I agree I have a ST and want more power, removing cat, good after market free flowing mufflar and Kewl high flow intake will make a great difference in power. Like you I have not been able to find tuner, that is until now. Dynojet Power Commander V has just come out with one for the 2013 ST, RSS, and RT. Check Revzilla web site, selling for $411.63, their phone number is 877-792 9455. You can also check it out on Dynojet web site. How it compares to what and when Power Commander or Two Bros. Juice Box, I do not know since they have none yet for the 2013's.
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Akrapovic RT Exhaust - Dyno & Cat Removal Questions
- Thread starter stewartj239
- Start date
I agree I have a ST and want more power, removing cat, good after market free flowing mufflar and Kewl high flow intake will make a great difference in power. Like you I have not been able to find tuner, that is until now. Dynojet Power Commander V has just come out with one for the 2013 ST, RSS, and RT. Check Revzilla web site, selling for $411.63, their phone number is 877-792 9455. You can also check it out on Dynojet web site. How it compares to what and when Power Commander or Two Bros. Juice Box, I do not know since they have none yet for the 2013's.
stewartj239
New member
That is great to hear. I wonder what maps they offer with it. Typically they give you a stock map along with others for the most popular exhaust / filter combinations.
flybuddy
New member
Just an FYI on a couple of issues I've seen raised on this thread. Yes, you can remove the "CAT" on an RT which makes it less of a "DOG"
..When I removed mine, I left the stock muffler on and it was only about 2 decibels louder. It also ran well although I did get a little surging at mid level rpms. Startron fuel additive eliminated most of that. After a year with never having been in a shop I eventually had it hooked up to BUDS for updates. Whatever transpired there seemed to smooth it out completely and upped the fuel mileage by about 3mpg.
As far as cost on the cat-bypass. I had same thoughts about the expense given what I perceived it to be. Bought it anyway after SA lowered price and I changed my mind about the value of the mod when I installed it. It's VERY tight under there and every bend, hook, etc has to be perfect. I was very glad I didn't try to go cheap. If you look at it from the perspective of cat bypass OR aftermarket muffler, it's not only cost competitive but gives you more bang for the buck.
..When I removed mine, I left the stock muffler on and it was only about 2 decibels louder. It also ran well although I did get a little surging at mid level rpms. Startron fuel additive eliminated most of that. After a year with never having been in a shop I eventually had it hooked up to BUDS for updates. Whatever transpired there seemed to smooth it out completely and upped the fuel mileage by about 3mpg.As far as cost on the cat-bypass. I had same thoughts about the expense given what I perceived it to be. Bought it anyway after SA lowered price and I changed my mind about the value of the mod when I installed it. It's VERY tight under there and every bend, hook, etc has to be perfect. I was very glad I didn't try to go cheap. If you look at it from the perspective of cat bypass OR aftermarket muffler, it's not only cost competitive but gives you more bang for the buck.
have to agree with flybuddy.this thing has to be perfect or you wont get it on ihad one I had to send back,looked good but just wouldn't fit they to care of it very promptly,as to performance took bike to dealer other day,owner and mechanic both took test rides they are now looking into stocking catbypass and elkas said machine went from a tourer to a sport model
stewartj239
New member
Thanks flybuddy. Not to be ignorant, but what is BUDS? Is this a firmware update done by the dealer? Also, I am thinking that I will do the cat removal first, then maybe do the exhaust down the road. It sounds like both offer an equal performance gain, but removing the cat also gets rid of the heat that comes with it.
Bob Denman
New member
BUDS is the diagnostic computer that the dealer uses...
Somebody mentioned the issue of fuel injected systems being able to compensate for changes...
They can; but only up to a predetermined point. :shocked:
No doubt; removing the catalytic converter and installing a less-restrictive muffler will open things up, and let the bike breather easier...
But you'll also need to open up the breathing side of this "air pump" for maximum gains...
And you'll definitely be working in the realm of fuel controllers of some sort in order to keep your engine happy...
Risky ground indeed!
Somebody mentioned the issue of fuel injected systems being able to compensate for changes...
They can; but only up to a predetermined point. :shocked:
No doubt; removing the catalytic converter and installing a less-restrictive muffler will open things up, and let the bike breather easier...
But you'll also need to open up the breathing side of this "air pump" for maximum gains...
And you'll definitely be working in the realm of fuel controllers of some sort in order to keep your engine happy...
Risky ground indeed!
flybuddy
New member
Good point---I failed to mention that I installed a K&N air filter before the cat removal. As Bob said, BUDS is the dealer computer from BRP used to do ECM updates and diagnostics.
stewartj239
New member
OK. I'll check with my dealer. I'm assuming that this system also updates the software as well.
Coming from the 2-wheel world, these are pretty routine upgrades. I think the main question, as you've pointed out, is how far the stock ECM will adjust before you need an aftermarket tuner.
Bob Denman
New member
I guess that I've learned the HARD way just how expensive it can get... :shocked:
stewartj239
New member
For sure. Just looking at this thread, the cat removal kit, exhaust and PCV alone will run you close to $1500. I'm thinking that the stock ECM can handle the cat removal, but maybe not that and the exhaust, but at that point you're committed to having to buy the PCV. I might just go with the cat removal and leave it at that.
Now beyond this thread, I'm looking to get the Elka suspension, adjustable wind deflectors and the ISCI front brake. Those 3 items will run another $2500 on top of that!
SNOOPY
Active member
Just an FYI on a couple of issues I've seen raised on this thread. Yes, you can remove the "CAT" on an RT which makes it less of a "DOG"
As far as cost on the cat-bypass. I had same thoughts about the expense given what I perceived it to be. Bought it anyway after SA lowered price and I changed my mind about the value of the mod when I installed it. It's VERY tight under there and every bend, hook, etc has to be perfect. I was very glad I didn't try to go cheap. If you look at it from the perspective of cat bypass OR aftermarket muffler, it's not only cost competitive but gives you more bang for the buck.
Thank you both for your info, much appreciated. :thumbup:
Bob Denman
New member
bluestratos
New member
I have the Akrapovic Muffler already and it actual made a slight power improvement and a much better sounding exhaust note, not louder, just better. I have the cat bypass ordered and on its way and I have a performance chip coming as well. When they get here I will be wrapping everything back to the muffler. This will lower the heat under the Tupperwaree and should have a noticeable power increase ( I am told about 15% or higher). I won't know how much louder until I get it done this winter.
taxmyzer
New member
Keep us posted on the results.
Bob Denman
New member
:agree: A video with some sound in it would be pretty cool... :thumbup:
bluestratos
New member
Will do, the parts should all be here with in a few weeks, as soon as the weather turns wet I will start the winter projects.
Bob Denman
New member
Waiting patiently...
...tongs in hand :bbq::bbq::bbq:
...tongs in hand :bbq::bbq::bbq:
crazyspyder
New member
hyea:I had the dealer install my cat bypass and after market muffler, just to be safe of any warranty issues. after 5k miles and a service trip my dealer told me to invest on a power management, I was ok with one or the other ...but...both you will need it! :2thumbs: I had the exhaust HT titanium coated and titanium HT wrapped aswell..very cool!:clap:Bob Denman
New member
The more things you change; the more changes you need to make... :shocked:
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Yes an no!
If you replace the exhaust the computer will compensate, no need for any mods. If you change out the air filter for a high flow you will need to fatten up the fuel flow.
If you replace the exhaust the computer will compensate, no need for any mods. If you change out the air filter for a high flow you will need to fatten up the fuel flow.
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