![Yamaha Yz 450 F [2025, 2026-2027] - Factory 4.1 RCT Slip-On | Motorize](http://motorize-ireland.com/cdn/shop/files/Motorize-logo_fc75ff44-0966-406e-8b65-fc8cd35e474b.png?v=1778520588&width=250){kind=logo}
Yamaha Yz 450 F [2025, 2026-2027] - Factory 4.1 RCT Slip-On Silencer – Item no. 044445
![Yamaha Yz 450 F [2025, 2026-2027] - Factory 4.1 RCT Slip-On Silencer – Item no. 044445 – Image 1](http://motorize-ireland.com/cdn/shop/files/527160b29d81cafa31f0417ef60f8dcc_f7404f71-2cd6-4dc5-ae64-29358927e982.webp?v=1790003364&width=900)
![Yamaha Yz 450 F [2025, 2026-2027] - Factory 4.1 RCT Slip-On Silencer – Item no. 044445 – picture 2](http://motorize-ireland.com/cdn/shop/files/527160b29d81cafa31f0417ef60f8dcc_600_ed0b15fa-a054-4846-a365-bb0de06aaee5.webp?v=1790003364)
![Yamaha Yz 450 F [2025, 2026-2027] - Factory 4.1 RCT Slip-On Silencer – Item no. 044445 – picture 3](http://motorize-ireland.com/cdn/shop/files/527160b29d81cafa31f0417ef60f8dcc_200_17292df3-7df6-4d92-abbf-2e1a9b7f789a.webp?v=1790003364)
![Yamaha Yz 450 F [2025, 2026-2027] - Factory 4.1 RCT Slip-On Silencer – Item no. 044445 – picture 4](http://motorize-ireland.com/cdn/shop/files/23a5e3b41d1b9cc63213e534bc3bf8fd_200_2bc56165-f414-4ab9-bb63-3fdcbaebb7f3.webp?v=1790003364)
![Yamaha Yz 450 F [2025, 2026-2027] - Factory 4.1 RCT Slip-On Silencer – Item no. 044445 – picture 5](http://motorize-ireland.com/cdn/shop/files/a594869d67588a7caa189c298d30c52d_200_c496b563-cf78-4b5e-852a-f14d7c5910ba.webp?v=1790003364)
![Yamaha Yz 450 F [2025, 2026-2027] - Factory 4.1 RCT Slip-On Silencer – Item no. 044445 – picture 6](http://motorize-ireland.com/cdn/shop/files/0d26364368fc3ec7b10707322d3bf1d0_200_316f2c37-3a9c-40d6-9466-ee5259fe0ec6.webp?v=1790003364)
![Yamaha Yz 450 F [2025, 2026-2027] - Factory 4.1 RCT Slip-On Silencer – Item no. 044445 – picture 7](http://motorize-ireland.com/cdn/shop/files/61383255b9e009d1e261ef23bc25ab05_200_577d5766-734e-439e-b743-0c6b2a7848ef.webp?v=1790003364)
![Yamaha Yz 450 F [2025, 2026-2027] - Factory 4.1 RCT Slip-On Silencer – Item no. 044445 – picture 8](http://motorize-ireland.com/cdn/shop/files/9fc1a509523e5a22d95b3547e718adf3_200_19325603-f224-4d2f-9523-32e6028a2d01.webp?v=1790003364)
![Yamaha Yz 450 F [2025, 2026-2027] - Factory 4.1 RCT Slip-On Silencer – Item no. 044445 – picture 9](http://motorize-ireland.com/cdn/shop/files/8d6324c34230d25dd19908afc68dda3a_200_52948d69-3100-427e-9fe9-a0c8f5c14e32.webp?v=1790003364)
![Yamaha Yz 450 F [2025, 2026-2027] - Factory 4.1 RCT Slip-On Silencer – Item no. 044445 – picture 10](http://motorize-ireland.com/cdn/shop/files/910fb631d07429f14878cec95e980da8_200_cbdea46c-8244-4bf6-94be-c95836a80cba.webp?v=1790003364)
![Yamaha Yz 450 F [2025, 2026-2027] - Factory 4.1 RCT Slip-On Silencer – Item no. 044445 – Figure 11](http://motorize-ireland.com/cdn/shop/files/cd3eea859d9cd793f48ef46b75111cda_200_6dc49a0c-b34c-411e-a06f-1dae87f61b49.webp?v=1790003364)
![Yamaha Yz 450 F [2025, 2026-2027] - Factory 4.1 RCT Slip-On Silencer – Item no. 044445 – picture 12](http://motorize-ireland.com/cdn/shop/files/c923041c083722611f7636dc41e29d6a_200_304b2e78-85b5-4f72-ba76-6104807e94f0.webp?v=1790003364)
Description
Yamaha Yz 450 F [2025, 2026-2027] - Factory 4.1 RCT Slip-On Silencer – Item no. 044445
This article from FMF is intended for the vehicles and years listed below. The model, engine capacity, type and year of manufacture of the vehicle allocation are always decisive.
![Yamaha Yz 450 F [2025, 2026-2027] - Factory 4.1 RCT Slip-On Silencer – Item no. 044445 – Product view](https://cdn.shopify.com/s/files/1/0871/4616/8646/files/527160b29d81cafa31f0417ef60f8dcc_f7404f71-2cd6-4dc5-ae64-29358927e982.webp?v=1790003364)
![Yamaha Yz 450 F [2025, 2026-2027] - Factory 4.1 RCT Slip-On Silencer – Item no. 044445 – Product view](https://cdn.shopify.com/s/files/1/0871/4616/8646/files/527160b29d81cafa31f0417ef60f8dcc_600_ed0b15fa-a054-4846-a365-bb0de06aaee5.webp?v=1790003364)
![Yamaha Yz 450 F [2025, 2026-2027] - Factory 4.1 RCT Slip-On Silencer – Item no. 044445 – Product view](https://cdn.shopify.com/s/files/1/0871/4616/8646/files/527160b29d81cafa31f0417ef60f8dcc_200_17292df3-7df6-4d92-abbf-2e1a9b7f789a.webp?v=1790003364)
Technical data
- Version/color/surface end cap: Black
- End cap material: Carbon fiber
- Model: Factory 4.1 RCT
- Product name: silencer
- Silencer color/surface: Anodized, blue
- Silencer material: Titanium
- Number of pieces: Piecemeal
- Type: Slip on
Accuracy of fit & years of manufacture
Show accuracy of fit and years of manufacture
| Brand | model | displacement | Year of construction | Type | position | Note |
|---|---|---|---|---|---|---|
| YAMAHA | YZ 450 F | 449 | 2025 | Monster Energy Racing Edition | ||
| YAMAHA | YZ 450 F | 449 | 2026-2027 | 70th Anniversary Edition | ||
| YAMAHA | YZ 450 F | 449 | 2026-2027 |
Note on assembly
Before installation, please compare the vehicle assignment and, if necessary, the information in the table.