FMF 42161 Muffler PC4 S/a

( Brand: Fmf ), ( Part Type: Muffler ), ( Manufacturer Warranty: See Manufacturer ), ( Country Of Origin: United States ), ( Manufacturer Part Number: 42161 )

Review FMF Muffler Pc4 S/a fits KLX140

The FMF Powercore 42161 Muffler for KLX140 is a high-performance aftermarket exhaust component designed to enhance the power and exhaust flow of your motorcycle. This muffler is part of FMF's Powercore series, which is known for its innovative design and superior construction.

This muffler features a 2-into-1 exhaust system that utilizes FMF's Powercore technology. The Powercore design uses a large, high-flow core that provides increased scavenging and efficiency, resulting in improved power and torque. The muffler's compact size and sleek design make it a great choice for off-road riding, while still providing impressive performance gains.

The FMF Powercore 42161 Muffler for KLX140 is constructed from high-quality stainless steel, ensuring durability and resistance to corrosion. The muffler's inlet and outlet diameters are 3.6 inches and 2.5 inches, respectively, and it measures 21.5 inches in length and 5.7 inches in width.

This muffler is designed to fit the Kawasaki KLX140 motorcycle model, and it replaces the original equipment manufacturer (OEM) muffler. Installing this muffler is a straightforward process, and it comes with all necessary hardware for installation.

In summary, the FMF Powercore 42161 Muffler for KLX140 is a high-performance exhaust component that delivers increased power and torque through its innovative Powercore design. It is constructed from durable stainless steel and is a direct replacement for the OEM muffler on the Kawasaki KLX140 motorcycle.

The FMF Powercore 42161 muffler, part number PC4 SA for KLX140, is a high-performance aftermarket exhaust system component. Like any purchase, it comes with its advantages and disadvantages.

1. Improved engine performance: The FMF Powercore muffler is designed to reduce backpressure, allowing the engine to breathe better and produce more power.

2. Enhanced exhaust flow: The muffler's design promotes efficient exhaust flow, which can lead to improved throttle response and overall riding experience.

3. Lightweight: The FMF Powercore muffler is made from lightweight materials, reducing unsprung weight and improving handling.

4. Durable: FMF uses a high-temperature coating and stainless steel construction to ensure the muffler can withstand the rigors of off-road riding.

1. Cost: Aftermarket exhaust components like the FMF Powercore muffler can be more expensive than stock parts.

2. Loudness: Depending on the specific muffler design and the bike's original exhaust system, the FMF Powercore muffler may produce a louder exhaust note.

3. Installation: Installing aftermarket exhaust components can be a complex and time-consuming process, requiring specialized tools and knowledge.

The FMF Powercore 42161 muffler offers several advantages for off-road riders, including improved engine performance, enhanced exhaust flow, lightweight construction, and durability. However, it also comes with disadvantages, such as a higher cost, potential for increased loudness, and the complexity of installation. Ultimately, the decision to purchase this muffler depends on the rider's personal preferences, budget, and technical capabilities.

If you are an experienced off-road rider looking to maximize your KLX140's performance and are willing to invest in a high-quality aftermarket exhaust component, the FMF Powercore 42161 muffler is an excellent choice. However, if you are a beginner rider or have a limited budget, you may want to consider sticking with the stock exhaust system or exploring more affordable aftermarket options.

Details:

Condition New. Round perforated steel inner cores make for optimum flow, using hi-Flo technology.: Hi-Flo end cap boosts all-around performance. Elliptical aluminum can offers strategic sizing for superior performance.

A stainless steel mid-pipe mates to the computer designed rear can for lightweight durability. Optional Quiet Core insert will provide a decrease in sound level if desired. Warranty See Manufacturer. Enhanced sonic evacuation delivers a higher flow of exhaust gases, which increases power.

Computer designed and Dino-tested for every 4-stroke application. FMs exclusive cross-weave internal packing provides longevity and maximum sound dispersion. Feature a screen-type spark arrest that does not interrupt exhaust flow or performance. Manufacturer Part Number 42161.

part #: 42161 prices

• $260.99-$289.99

specifications exhausterupt:

• for models: Klx140
• brand: Fmf
• part type: Muffler
• manufacturer warranty: See Manufacturer
• country of origin: United States
• manufacturer part number: 42161

shipping exhausterupt:

• transit: 2-6 Days
• service: FedEx Ground / FedEx Home Delivery
• class: Standard
• carrier: FedEx
• type: Fixed
• cost: $0.00

offer exhausterupt:

• sold: 0
• options: Ship-to-home
• started: June 4, 2026
• availability: In Stock

general exhausterupt:

• condition: New
• Motorcycle Scooter Parts Accessories > Exhaust Emission Systems > Exhaust System Kits

seller exhausterupt:

• rating: 99.7%
• # reviews: 98788
• city: Midland, Michigan

returns exhausterupt:

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

payments exhausterupt:

• wallet: Google-pay
• credit card: Diners-club
• other

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