| Update your 121" Nytro to a 136" long track. This long track kit improves performance by increasing the footprint on the snow which allows better traction, acceleration and powder flotation. You will also notice that it gives you a smoother ride quality in rough terrain and increased stopping power. Coming soon are the 144" long kits with relocated suspension. Also available are 151", 159" and 162" long track kits with a new lightweight skid. | ![]() |
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| All tunnel extensions are plastic coated aluminum sheets that are laser cut and are CNC formed to eliminate break marks and scratches during manufacturing. All kits come complete with laser cut rivet holes and bracket cutouts. All kits come with a full set of bumper support brackets that strengthens the tunnel for small rack and lifting and towing. | ![]() |
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Custom Rails with Hyfax Extensions
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| Model | Length | Kits | |
| 2008-2011 Nytro-FX-RTX Long Track | |||
| 121" To 128" | 1.25" x 128" | $95.00 | |
| 121" To 128" | 1.50" x 128" | $95.00 | |
| 121" To 136" | 1.25" x 136" | $275.00 | with full billet hyfax extensions |
| 121" To 136" | 1.50" x 136" | $275.00 | with full billet hyfax extensions |
| Slide frame Relocation for deep snow and less trenching | |||
| 121" To 141" | 2.00" x 141" | $375.00 | with full billet hyfax extensions |
| 121" To 144" | 1.25" x 144" | $375.00 | with full billet hyfax extensions |
| 121" To 144" | 1.50" x 144" | $375.00 | with full billet hyfax extensions |
| 121" To 144" | 2.00" x 144" | $375.00 | with full billet hyfax extensions |
| 121" To 144" | 2.25" x 144" | $375.00 | with full billet hyfax extensions |
updated 08/25/2010