The OP was concerned with destroying his CAT. While Tim's method works, it is irreversible. A problem for those who have to undergo an emission test. My point was that instead of spending money upfront (or destroying the OEM exhaust by taking the CAT out) to just wait and see and replace the OEM exhaust after the trip, should the CAT be shot. Unfortunately, the stock Tenere is not like some other bikes where you can just replace a part of your exhaust system with the CAT before your trip and put the CAT back in for the emission test.
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