Only way to know for sure is with a flasher as you can view the ecu info. You can also check your boost......eco trail is in the 13ish range I believe and powertrail is 15-16psi.
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74Nitro
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- Snowmobile
- 2019 Sidewinder LTX
Ecotrail is 230-235 with all else stock.
With a muffler and intake it is 250
With a muffler and intake it is 250