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High Quality Helicopter Muffler for OS/YS .91 Glow Helicopter Engines

High Quality Helicopter Muffler for OS/YS .91 Glow Helicopter Engines

Discontinued Product

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Weight:
478 g
SKU:
178000004
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This is a high quality tuned muffler for OS & YS .91 glow helicopter engines. It features a beautifully finished surface polished to a mirror finish and includes all necessary hardware. This is a great bolt-on performance upgrade for your heli and at a fraction of the cost of the big name brands!

Specs:
Muffler length: 313mm
Muffler diameter: 45mm
Manifold standoff height: 27mm
Manifold bolt spacing: 32mm & 42mm (both size adapter mount plates included)

*Note: Fits OS & YS .91 glow helicopter engines (may fit others with 32mm or 42mm manifold bolt spacing).

  • SKU 178000004
  • Brand -
  • Capacity (mAh) -
  • Shipping Weight(g) 478.00
  • Length 332.00
  • Width 55.00
  • Height 80.00
  • Nitro Heli Muffler
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Works realy good in my trex700 n and OS 91hz. Great quality cost ratio. Pretty similar to hatori 933 for 1/3 the cost. It makes great power at good temp .

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Works realy good in my trex700 n and OS 91hz. Great quality cost ratio. Pretty similar to hatori 933 for 1/3 the cost. It makes great power at good temp .

great muffler fit on my YS .91 Although In a raptor 90 3D I had to cut out a notch in part of the frame rail. To clear the top left header adaptor . Engine runs strong sounds good looks great. Added bonus is the awesome price :)

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great muffler fit on my YS .91 Although In a raptor 90 3D I had to cut out a notch in part of the frame rail. To clear the top left header adaptor . Engine runs strong sounds good looks great. Added bonus is the awesome price :)

High Quality Helicopter Muffler for OS/YS .91 Glow Helicopter Engines.



is this the same as Hatori 939 and is it made the Hatori looks the same same fitting kit??

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High Quality Helicopter Muffler for OS/YS .91 Glow Helicopter Engines.



is this the same as Hatori 939 and is it made the Hatori looks the same same fitting kit??

The exercise price ratio compared with Hatori 939 align and I can only recommend testing with the engine align 91H 20 pcnt nitro complete satisfaction for 3 D

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The exercise price ratio compared with Hatori 939 align and I can only recommend testing with the engine align 91H 20 pcnt nitro complete satisfaction for 3 D

It adds extreme performance to my T-rex 700 with ys91 sr motor.

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It adds extreme performance to my T-rex 700 with ys91 sr motor.

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