Under "Can Am Spyder" on EBay, I saw a short extension for the exhaust pipes, stating that you get less noise and more performance---so instead of spending $33, I measured the pipes (2 coming out of the muffler), went to Home Depot and got a chrome pipe that fit over the exhaust pipes. One is shorter than the other because the depth is different on the exhaust pipes---one extension cover is about 6 inches while the other in 8 inches. I Inserted them with a slight tap from a rubber hammer, and----they seem to really work. The Spyder is quieter, smoother through all gears (I have an electric shift), and it seems noticeably better all around. How can this be? A small thing like this----I can't see where it could hurt anything, but maybe someone knows----
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Exhaust Pipe Extensions
- Thread starter Sara
- Start date
opcorn:Placebo effect?? :dontknow:
asmdjackal
New member
This would be considered a torque tube. Its the same principle in pipes for 2 strokes, race cars, etc... you extend the exhaust, you in effect are changing its backpressure, pulse, etc.. More backpressure tends to make your AFR richer... if you have mechanically increased your AFR by fattening up the fuel curve with the tubes, this probably means that you had a lean spot in the operating range that was affecting your performance before. You've added backpressure, but you've also made the engine fatter - this could in your case (if you had a lean spot) give the bike more efficient operation and more performance.
Someone else mentioned a small tack weld.. if you cant get down there to tack weld it in place with a welder, you could use the Permatex Ultra copper silicone and use a little on the inside of your torque tube. This will not be as good as welding it, but it will help it stay on there a bit better and it shouldnt burn out. Plus, if you need to remove the tube, you could probably still do that with a little elbow grease. :2thumbs:
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