This is an optional O.S. Induction Silencer. This EFRA/IFMAR approved silencer was developed for .12 – .21 class on-road engines to help reduce noise levels, while at the same time having very little affect on power output.
Includes:
- Upper and lower plastic cups
- Rubber base with foam element
- Zip tie
- Instruction sheet
- (4) 2.6x8mm countersunk screws
Specifications:
Diameter:1.9″ (47.5mm)
Height:1.96″ (50mm)
Weight:0.67oz (19g)
NOTE:Uses OSMG2351 replacement Foam Filters.
This product is expected to become available for purchase on Sunday, December 21, 2025
- O.S. Engines .12 TZ
- O.S. Engines .21 XZ-R
D.K. Verified Owner Monday, Jan 13 2025 (8 months ago) O.S. .12/.21 Induction Silencer On-Road Air Filter System This thing is awesome because it really cuts down on dirt prior to hitting the filter. It is a little expensive, though. View all reviews






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