Questions about upgrading etc - Road Glide Forums
Intake and Exhaust Intake and Exhaust Systems for Road Glides

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post #1 of 15 (permalink) Old 01-02-2018, 07:18 PM Thread Starter
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Questions about upgrading etc

Ok first off, I have a 2015 RGS with close to 17,000 miles. The bikes been running wonderfully since I bought it in February 2016 new. I added a few things right off the bat (creature comfort improvements mostly like new seat, bars etc), but I've kept the engine, breather and pipes stock.

Here's the thing, I'm happy overall with the bikes performance, it's just the heat from the catalytic converter being located in the head pipes that I could do without. With the newer M8 bikes I noted that they moved the CC down into the tailpipes like other motorcycle manufacturers. Wished they'd done that with the Rushmore improvements, ah well what can you do.

Also, if I can improve the engine and how it runs, making it a bit cooler and efficient then I'm happy to do that. I figure more air into the engine would be a good thing. I also want to keep the bike running reliably, I don't want to get stuck with a persnickety, temperamental bike due to changing things on the bike. Also I'd like to keep the warranty valid and not run into issues with registering if I end up out in CA say.

So with that in mind I went and looked at the parts that HD has on their website and put together a list of items and went to my local dealerships where I've been having all the work done so far on the bike and where I also bought it. Thing is they're trying to talk me out of going with the Screamin' Eagle parts. They aren't giving me enough information though I do ask questions to help me figure out why the parts guy is trying to get me to go with other parts.

The list of items I had were the following...

$299.95 Screamin' Eagle Ventilator Elite Air Cleaner Kit - Chrome
$1299.95 Screamin' Eagle High Flow Exhaust System Street Cannons - Chrome
$89.95 (pipe short slash end caps)
$399.95 (Screamin' Eagle Smart Tune PRO automatic Tuning Module)
$299.95 (Screamin' Eagle PRO Street Tuner)
$29.85 Screamin' Eagle Tuner Cable Kit

That about covers it, not counting tax, labor and shop supplies. Anyhow as I said, the reason I was looking at this is because I'm looking to make the bike run cooler, more efficient and yet remain reliable and not void warranty. Am I approaching this wrong? Any advice would be really appreciated. I want to get this all done before late spring when I plan in making a cross country trip and I don't want to make the bike persnickety and unreliable as I said.
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post #2 of 15 (permalink) Old 01-03-2018, 09:33 AM
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Not sure of how it will affect warranty but look into A ceramic header. It will radiate less heat. Fuel Moto makes one that uses stock heat guards.
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post #3 of 15 (permalink) Old 01-03-2018, 09:44 AM
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I had modded my ‘08 in ways only I could appreciate and work on.
My new ‘18 is as nice as my ‘08, though completely stock, and it’s going to stay that way.


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post #4 of 15 (permalink) Old 01-03-2018, 11:24 AM
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Unless you're just locked into Harley Davidson performance parts, there's a huge selection of aftermarket intakes, exhaust systems and tuners that would work great on your bike, be kinder to your wallet and help achieve your goals of improved performance without giving up any reliability.

FuelMoto, Vance&Hines, Rinehart, Rush etc. all have components that earn at least a cursory investigation before jumping onto the Screamin' Eagle bandwagon. Now.... no offense to the SE stuff but IMHO you can easily find much better value in the aftermarket space.
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post #5 of 15 (permalink) Old 01-03-2018, 11:43 AM
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Quote:
Originally Posted by wevsspot View Post
Unless you're just locked into Harley Davidson performance parts, there's a huge selection of aftermarket intakes, exhaust systems and tuners that would work great on your bike, be kinder to your wallet and help achieve your goals of improved performance without giving up any reliability.

FuelMoto, Vance&Hines, Rinehart, Rush etc. all have components that earn at least a cursory investigation before jumping onto the Screamin' Eagle bandwagon. Now.... no offense to the SE stuff but IMHO you can easily find much better value in the aftermarket space.
I would have to totally agree with that statement.

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post #6 of 15 (permalink) Old 01-03-2018, 12:36 PM
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Call Jamie at FM or one of the other tuner's on the site. If you just add a tuner and slip-ons, and don't replace the head pipe with a non Catted pipe, you really aren't achieving your goal to remove all the heat.
Being it's a pre M8 model,you shouldn't have a lot of problems with warranty unless one of the parts used, caused the problem.
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post #7 of 15 (permalink) Old 01-03-2018, 05:40 PM
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Hard to argue with what's already been said. I have a 2015 and went aftermarket. Jackpot ceramic coated & stainless steel head pipes, Jackpot exhaust, Arlen Ness Inverted air cleaner, and a Power Vision tuner and it runs great and cooler. Only thing I did for performance additionally was a 555 cam. Fuel Moto was great to work with and I have had no issues with the aftermarket parts that perform better than Harley parts.

Quote:
Originally Posted by Big_gary View Post
Call Jamie at FM or one of the other tuner's on the site. If you just add a tuner and slip-ons, and don't replace the head pipe with a non Catted pipe, you really aren't adchieving your goal to remove all the heat.
Being it's a pre M8 model,you shouldn't have a lot of problems with warranty unless one of the parts used, caused the problem.
Quote:
Originally Posted by wevsspot View Post
Unless you're just locked into Harley Davidson performance parts, there's a huge selection of aftermarket intakes, exhaust systems and tuners that would work great on your bike, be kinder to your wallet and help achieve your goals of improved performance without giving up any reliability.

FuelMoto, Vance&Hines, Rinehart, Rush etc. all have components that earn at least a cursory investigation before jumping onto the Screamin' Eagle bandwagon. Now.... no offense to the SE stuff but IMHO you can easily find much better value in the aftermarket space.
Quote:
Originally Posted by Blackthunder View Post
Not sure of how it will affect warranty but look into A ceramic header. It will radiate less heat. Fuel Moto makes one that uses stock heat guards.

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post #8 of 15 (permalink) Old 03-19-2018, 11:42 AM Thread Starter
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Quote:
Originally Posted by wevsspot View Post
Unless you're just locked into Harley Davidson performance parts, there's a huge selection of aftermarket intakes, exhaust systems and tuners that would work great on your bike, be kinder to your wallet and help achieve your goals of improved performance without giving up any reliability.

FuelMoto, Vance&Hines, Rinehart, Rush etc. all have components that earn at least a cursory investigation before jumping onto the Screamin' Eagle bandwagon. Now.... no offense to the SE stuff but IMHO you can easily find much better value in the aftermarket space.

Ok, first I want to thank everyone for the replies. I meant to get back to everyone last month and actually thought I had replied but now see that I didn't. Was a hectic Feb. :/ Anyhow I ended up going with Rinehart Slimlines. At first I was going to go with the Rinehart Xtreme Duals but I didn't like how the rear head pipe crossed in front of the oil entry plug. I figured that would make adding oil more difficult, so I swapped to the Slimlines.

I also went with the Screamin' Eagle Ventilator Elite Air Cleaner Kit, Part Number 29400217 and the Power Vision Licence. I had them do a full mapping of it on the Dyno etc. Remember the changes I was seeking was for the engine to run more efficiently, to run cooler. My whole thought that by getting rid of the stock pipes with the catalytic converter in the head pipe, replacing the air breather with one that allowed for more/better air flow and having it remapped that it would run better and cooler.

First, the difference is significant, the bike runs a lot better. It's very noticeable across all gears and speeds. The response and power just feels much better, more immediate and the engine just feels better for a lack of a better term. Now for the caveats. The mechanic after doing the work had a few words for me. He said that set the front/forward head to run richer fuel wise. That I'd notice a smell of fuel if I was idling, which did turn out to be true.

That annoys me a bit but that wasn't the thing I noticed the most. The first warmer day that I was out running the bike I noted that the heat coming off of the front head/front part of the head pipe was significant and it wasn't a warm day it was in the 50's. Made me a bit worried that the heat during the 90 to 115 degree days would be terrible. Not only that, I was worried would this effect would be on the engines durability and running efficiently.

Basically I'm confused as to what to say to the dealership. I had spoken to them numerous times that my main focus was on making the engine run better, cooler and more efficiently. I spend more time on the highways/interstates running for hours at a time and wanted to make the bike more reliable and better running when the weather got hot.

Instead while impressed with how responsive the engine is through the gears/powerband I'm now worried that the engine will fail, becoming unreliable. Not only that, that the heat coming off of it in the summer months will make it unbearable. Oh and the mechanic recommended keeping the EITMS off at least while the weather was cooler.

Anyhow, anyone have any information and advice for me here? Is the engine becoming damaged with the work HD dealership did to it? I'm not fond of sucking up gas fumes in traffic either nor that the heat issue instead of becoming lessoned is now a bit further forward and clearly more there than before. The final Dyno numbers on my paperwork say that the final HP is now 85.61 and the final torque is 104.08, just as an aside. A bit busy the next few weeks but I'll try to check back to read any information posted. Thanks again to those who replied previously.
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post #9 of 15 (permalink) Old 03-20-2018, 02:35 PM
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Hey Acme, I'm no professional tuner but the over-whelming fuel smell and extremely hot running front jug certainly don't sound right to me. I don't read many complaints from people here or elsewhere after their bikes are tuned by a competent professional. So off hand I'd say that something's not right, but that's an opinion and definitely not an opinion coming from an expert.

I have however heard from many many Harley owners that swear they wouldn't ever let the dealership tune their bikes for them. Something to think about since you have purchased and installed good parts that ought to be playing well together.

This might be a case where you want to seek out a highly recommended and respected tuner somewhere near you and pick their brain about it.
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post #10 of 15 (permalink) Old 03-20-2018, 06:14 PM
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I would defiantly find a competent indy tuner to make sure all is good with the tune. Factory tunes are lean, lean = heat, and add a cat and its even hotter. If the tuner made the front cylinder "Richer", richer than what? The factory tune? Richer than the rear after the tune? Maybe timing is off? Lot of stuff going on here that, if it was me, I would get checked out. Maybe the tune is good, but for piece of mind I would get it checked if it was my bike.

As much as a great tune can make a engine run incredible, the opposite can be said for a bad tune.
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