Upgrade your KTM’s sound, power delivery, and weight with this direct replacement slip-on muffler, tailored for KTM 250 SX‑F (2011 and 2012) models. Built to factory dimensions, it offers hassle-free bolt-on installation for both race and recreational riders.
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Compatibility: Fits KTM 250 SX‑F from 2011 and 2012 (also cross-compatible with KTM 250 XC-F models of same years) Vital MX+15thumpertalk.com+15RevZilla+15
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OEM Fit: Identical mounting points ensure plug-and-play ease—no modifications required eBaythumpertalk.com
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Options Available: Includes both OEM-style stock mufflers and aftermarket slip-ons from brands like FMF (Factory 4.1 RCT), Pro Circuit, and Dominator — all engineered for performance gains and reduced weight RevZilla+3SportBikeTrackGear+3eBay+3
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Material & Finish: Available in titanium or stainless steel with optional carbon fiber end cap (brand-dependent) for durability and improved exhaust tone ktmworld.com+15Pro Circuit+15SportBikeTrackGear+15
Perfect for riders wanting improved throttle response, cleaner mid- to high-rpm performance, and more aggressive exhaust sound.
🔧 Key Features
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Fitment: KTM 250 SX‑F (’11–’12), cross-fits 250 XC‑F
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Type: Slip-on muffler / silencer (not full exhaust system)
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Benefits: Lightweight, sharper throttle response, deeper sound, better airflow
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Installation: Bolt-on, no cutting or re-mapping required
🧰 Specifications Table
| Specification | Details |
|---|---|
| Compatible Models | KTM 250 SX-F, 250 XC-F (2011–12) |
| Muffler Type | Slip-On / Silencer (bolt-on) |
| Material | Titanium or Stainless Steel options |
| End Cap | Carbon-fiber or metal (varies) |
| Installation | Plug-and-play OEM fit |
| Sound Profile | Throaty, enhanced mid-range tone |
⚠️ Rider Insights & Notes
Many users note that 2011 and 2012 SX-F mufflers are interchangeable across SX-F and XC-F models of that era—ensuring broad compatibility Pro Circuit+10thumpertalk.com+10RevZilla+10SportBikeTrackGear+9Vital MX+9DOMINATOR EXHAUST OFFICIAL+9DOMINATOR EXHAUST OFFICIAL+1DOMINATOR EXHAUST OFFICIAL+1Dirt Bike Addicts. Popular aftermarket upgrades include the FMF Factory 4.1 RCT slip-on, which uses Resonance Chamber Technology for enhanced performance while minimizing engine load from vibration RevZilla+3SportBikeTrackGear+3eBay+3.
If you’re looking for a deeper, bassier exhaust note, brands like Dominator MX offer straight‑through silencer designs with carbon tips for aggressive sound and slight torque gains RevZilla+5DOMINATOR EXHAUST OFFICIAL+5Dirt Bike Addicts+5.
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