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ECM/Fuel Management systems ECM/Fuel Management systems For Road Glides

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post #1 of 17 (permalink) Old 04-26-2019, 02:58 PM Thread Starter
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SE Pro Street Tuner-Gains?

First off, I know the powervision tuner would be my choice if warranty wasn't an issue. I have an extra 2yrs warranty(4yr total) when I bought my 2018 RGS, advised with so much electronics(touchscreen, modules, etc.).

Soooo, currently only have S&S Grand National slip-ons(EPA approved). Also bought the V&H VO2 naked air cleaner kit(not installed). I can't stand the heat off the cat, and offered no fix under warranty. Is it worth installing the SE Pro Street Tuner and VO2 air cleaner kit for now or stay stock for another 3yrs? Looking for feedback from those who did the SE stage 1, over stock on these M8's.

This isn't my first rodeo, for real gains, a cam is the way to go for decent hp. But not going there under warranty. Down the road an S&S 475 cam and Powervision will be in order.
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post #2 of 17 (permalink) Old 04-26-2019, 04:31 PM
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Originally Posted by 18 Wicked Special View Post
First off, I know the powervision tuner would be my choice if warranty wasn't an issue. I have an extra 2yrs warranty(4yr total) when I bought my 2018 RGS, advised with so much electronics(touchscreen, modules, etc.).

Soooo, currently only have S&S Grand National slip-ons(EPA approved). Also bought the V&H VO2 naked air cleaner kit(not installed). I can't stand the heat off the cat, and offered no fix under warranty. Is it worth installing the SE Pro Street Tuner and VO2 air cleaner kit for now or stay stock for another 3yrs? Looking for feedback from those who did the SE stage 1, over stock on these M8's.

This isn't my first rodeo, for real gains, a cam is the way to go for decent hp. But not going there under warranty. Down the road an S&S 475 cam and Powervision will be in order.
Well the Street Tuner won't cure your heat issue from the CAT completely. Maybe only a little bit at best. Your only options for that, to keep warranty, are the fans that mounts behind the rear cylinder OR the very expensive SE high flow exhaust system that comes with Street cannon mufflers that have the CATS in them.

Now before anyone starts blasting that exhaust system, I can say that it has a real nice sound and performs really well and I have zero complaints about heat. Putting the CATS in the mufflers really helps take the heat away from the rider and passenger. I probably would not have bought it if I had not found it for the price I did but I am super happy with it and even when I do warranty voiding engine upgrades I'm planning to keep this exhaust. It is made by Gibson and they have done a very nice job with it in my opinion. The only drawback is that it's not vey loud at idle and because of the size of the pipes at the outlet of the header there are no aftermarket options for slip-ons down the road. Only the SC mufflers that come with the system fit.

Now that I have written all of that I remember that S&S has a 2-1 system that has the CAT in the muffler and I believe they came out with a set of mufflers that have the CATS in them so that you may use a CAT-less headpipe. Worth investigating anyway. Hope this helps.
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post #3 of 17 (permalink) Old 04-26-2019, 05:06 PM
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Well the Street Tuner won't cure your heat issue from the CAT completely. Maybe only a little bit at best. Your only options for that, to keep warranty, are the fans that mounts behind the rear cylinder OR the very expensive SE high flow exhaust system that comes with Street cannon mufflers that have the CATS in them.

Now before anyone starts blasting that exhaust system, I can say that it has a real nice sound and performs really well and I have zero complaints about heat. Putting the CATS in the mufflers really helps take the heat away from the rider and passenger. I probably would not have bought it if I had not found it for the price I did but I am super happy with it and even when I do warranty voiding engine upgrades I'm planning to keep this exhaust. It is made by Gibson and they have done a very nice job with it in my opinion. The only drawback is that it's not vey loud at idle and because of the size of the pipes at the outlet of the header there are no aftermarket options for slip-ons down the road. Only the SC mufflers that come with the system fit.

Now that I have written all of that I remember that S&S has a 2-1 system that has the CAT in the muffler and I believe they came out with a set of mufflers that have the CATS in them so that you may use a CAT-less headpipe. Worth investigating anyway. Hope this helps.
If that exhaust was made by Gibson you can bet it is a good one. I ran a Gibson exhaust on my Supercharged Toyota pickup for over 10 years without an issue and the sound was decent. I know I know that's a truck and we are talking bikes, just my $.02 on the company. You can go to the CARB website and they have a layout of all exhaust system parts by different manufacturers that are perfectly within spec per different executive orders to use on an M8 bike. In short, it will not fuck with your warranty because it is capable of increasing power without taking the emissions out of the specified range.
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post #4 of 17 (permalink) Old 04-26-2019, 05:50 PM
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I have that tuner on my bike(and wanted to keep my warranty), does not help with the heat. Now for me, I feel it smoothed out my throttle, a bit better throttle response and just seems to run a bit better. I will also state, it worked for me as I do not plan on engine type of upgrades.

Almost forgot, I also have a set of Street Cannons, which I like.
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post #5 of 17 (permalink) Old 04-26-2019, 05:59 PM
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Quote:
Originally Posted by 18 Wicked Special View Post
First off, I know the powervision tuner would be my choice if warranty wasn't an issue. I have an extra 2yrs warranty(4yr total) when I bought my 2018 RGS, advised with so much electronics(touchscreen, modules, etc.).

Soooo, currently only have S&S Grand National slip-ons(EPA approved). Also bought the V&H VO2 naked air cleaner kit(not installed). I can't stand the heat off the cat, and offered no fix under warranty. Is it worth installing the SE Pro Street Tuner and VO2 air cleaner kit for now or stay stock for another 3yrs? Looking for feedback from those who did the SE stage 1, over stock on these M8's.

This isn't my first rodeo, for real gains, a cam is the way to go for decent hp. But not going there under warranty. Down the road an S&S 475 cam and Powervision will be in order.
After 6 smart tunes I'm happy.

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post #6 of 17 (permalink) Old 04-26-2019, 06:02 PM Thread Starter
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No plans to change the exhaust any further, other than decat after warranty. The heat is just my pet peeve. Wondering if enriching the fuel some had any effect.

More looking to find out if the minor tuner programming is worth the difference over stock, as FLTRXS18 mentioned smoother/crisper throttle response.
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post #7 of 17 (permalink) Old 04-26-2019, 07:12 PM
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Originally Posted by 18 Wicked Special View Post
No plans to change the exhaust any further, other than decat after warranty. The heat is just my pet peeve. Wondering if enriching the fuel some had any effect.

More looking to find out if the minor tuner programming is worth the difference over stock, as FLTRXS18 mentioned smoother/crisper throttle response.
Even though it is limited compared to the PV or TMax it will improve the tune much better than not doing anything. You will have limited ability to richen things up however that is the last thing you want to do if your only goal is to make the CAT cooler. Running a richer mixture will only make a CAT hotter as it is designed to burn up the excess fuel and exhaust gases that would be released into the atmosphere. Adding more causes it to burn more hence making it get hotter. Like stated above, running a few smart tune sessions and downloading the new maps each time can really make your bike run smoother. The heat from the CAT will just be there so maybe the fans would be in order to help that aspect.
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post #8 of 17 (permalink) Old 04-26-2019, 10:33 PM
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The Tuner is garbage ! You will have to deal with the heat if you want to keep the Warranty.


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post #9 of 17 (permalink) Old 04-27-2019, 06:27 PM Thread Starter
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Even though it is limited compared to the PV or TMax it will improve the tune much better than not doing anything. You will have limited ability to richen things up however that is the last thing you want to do if your only goal is to make the CAT cooler. Running a richer mixture will only make a CAT hotter as it is designed to burn up the excess fuel and exhaust gases that would be released into the atmosphere. Adding more causes it to burn more hence making it get hotter. Like stated above, running a few smart tune sessions and downloading the new maps each time can really make your bike run smoother. The heat from the CAT will just be there so maybe the fans would be in order to help that aspect.
A richer mixture will make the motor run slightly cooler. Guess the cat an inverse result. I never had this issue with Evo's & Twin Cams, then again the motors keep growing in displacement(80, 95, 107). First one with a catalytic converter too.

How often do they come out with new maps? I figured after the stage 1 map was loaded, the smart tunes dialed it in closer. Repeat the process every time a new map comes out?
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post #10 of 17 (permalink) Old 04-27-2019, 08:15 PM
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A richer mixture will make the motor run slightly cooler. Guess the cat an inverse result. I never had this issue with Evo's & Twin Cams, then again the motors keep growing in displacement(80, 95, 107). First one with a catalytic converter too.

How often do they come out with new maps? I figured after the stage 1 map was loaded, the smart tunes dialed it in closer. Repeat the process every time a new map comes out?
They don't come out with new maps that frequently and if you have done some smart tune sessions and feel that your running good I wouldn't worry too much about it.
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