get decel pop and lose some bottom end torque.
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Tourer
Joined: Sep 2012
Posts: 470
Likes: 111
From: Huntington Beach
The cat(s) are in the muffler on the Street Bob, not in the header pipes. Slip on's would eliminate the cats on your bike. I have S&S Slip on's on my SB and they sound great. Why spend all that extra money modding your Bob and not get a tuner? Your bike will run without one but it will run alot better with one. If your going to do it, you may as well do it right.
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