FMF RACING 42328 Exhaust Muffler Spark

( Brand: Fmf Racing ), ( Manufacturer Part Number: 42328 ), ( Mounting Style: Slip-on ), ( Type: Muffler ), ( Oe/oem Part Number: 18100-0573 ), ( Placement On Vehicle: Exhaust )

Review FMF RACING Exhaust Muffler Kawasaki Spark Used Lightly fits Q4 KX450 2016–2018

FMF Racing 42328 Q4 Exhaust Muffler for Kawasaki KX450 (2016-2018) Spark

Experience unparalleled power and a distinctively throaty exhaust note with the FMF Racing 42328 Q4 Exhaust Muffler, expertly designed for the Kawasaki KX450 motorcycles manufactured between 2016 and 2018.

The FMF Racing 42328 Q4 is renowned for its exceptional quality and performance enhancement, engineered with a commitment to superior craftsmanship that sets it apart from competitors. This muffler is constructed from high-grade stainless steel, ensuring durability, resistance to corrosion, and a sleek, aesthetically pleasing appearance.

The Q4 design features a four-chamber layout, which allows for a precise balance of power delivery and exhaust flow. This innovative configuration delivers an optimized exhaust note, enhancing the motorcycle's performance while maintaining a comfortable noise level. The muffler's compact design also promotes better bike handling and maneuverability, making it a popular choice among competitive riders.

The FMF Racing 42328 Q4 Exhaust Muffler is easily installed, thanks to its bolt-on design that requires no welding or fabrication. It also comes with a removable spark arrestor, allowing you to comply with local regulations when necessary.

In summary, the FMF Racing 42328 Q4 Exhaust Muffler not only boosts your Kawasaki KX450's power and performance but also enhances its visual appeal. Whether you're a seasoned racer or a weekend enthusiast, this muffler is an excellent investment for your motorcycle, promising a thrilling riding experience every time you hit the track or the trails.

**Product Review: FMF Racing 42328 Q4 Exhaust Muffler Kawasaki KX450 (2016-2018)**

1. Improved Performance: The FMF Racing Q4 Muffler is designed to enhance the performance of your Kawasaki KX450. It provides a more efficient exhaust flow, resulting in increased horsepower and torque.

2. Lightweight: Compared to stock mufflers, the FMF Q4 Muffler is lighter, reducing overall bike weight for better handling and acceleration.

3. Sound: The Q4 Muffler offers a distinctive, race-inspired exhaust note that is pleasing to many riders.

4. Durability: FMF Racing products are known for their durability and the Q4 Muffler is no exception. It is built to withstand the rigors of motocross riding.

1. Cost: The FMF Racing Q4 Muffler is more expensive than stock mufflers or some aftermarket alternatives.

2. Loudness: Some riders may find the exhaust note to be too loud for their preference, especially when used in residential areas.

3. Fitment: While the FMF Q4 Muffler is designed to fit the Kawasaki KX450 (2016-2018), some installation issues have been reported by a few users.

4. Maintenance: The Q4 Muffler's unique design requires more maintenance compared to traditional mufflers, such as regular check-ups and potential packing changes.

The FMF Racing 42328 Q4 Exhaust Muffler for the Kawasaki KX450 offers significant performance benefits, a distinctive sound, and durable construction. However, its high cost, potential fitment issues, and increased maintenance requirements are factors to consider before making a purchase.

If you're serious about improving the performance of your Kawasaki KX450 and don't mind the higher cost and increased maintenance, the FMF Racing 42328 Q4 Exhaust Muffler could be a good investment. However, if you're on a budget or prefer a less maintenance-intensive option, you might want to explore other aftermarket mufflers. Always ensure proper fitment and check local noise regulations before purchasing.

Details:

In good condition. No dents or dings anywhere FMF Q4 exhaust.This exhaust fits 2016 2018 KX450.

part #: 42328 prices

• $404.99-$453.17

specifications cyclemufflermo:

• for models: Q4, Kx450
• for makes: Kawasaki
• for years: 2016-2018
• brand: Fmf Racing
• mpn: 42328
• mounting style: Slip-on
• type: Muffler
• oe/oem part number: 18100-0573
• placement on vehicle: Exhaust

returns cyclemufflermo:

• policy: No Returns

offer cyclemufflermo:

• started: October 23, 2025
• options: Ship-to-home
• sold: 0
• best offers: True
• quantity: 1
• availability: In Stock

general cyclemufflermo:

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

seller cyclemufflermo:

• rating: 0.0%
• # reviews: 9
• city: Barnegat, New Jersey

shipping cyclemufflermo:

• class: Standard
• cost: $83.25
• carrier: USPS
• service: USPS Ground Advantage
• type: Calculated
• transit: 6-12 Days

payments cyclemufflermo:

• wallet: Paypal
• other
• credit card: Mastercard

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