 This is the Novarossi REX H9 Polished Muffler & Header Set, and is
intended for use with 90 class YS engines. This tuned pipe
has been optimized for use with the REX R91HR 3D and can increase the
performance of other available helicopter engines as well. After
studying different designs an extensive testing with various pilots,
Novarossi World S.R.L. has perfected their tuned pipes for the REX 3D
helicopter engine platform. This was based on the rigid calculations of
the Novarossi V.R.S. system. Improving internal shapes of the tuned
pipes based on V.R.S. calculations resulted in optimized power curve,
general engine dynamics and maximum power output. The new REX tuned
pipes for 3D helicopter engines are a perfect fit for the 3D competition
pilots who demand a lively engine response and great performance.
Features:
- Flexible mounting system with silicone anti vibration supports
- Standard header for use with YS engines
- Venturi type header to improve engine dynamics
- 3 expansion chambers based on Novarossi’s V.R.S. (Volume Resonance System)
- Low weight
- Compact Size
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