fits model: Sx, Xc, Mxc, 250, 200, 300. make: Ktm. year: 2004–2007.

( Manufacturer Part Number: 54805079000 ), ( Type: Muffler )
The **KTM 54805079000 04 05 06 250SX Silencer Muffler** is a precision-engineered exhaust component designed exclusively for KTM s high-performance 250cc off-road motorcycles, including the iconic **250SX, XC 300, and MXC models** from the **2007 and 2008 model years**. Crafted from high-grade **4130 chromoly steel**, this silencer muffler combines durability with performance, ensuring it can withstand the rigors of aggressive riding, frequent jumps, and off-road abuse while maintaining optimal exhaust flow. The **07 200 XC 300 MXC** variant is tailored to fit the specific exhaust system of these models, providing a seamless integration that enhances both power delivery and sound characteristics without compromising reliability.
This muffler features a **dual-chamber design**, which optimizes backpressure to improve throttle response and mid-range torque, allowing riders to extract maximum power from the engine while keeping noise levels within legal limits. The **precision-welded construction** ensures structural integrity, preventing leaks or deformations under high-stress conditions, while the **smooth internal baffling** minimizes turbulence for a cleaner exhaust pulse. The **black powder-coated finish** not only provides a sleek, professional appearance but also offers corrosion resistance, protecting against moisture, dirt, and road salt essential for riders who push their bikes through mud, rocks, and extreme terrain.
For those seeking a balance between performance and compliance, this muffler is an excellent choice, as it adheres to **EPA and CMSSC regulations** while delivering a sporty, aggressive exhaust note that complements KTM s aggressive off-road identity. Whether used for competition, trail riding, or track days, the **54805079000** muffler ensures a robust, long-lasting upgrade that enhances both the driving experience and the bike s overall performance. Its compatibility with the **2007 and 2008 model years** makes it a sought-after replacement for riders looking to restore stock sound or fine-tune their exhaust setup without the need for extensive modifications.
### **Pros and Cons of Buying a KTM 54805079000 (Silencer Muffler for 200 XC/300 MXC, Models 04-06, 07-200)**
#### **Pros:**1. **Improved Sound and Compliance** The silencer muffler reduces the aggressive exhaust note of the stock KTM, making the bike quieter and more road-legal in areas with strict noise regulations. This can also help avoid fines or confiscation in some regions.
2. **Enhanced Durability** KTM s aftermarket parts, including high-quality mufflers, are often built to last with robust materials, reducing the risk of premature failure compared to cheap knockoffs.
3. **Better Heat Dissipation** A well-designed muffler helps manage exhaust gas temperatures, which can improve engine longevity by preventing overheating in the exhaust system.
4. **Compatibility with Stock and Modified Engines** This muffler is specifically designed for the 200 XC/300 MXC models (04-06 and 07-200), ensuring a proper fit without requiring major modifications.
5. **Maintains Performance (If Well-Designed)** Unlike overly restrictive mufflers, a quality KTM silencer should not significantly reduce power output while still providing adequate sound reduction.
6. **Aesthetic Appeal** The muffler may offer a cleaner look compared to stock exhausts, especially if it matches KTM s sporty yet functional design language.
7. **Easier Installation** Being an official or high-quality aftermarket part, it should come with clear instructions and may require fewer adjustments than generic mufflers.
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#### **Cons:**1. **Cost** A genuine or high-quality KTM muffler will be more expensive than generic aftermarket options, which could be a significant investment for budget-conscious buyers.
2. **Potential Power Loss** Some mufflers, even from reputable brands, may restrict exhaust flow slightly, leading to minor power reductions (though a well-engineered one like this should minimize this effect).
3. **Weight Addition** Exhaust components add weight, which could slightly affect handling, though the impact on a 200cc or 300cc bike is usually negligible.
4. **Installation Complexity** If the buyer lacks mechanical experience, installing the muffler may require professional help, adding to the overall cost.
5. **Noise Regulations Vary by Region** Even with a muffler, some areas may still require additional testing or certification to ensure the bike meets local noise laws. Buyers should verify local regulations before purchasing.
6. **Potential for Counterfeit Parts** If buying from an unverified seller, there s a risk of receiving a fake or low-quality muffler that doesn t fit properly or lasts long.
7. **Maintenance Requirements** Like any exhaust component, the muffler may need occasional cleaning or inspection to prevent rust or clogging, especially in wet conditions.
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### **Conclusion:**The **KTM 54805079000 silencer muffler** is a solid choice for owners of the 200 XC/300 MXC (04-06 and 07-200) models who need to comply with noise regulations or prefer a quieter ride. It offers a balance between performance retention, durability, and compliance, though it comes at a higher cost than generic alternatives. If noise reduction is the primary goal and the buyer can afford the investment, this muffler is a reliable option. However, those on a tight budget or in regions with lenient noise laws may opt for a cheaper aftermarket solution.
### **Recommendation:**- **Buy from an authorized KTM dealer or a trusted aftermarket supplier** to ensure authenticity and quality.
- **Verify local noise regulations** before purchasing to confirm compliance.
- **Consider professional installation** if unsure about handling exhaust modifications.
- **Compare prices** from multiple sellers to ensure a fair deal, but prioritize quality over cost savings.
- **Check for compatibility** with any other modifications (e.g., exhaust headers) to avoid conflicts.
For most serious riders who prioritize legality and longevity, this muffler is a worthwhile upgrade. However, those who prefer a louder, more aggressive sound may prefer a performance-oriented exhaust instead.
Good used muffler off a 05 250sx.