KTM 546.04.079.000 Answer Muffler Exhaust Silencer Pipe Slip

( Manufacturer Part Number: 546.04.079.000 ), ( Type: Muffler )

Review KTM Answer Muffler Exhaust Silencer Slip On Pipe Vintage fits MX 300 1990

The **KTM 546.04.079.000 1990 300 MX Answer Muffler/Exhaust Silencer/Slip Pipe** is a meticulously engineered aftermarket component designed to enhance the performance, sound, and aesthetics of the iconic 1990 KTM 300 MX-F. This high-quality exhaust system is crafted to deliver a striking balance between power output and rider feedback, making it a sought-after upgrade for both competitive racers and enthusiasts seeking a more engaging riding experience. The muffler features a precision-welded construction with a durable stainless steel body, ensuring longevity and resistance to corrosion, even under the most demanding conditions. Its sleek, aerodynamic design not only improves airflow efficiency but also contributes to a sportier, more aggressive appearance, complementing the aggressive styling of the KTM 300 MX-F. The slip pipe, an integral part of this system, is engineered to optimize exhaust flow while minimizing backpressure, allowing the engine to breathe more freely and unlocking subtle yet noticeable gains in throttle response and mid-range power. This exhaust system is designed to produce a deep, resonant growl that is both thrilling and compliant with most off-road regulations, offering a perfect blend of aggression and legality. Whether you're tearing up the trails or pushing the limits on the track, this exhaust system ensures that every rev of the 300 MX-F s twin-cylinder engine is felt through the seat and heard with authority. Built to withstand the rigors of motocross, this component is a testament to KTM s commitment to performance and precision, providing riders with a system that is as reliable as it is exhilarating.

### **Pros and Cons of Buying a 1990 KTM 300 MX Answer (Serial Number: 546.04.079.000) with Stock Muffler/Exhaust/Silencer/Slip Pipe**

1. **Classic KTM Design and Reliability** KTM motorcycles from the late 1980s and early 1990s were known for their durable, simple, and well-engineered designs. The 300 MX Answer was a popular off-road bike, and many of these models still hold up well with proper maintenance.

2. **Proven Engine** The 293cc single-cylinder engine was a solid performer for its time, offering good power for its class (around 25-30 hp). With regular upkeep, it can still provide reliable performance for light trail riding or practice laps.

3. **Off-Road Capability** As a motocross bike, it retains the basic off-road components (suspension, tires, and frame) that make it suitable for light trail riding, track days, or even practice sessions if modified appropriately.

4. **Lower Cost of Ownership (Compared to Modern Bikes)** Parts, labor, and fuel are significantly cheaper than those for modern enduro or motocross bikes. If you're on a budget, this could be a cost-effective entry into off-road riding.

5. **Potential for Restoration or Modification** If you're mechanically inclined, this bike could be a fun project. Upgrading the engine, suspension, or exhaust could make it more enjoyable to ride while preserving its vintage charm.

6. **Nostalgia and Collectibility** For enthusiasts who appreciate classic KTM bikes, this model may hold sentimental value or even collectible potential, especially if it s well-documented or in good condition.

7. **Simplicity for Learning** The straightforward design makes it easier to understand and maintain compared to modern bikes with complex electronics and advanced suspension systems.

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1. **Age and Wear** At 32 years old, this bike will likely require significant maintenance. Rust, worn suspension, and aging components (such as the clutch, chain, and carburetor) are common issues that may need addressing.

2. **Lack of Modern Safety Features** Unlike modern bikes, the 1990 KTM lacks features such as disc brakes (it likely has a drum brake), advanced suspension tuning, and modern ergonomics. This could make it less safe or comfortable for serious off-road riding.

3. **Emissions and Legal Restrictions** Depending on your location, older bikes may not meet current emissions standards, limiting where you can ride them legally. Some areas require smog checks or restrict older bikes from public trails.

4. **Performance Limitations** The stock engine and exhaust will be significantly less powerful and efficient compared to modern 300cc or 450cc bikes. If you're looking for high-performance off-roading, this bike will feel underpowered.

5. **Parts Availability** While KTM parts from this era are still available, they may be harder to find than for newer models. Some components (such as OEM suspension or specific carburetors) could require sourcing from specialty shops or online marketplaces.

6. **Rust and Structural Issues** Older bikes are prone to rust, especially in the frame, swingarm, and exhaust. A thorough inspection is essential to avoid hidden structural problems that could lead to costly repairs.

7. **Resale Value** Unlike modern bikes, this KTM will likely depreciate further over time. If you plan to sell it later, the market for classic off-road bikes is niche, and you may not recoup much of your investment.

8. **Maintenance Intensity** Without regular upkeep, the bike could become a money pit. You may need to rebuild the engine, replace the clutch, refresh the suspension, and address rust before it s rideable.

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Buying a 1990 KTM 300 MX Answer with the stock exhaust system is a decision that depends heavily on your goals, budget, and mechanical skills. If you're looking for a **project bike** to restore, modify, or ride for nostalgia, it could be a rewarding purchase especially if you enjoy working on classic machinery. However, if you're seeking a **reliable, high-performance off-road bike** for serious riding, a modern 300cc or 450cc enduro/motocross bike would be a far better investment.

- A **budget-friendly entry into off-road riding** (if you re willing to put in the work).

- A **vintage restoration project** for enthusiasts who appreciate classic bikes.

- **Light trail riding or practice laps** (if thoroughly rebuilt and maintained).

- **Serious competitive riding** or high-demand off-road use.

- **Riders who prioritize modern safety and comfort features.**

- **Those who want a low-maintenance, plug-and-play bike.**

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1. **Inspect Thoroughly Before Buying** Have a mechanic or experienced rider check the engine, frame, suspension, and exhaust for rust, wear, or damage. Look for signs of past neglect (e.g., seized bearings, cracked components).

- Engine overhaul (pistons, rings, bearings).

- Suspension refresh (shocks, forks, bushings).

- Brake system upgrade (if the drum brake is worn).

- Rust treatment and frame inspection.

- Exhaust and muffler replacement (if the slip pipe is damaged).

3. **Consider a Modern Alternative** If your primary goal is off-road performance, a used **Husqvarna FE 300, Yamaha WR 350F, or KTM 350 EXC-F** (all in the same price range as a restored classic) would offer better reliability, safety, and power.

4. **Ride with Caution** If you proceed with the purchase, expect to spend **$1,500 $3,000 ** (depending on condition) to make it road-legal and rideable. Treat it as a hobby project rather than a quick purchase.

5. **Join a Community** If you re committed to restoring it, connect with classic KTM or motocross forums (e.g., KTM Owners Club, MX forums) for advice on parts and maintenance.

**Final Verdict:** Only buy this bike if you re prepared for a significant investment in time and money, and if you genuinely enjoy the challenge of working on a classic. For most riders today, a modern off-road bike would be the smarter choice.

Details:

No cracks, or repairs. Removed From: 1990 KTM 300 MX, Please review all pictures to assess the condition of item. Nice vintage pipe that is fully intact and mounts as should. Ready to bolt on.

1990 KTM 300 MX ANSWER MUFFLER EXHAUST SILENCER SLIP ON PIPE VINTAGE, This muffler is in very good condition and shows normal signs of wear. May need to be repacked before installed but can mounted and used as is. Has some minor wear marks, nothing major or that effects the use.

part #: 54604079000 price

• $259.99

specifications cyclemufflermo:

• for models: Mx, 300
• for makes: Ktm
• for years: 1990
• mpn: 546.04.079.000
• type: Muffler

offer cyclemufflermo:

• sold: 0
• started: May 2, 2026
• availability: In Stock
• quantity: 1
• options: Ship-to-home

seller cyclemufflermo:

• city: Virginia Beach, Virginia
• # reviews: 4309
• rating: 99.9%

returns cyclemufflermo:

• policy: Returns Accepted
• time: 30 Days
• paid by: Buyer

general cyclemufflermo:

• condition: Used
• Motorcycle Scooter Parts Accessories > Exhaust Emission Systems > Silencers, Mufflers Baffles

shipping cyclemufflermo:

• transit: 4-9 Days
• service: UPS Ground
• carrier: UPS
• class: Standard
• cost: $0.00
• type: Fixed

payments cyclemufflermo:

• other
• wallet: Paypal
• credit card: Discover

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