FMF - 045715 - Factory 4.1 RCT Slip-On Muffler - '26 Ducati Desmo450
FMF brings its Factory 4.1 RCT Slip-On Muffler to the 2026 Ducati lineup, packing the same internal and external Resonance Chamber Technology found on its championship-winning designs. The shortened canister length keeps the muffler tucked closer to the motor, centralizing mass for better handling while staying less exposed to crash damage than a longer unit. Every Factory 4.1 RCT is machined from aerospace-grade materials and built entirely at FMF's Southern California factory, delivering race-proven construction in a bolt-on slip-on.
Features
- The Factory 4.1 RCT incorporates the latest in FMF Resonance Chamber Technology™ both internally and externally
- Achieve a shorter overall length that is less susceptible to crash damage and complementary to Factory Forward Engineering - moving the muffler closer to the motor to centralize mass
- The Factory 4.1 RCT is constructed from only aerospace grade materials that meet exacting specifications and is manufactured 100% at our Southern California factory
Specs
- End Cap Color/Finish: Black
- Muffler Material: Aluminum
- Pipe Material: Stainless Steel
- Style: Race
- Model: Factory 4.1 RCT
- End Cap Material: Carbon Fiber
- Riding Style: Off-Road
- Muffler Color/Finish: Anodized
- Muffler Color/Finish: Grey
- Product Name: Muffler
- Units: Each
Frequently Asked Questions - FMF - 045715 - Factory 4.1 RCT Slip-On Muffler - '26 Ducati Desmo450
How do I know if this part fits my vehicle?
Check the fitment information listed on this page against your exact year, make, model, and (where applicable) trim, engine size, or configuration. If your exact vehicle isn't listed, or you're not sure, use the product chat on this page or contact our support team before ordering - we're glad to help confirm fitment.
What does it mean if a product is listed as universal fit?
Universal fit means the product is designed to work across a range of vehicles, not that it's guaranteed to fit every one. Compare the listed measurements, mounting requirements, and connector or hardware specs against your specific vehicle before ordering, since some installations may need additional hardware or minor fabrication.
Where can I find installation instructions for this product?
General installation notes are provided above where available. For detailed step-by-step instructions, refer to the manufacturer's documentation included with the product, or use the product chat on this page for questions about difficulty, required tools, or whether professional installation is recommended.
What if I have more questions about this product?
Use the product chat on this page for fitment, specs, installation, and compatibility questions, or contact our support team directly for help before you order.
