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FJR Velocity Stacks
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Model information
- Source
- Printables
- Category
- Automotive
- License
- Open Community License v1
FJR1300 add-on to create longer intake tracks, thus moving the powerband lower, from 5krpm to 4krpm, creating more lower rpm power. also equalizes (somewhat) the length of the bottom inlet tubes (which are shorter than the top), making the engine much smoother, less vibrating.
30degree stacks go to the top 2, others go in the bottom 2. can be installed through the air inlet filter.
recommend making of hard TPU (shore D) shore 98A is already too soft. as this does not shatter and less risk off parts entering the intake. also very resilient to fuel and oil.