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Honda Odyssey Tuned Pipe |
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Aftermarket Tuned Pipe for a Honda Odyssey FL250The exhaust pipe on a stock Honda Odyssey FL250 was designed to help keep the Odyssey quiet (not an easy task) and to have a built in USFS approved spark arrestor. The stock exhaust is NOT optimal for performance. My stock exhaust was plugged up with so much oily carbon gunk, that I decided to cut it open and weld on a section of another stock exhaust that was not plugged so bad. When I cut it open, I got to see how bad the design of the stock pipe was in terms of performance. There was a gradual divergent area of pipe that went into a belly section and then an abrupt flat wall with a small hole leading into sound deadening baffles. There was no "convergent cone" designed into the stock pipe geometry. What this means is that the stock pipe was not a true tuned pipe design that is so critical to 2 stroke engine performance.
Restrictive Stock FL250 Exhaust with Internal Baffles I ran across someone nice enough to offer to give me an old Honda Odyssey tuned pipe. It was an old DG exhaust that had a true tuned pipe design. Since I was planning on riding in an area that requires a USFS approved spark arrestor, I began to look at options of how to adapt a spark arrestor onto the end of the DG pipe. It did not have a spark arrestor. I was looking at aftermarket spark arrestors like the Cobra Sparky that can be clamped on to the end of an existing tuned pipe silencer. While I was looking into this, I ran across another Honda Odyssey tuned pipe that already had a spark arrestor built in. It had the Krizman type spark arrestor that is less prone to clogging and also better for performance. I was told that it was probably also an old DG tuned pipe, but there was no DG markings on the pipe. I was able to buy it for a good price, so I decided to give it a try.
As it turns out, this Honda Odyssey tuned pipe is reasonably quiet - relatively speaking, because I don't think any Honda Odyssey would truly be called "quiet". In addition to being reasonably quiet and offering a spark arrestor, this particular Honda Odyssey tuned pipe also seems to help performance nicely. The only problem is the stock CVT belt drive system is calibrated to shift up way too soon and bogs the engine down. In other words, the engine can't rev up freely into the RPM powerband of the tuned pipe. This problem can be addressed by changing the CVT to allow the engine to rev up higher - which I am doing. Here are some links to pages showing some of what I've done on my Honda Odyssey so far: Honda Odyssey Airbox Mod Honda Odyssey Tuned Pipe Honda Odyssey CR250 Head Honda Odyssey Digatron Tach Honda Odyssey Powerbloc Clutch Honda Odyssey FL250 Driven Clutch Honda Odyssey Overheating Solution Honda Odyssey at Beverly Sand Dunes Honda FL250 Water Cooled Head Return to Main Honda Odyssey Page
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