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Running no muffler
- Thread starter tweeder
- Start date
Schnauzer
New member
WhaaPoow!
I removed the boat anchor on Spydette's :spyder2: RT:yikes:, It still has the CAT, so any back pressure is still evident. It appears to have a bit more response in the twist of the wrist. The MPG has increased by 2.. We are now averaging 36mpg @60-65mph. This could also have something to do with the additives to the fuel/oil we acquired @ Spyderfest. I have noticed a small amount of exhaust smell at times, not always. I'm looking into an extension to route it out the back. I have to admit the back of the :spyder2: , looks really clean and even with it gone.. Try it you might like it:doorag:
I removed the boat anchor on Spydette's :spyder2: RT:yikes:, It still has the CAT, so any back pressure is still evident. It appears to have a bit more response in the twist of the wrist. The MPG has increased by 2.. We are now averaging 36mpg @60-65mph. This could also have something to do with the additives to the fuel/oil we acquired @ Spyderfest. I have noticed a small amount of exhaust smell at times, not always. I'm looking into an extension to route it out the back. I have to admit the back of the :spyder2: , looks really clean and even with it gone.. Try it you might like it:doorag:
mooneych
New member
The lack of exhaust back pressure will make the bike run really lean (help me Scotty!), and perhaps cause damage to the engine. I don't think its about the sound, its how quickly you get around that track. It sounds like a good time!
BLUEKNIGHT911
Sadly Passed Oct 2024 - RIP
NO MUFFLER
I agree with "mooneych"....removing the muffler has changes far greater than altering the sound.....You could be doing some permanent damage to the engine......JIMHO.....Mike....:thumbup:
I agree with "mooneych"....removing the muffler has changes far greater than altering the sound.....You could be doing some permanent damage to the engine......JIMHO.....Mike....:thumbup:
Tierhog
New member
The lack of exhaust back pressure will make the bike run really lean (help me Scotty!), and perhaps cause damage to the engine. I don't think its about the sound, its how quickly you get around that track. It sounds like a good time!
Agreed 100%.
Do it right. New exhaust, fuel remap, and intake change (filter with more flow). Then... And only then, a Jedi you will be.
NancysToy
Motorbike Professor
It can make the engine run lean. Too lean and engine damage can result, but the more likely case is that the timing will be retarded if the engine knocks, and performance will suffer. It could also warp the valves if cold air goes up the pipes when the engine is off, but that's unlikely with the relatively long pipes on the Spyder. The bottom line is that in this day and age of tuned intakes and exhausts, mean sounding is not necessarily mean running. A low-restriction muffler like the Hindle would be a better choice.The lack of exhaust back pressure will make the bike run really lean (help me Scotty!), and perhaps cause damage to the engine. I don't think its about the sound, its how quickly you get around that track. It sounds like a good time!
S
spydee owner
Guest
running no muffler
The other thing is that now (here in Ontario) there are areas where police are starting to check bikes with loud pipes and hand out tickets. Quebec has done similar things with snowmobiles with loud pipes. So, be careful not only about your bikes performance but the eventual consequences of loud. One persons music is another persons annoyance.
Bob Denman
New member
That might be true, but Tweeder specifically mentioned doing this "at the track".
Rotax is well-known for the power that they can get out of what they build. They spend cubic dollars getting it right, so removing chunks of the system is just probably not the best idea that you could ever have had. :shocked:
But... Try it and see if it helps! Let us know what happens, but my guess is that you'll just be making more noise than power. Good Luck! :thumbup:
Rotax is well-known for the power that they can get out of what they build. They spend cubic dollars getting it right, so removing chunks of the system is just probably not the best idea that you could ever have had. :shocked:
But... Try it and see if it helps! Let us know what happens, but my guess is that you'll just be making more noise than power. Good Luck! :thumbup:
MikeinGA
New member
In the U.S.A. in some states they will give a ticket and turn you in to EPA for removing the catalytic converter and fine you $1,000.00 or more. If a dealer installed it they can also pay a fine. Read the Hindle Disclaimer in the accessories catalog.
Mike
Tierhog
New member
Interesting... Because even the hindle claims to be a track only muffler.
Bob Denman
New member
I've been kind of wondering about that myself... Is it just a noise issue that has them labeling as not for use on the highway? :dontknow:
It's not like you could run one on a motocross track. Not for very long anyway! :yikes:
S
spydee owner
Guest
muffller
I think back arould 1998 to about 2003, Triumph offerred a free flowing exhaust option for the T-Bird that they built at that time and they had a similar disclaimer (for off road use only).
Must be a statement to release the company of any hassles from the use of the product.
I think back arould 1998 to about 2003, Triumph offerred a free flowing exhaust option for the T-Bird that they built at that time and they had a similar disclaimer (for off road use only).
Must be a statement to release the company of any hassles from the use of the product.
Bob Denman
New member
Good point! :thumbup: I know that here in New York, we've got to take our vehicles in to get them inpsected every year... On vehicles with OBDII ports, they plug them in and really snoop around... :gaah:
Motorycles currently just get the lights and horn(s) looked over...
I was just concerned that if Big Brother focused on us; what would he find? :shocked:
Motorycles currently just get the lights and horn(s) looked over...
I was just concerned that if Big Brother focused on us; what would he find? :shocked:
NancysToy
Motorbike Professor
It is "track only". Partly because it has no cat converter, and partly because it does not meet noise restrictions. Marking it that way lets them sell it. How you use it is not as regulated.
The Hindle and its kin are designed to enhance the exhaust flow. Much in the same way that megaphone pipes will actually increase the exhaust flow as compared to a straight pipe or no extended pipe at all, the Hindle does the same thing. Running a carefully designed and dyno tested exhaust won't sound quite as mean, but it will be the first to the finish line.
Schnauzer
New member
He better have earplugs.. My Bagger is 108 decibels, checked at the Rally in the loud pipe contest. Lost out to a Hi-Ya-Busa, 119 decibels.:yikes:..dayuum! IMHO, all the money is spent to satisfy the EPA on noise control and not performance. But I'm no expert on this new-fangled Rotax.. give me an Iron-Head or Shovel and I'm in heaven...
Machinegunner
New member
The reason for the closed course competion statement is because it is illegal to run any exhaust system on any roadway that does not have an EPA compliance statement. Big brother does not want you to modify your exhaust system. Any exhaust pipe without the EPA ststement is subject to a fine. That is Federal law, states and or officers decide on enforcement.My wife and I run Hindles with the baffle removed performance increase is dramatic when used with Juice box Pro and freeflow air cleaner. Wife gained 6mpg.
Tierhog
New member
I'm interested in installing one. Specifically because a juicebox isn't required. Would the stock air filter be ok?
I see them being sold on bikes in Ca. Wonder how they pull that off.
I have been in Ca. Law enforcement for almost 20 years and have only questioned a rider maybe three times an it was an HD that was obnoxiously loud.
Hmm. I want a hindle.
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