screaming eagle street cannons
Outstanding HDF Member
Joined: May 2007
Posts: 2,921
Likes: 199
From: Skunk Hollow, TX
Not sure why .. ... It seems to be the magic combo for this engine.
Cruiser
Joined: Feb 2014
Posts: 153
Likes: 2
From: Beaverton
I don't know for sure why either. I read this piece before I installed mine and its almost exactly what I got. They claim it was their number one torque producing pipe for what that is worth and tested quite a few combinations.
Would have helped though if I had posted the link I intended to put in the post.
http://www.utahharleytech.com/?p=281
Last edited by Joe S.; Oct 5, 2014 at 03:01 PM.
Stellar HDF Member
Joined: Feb 2013
Posts: 2,325
Likes: 333
From: Upper Providence Pa
I have them on my '15 CVO with a PV-2 tuner, 2-1-2 FM header, use them for long hauls and all, its a nice setup. But when I put my 4" jackpots on, the engine certainly comes alive and becomes more responsive with throttle response.
If I've typed it once, I bet I've typed it 20 times...
The FIRST thing a man should do when considering making changes is GET A TUNER. It will help a stock bike, and when you change pipes, nufflers and or air cleaner, you're ready for it.
Can you change mufflers and run without a tuner? Yes.
Will you blow your engine up if you change mufflers and run without a tuner? Probably not.
Can you expect to get 50,000 miles out of your engine if you change mufflers and run without a tuner? Most likely.
Will it run correctly if you change mufflers and run without a tuner? No.
Dealers and their parts and service departments are a business, in business to sell motorcycles, and motorcycle parts and accessories. They tell you that you can get away without a tuner, because a LOT of guys won't come off the jack for a tuner, and they're afraid they'll lose sales if they tell you to get a tuner.
Changing the air flow without changing the VE tables is not beneficial. These bikes run lean from the factory, adding a more free flowing exhaust makes them run more lean.
Do what you want, I won't criticize, just trying to offer things to think about.
...but there is a reason I won't buy a used bike as my primary ride...
The FIRST thing a man should do when considering making changes is GET A TUNER. It will help a stock bike, and when you change pipes, nufflers and or air cleaner, you're ready for it.
Can you change mufflers and run without a tuner? Yes.
Will you blow your engine up if you change mufflers and run without a tuner? Probably not.
Can you expect to get 50,000 miles out of your engine if you change mufflers and run without a tuner? Most likely.
Will it run correctly if you change mufflers and run without a tuner? No.
Dealers and their parts and service departments are a business, in business to sell motorcycles, and motorcycle parts and accessories. They tell you that you can get away without a tuner, because a LOT of guys won't come off the jack for a tuner, and they're afraid they'll lose sales if they tell you to get a tuner.
Changing the air flow without changing the VE tables is not beneficial. These bikes run lean from the factory, adding a more free flowing exhaust makes them run more lean.
Do what you want, I won't criticize, just trying to offer things to think about.
...but there is a reason I won't buy a used bike as my primary ride...
Seasoned HDF Member
Joined: Mar 2005
Posts: 7,611
Likes: 104
From: Southern Colorado
The decel pop happens every now and then but hasn't been anything that I consider irritating or make me want to consider mapping. And I'm pretty **** about such things.
Cruiser
Joined: Apr 2010
Posts: 211
Likes: 1
I was told the same thing"No Tuner Needed" Within 50 miles my front headpipe turned bright blue back still looked new Before 1,000 service 43 mpg after pipes and no tune 37mpg, decel pop, and a pretty blue front heaf pipe that matched the bike. And the heat holy cow burned twice through my jeans. Harley is not going to do anything but stage 1 download. I understand the law( EPA Bull.). The dealer has been NO, NO , NO HELP AT ALL. Even after Moco approved the download. GAMES with the service manager. As Safetyman has stated these bikes are leaner from the factory then ever before to meet EPA. ANY CHANGE I am finding out the hard way is not good for the bike or the rider. Too much money to just melt it down. The Moco may have built it but bottom line it is still my ride.
Stellar HDF Member
Joined: Feb 2013
Posts: 2,325
Likes: 333
From: Upper Providence Pa
If I've typed it once, I bet I've typed it 20 times...
The FIRST thing a man should do when considering making changes is GET A TUNER. It will help a stock bike, and when you change pipes, nufflers and or air cleaner, you're ready for it.
Can you change mufflers and run without a tuner? Yes.
Will you blow your engine up if you change mufflers and run without a tuner? Probably not.
Can you expect to get 50,000 miles out of your engine if you change mufflers and run without a tuner? Most likely.
Will it run correctly if you change mufflers and run without a tuner? No.
Dealers and their parts and service departments are a business, in business to sell motorcycles, and motorcycle parts and accessories. They tell you that you can get away without a tuner, because a LOT of guys won't come off the jack for a tuner, and they're afraid they'll lose sales if they tell you to get a tuner.
Changing the air flow without changing the VE tables is not beneficial. These bikes run lean from the factory, adding a more free flowing exhaust makes them run more lean.
Do what you want, I won't criticize, just trying to offer things to think about.
...but there is a reason I won't buy a used bike as my primary ride...
The FIRST thing a man should do when considering making changes is GET A TUNER. It will help a stock bike, and when you change pipes, nufflers and or air cleaner, you're ready for it.
Can you change mufflers and run without a tuner? Yes.
Will you blow your engine up if you change mufflers and run without a tuner? Probably not.
Can you expect to get 50,000 miles out of your engine if you change mufflers and run without a tuner? Most likely.
Will it run correctly if you change mufflers and run without a tuner? No.
Dealers and their parts and service departments are a business, in business to sell motorcycles, and motorcycle parts and accessories. They tell you that you can get away without a tuner, because a LOT of guys won't come off the jack for a tuner, and they're afraid they'll lose sales if they tell you to get a tuner.
Changing the air flow without changing the VE tables is not beneficial. These bikes run lean from the factory, adding a more free flowing exhaust makes them run more lean.
Do what you want, I won't criticize, just trying to offer things to think about.
...but there is a reason I won't buy a used bike as my primary ride...
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Road Warrior
Joined: Nov 2006
Posts: 1,462
Likes: 121
From: Northern Illinois
IMO after spending that kind of cash on a new bike you should optimize the fueling. It will run OK, but it will be even more lean than the stock setup. Why cheese out at this point?
I bought the Street Cannons for my Limited based on positive reviews on this forum. I am enjoying the sound.
I bought the Street Cannons for my Limited based on positive reviews on this forum. I am enjoying the sound.
Last edited by dswansbiker; Oct 5, 2014 at 05:59 PM.
