( Thee ) exhaust mod by Captain Ron

[FerrariTruck]

Well I paid $3500 bucks for my buell with a clean title... This $5 dollar exhaust mod sounds good to me. Hell if this all i need to do so it doesnt sound like a lawn mower I am doing it this weekend

 

[markwoodlief]

Again I must repeat this does not work.. seriously.. I did this to my 2007 Ulysses last week, my work looks exactly as your pictures.. yes.. I reread each word, etc.. The sound was seriously not that much different.. Now.. what I can attest to and posted a video on youtube with, is that afer I tried this mod and was disatisfied, I went with home hacked up pipe mod #2, Cut the thing in three pieces removed all the junk and rewelded it.. I found a local iron shop in seattle and the owner was bored so we used his band saw for a clean cut and his welding eqipment to put it back together.. now the sounds is quite amazing, not too loud, but a great deep rumble.. really loving it.. So much so that I dont think I'm even going to order an aftermarket pipe for it.. I had a fellow uylsses rider that lives close by verify my sanity, he is absolutely thrilled with mine so much so that his is going on the chopping block soon..

Im not trying to knock you at all captain, seriously.... I realize were are each going off our own experience.. My experience with my Uly was a slight lower rumble during idle, a little more noise during WOT, and no difference at all in normal rev ranges..

just my opion.. my piep really sounds great now... so much so that i think i actually prefer this sound to any of the after market exhaust that ive heard on buells..

 

[mrdozer2you]

so much so that i think i actually prefer this sound to any of the after market exhaust that ive heard on buells..

So basically its a hollowed out can? The headers dump into more or less an expansion chamber? Did you use any packing? That may be asking for trouble in the long run...but im no expert. [confused]

 

[markwoodlief]

the header dumps down into the interactive exhaust system pipe which goes a few more inches then opens up the middle of the can, then I left the back of the pipe in as well about 3 inches on that one.. so I basically removed the walls on each side and all the center tubing, but left a few inches on each side and left my interactive valve hooked up completely as it was stock..

I dont see running into any isses at all.. I put the Hi Flow Air filter on, and adjusted the idling squares on ECMSpy and its amazingly a different bike.. really really smooth.. idles just under 1000 and the blinkers dont shake like they used to..

Hope that answers any questions..

 

[shilohsk8]

Hey Mark, can you explain to me a little more about what you did? I really want to do this this weekend. Thanks

 

[riding_tall]

I'm also interested. If Im reading this right and using the digram captain13ron posted you cut through a few inch's in on each side of chamber B and pulled the three pipes out and welded it all back up ? How did you know where to make the cut's ? also a link to your video on youtube would be much appreciated.

 

[LeFox]

yes i finally posted my low cost buell exhaust mod on u tube so you can judge for youself if it is louder than stock. but i still can't wait to get race, d&d, or micron exhaust. enjoy![smirk]

edit: took the liberty of posting it in the topic with the correct codes

 

[captain13ron]

thank's LeFox! so alway's very helpful, unselfish, and empathetic to others on this site. i don't what your day job is, but i just bet your sucsessfull at it![up]

 

[bmac_206]

Captain, I just finished this mod on my 2005 xb12r and must thank you. I am very satisfied with the sound of my bike. Not too Loud, Not too Quiet, Just Right!! I used a 1 5/8 hole saw to punch the hole. I then wrapped my header with copper wrap. Sounds Bad AZZ!! Thanks

 

[WULFGODSXB]

has any one out there tried removing the hole piece of pipe in the last section of can instead of drilling it????? i'm thinking after looking at pipe diagram that it may work well and still allow for plenty of back pressure

 

[bmac_206]

I dont believe it will if you remove the entire pipe. But thats just my opinion.

 

[captain13ron]

how about this; cut the very end (last 4 or five inches) off,flush with the divider. plug the center hole, put a left and right tailpipes on the other holes! you would have to remap, but it would be a straitpipe on the left and the right side would work when the valve opened at higher RPM. VVVVRRROOOMMM

 

[WULFGODSXB]

i'm thinking that is what the special opps pipe is because he removes 4" from pipe puts dual tips on it and retains valve.

 

[shilohsk8]

how about this; cut the very end (last 4 or five inches) off,flush with the divider. plug the center hole, put a left and right tailpipes on the other holes! you would have to remap, but it would be a straitpipe on the left and the right side would work when the valve opened at higher RPM. VVVVRRROOOMMM

But what about back pressure when you have a straight pipe on the left?

 

[captain13ron]

yeh, you would want some kind of resistance in there. but how much back pressure is in a jardine? or other pipes. but cutting up a pipe is easy, tuning your ECM is where the work is.

 

[shilohsk8]

I agree the ECM tuning is the kicker. You definitely need some dyno time to properly tune your ECM and that's always expensive if you don't have a hook-up. I have been debating between aftermarket slip-on, full system or modded stock exhaust since I've had my Buell. I even bought a Dobeck to not have to mess with the ECM but don't know if I want to go that route anymore.[confused]

 

[captain13ron]

so tell me, what did you like and dislike about the dobeck? i played with ECMspy today, reset my TPS, walked though it but my timing mark didn't line up with what the guide say's, so i need to get my timing checked before i go any further. even though it run's fairly well for not being tuned with the D&D.

 

[shilohsk8]

I haven't even hooked up the Dobeck yet, I don't know if I should. I still have a stock ECM but I have the program and cable and I'm still debating if a re-map with my ultimate exhaust option will be the best thing. I just don't know if removing the exhaust servo is the best thing to retain the same amount of bottom end on these bikes. I want it track fast but at the same time I want it to perform the same at low rpm for daily driving.

 

[WULFGODSXB]

i did it! i openened up the last section on the top a little wider than what captian ron did and cut a chunck of the tail pipe tube. made it a bit deeper but not as loud as i hoped. it did make a great improvement over stock it was worth the hour 1/2 that it took to do it plus $7.99 for can of header paint. over winter may try cutting it back to divider with 2 tail pipes

 

[captain13ron]

good for you! i finally got the $$$$ for the D&D pipe, yes it's loud! not as bad as what i heard it would be (pun intended)i've heard some harley's that were much louder! i have a DB meter and did some testing......captain ron pipe 1" hole, 60DB at idle, 3000RPM it was 72DB, D&D at idle 80DB at 3000RPM 98DB, the meter was 5 feet behind my bike when i did these measurements.