Stubbs
TY 4 Stroke Master
- Joined
- Nov 7, 2006
- Messages
- 1,163
- Reaction score
- 677
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- 1,378
- Location
- Uxbridge, On, Can.
- Country
- Canada
- Snowmobile
- ‘16 Apex XTX with 137” Mono II
+ other gooodies
- LOCATION
- Uxbridge ON
You’ll need a tunnel extension to go any longer than 136/137....other than that, bolt on the rail extensions and go.
grizztracks
Tech Advisor
- Joined
- Feb 24, 2005
- Messages
- 3,116
- Reaction score
- 968
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- 1,753
- Location
- Scio, NY
- Country
- USA
- Snowmobile
- FX Nytro RTX, RS Vector, SR Viper RTX SE
Yep, a 128" does not need a tunnel extension but 136"+ will. Tracks USA is a good source for tracks, rail and tunnel extensions.
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