FMF Racing FMF045627 KTM 350SXF/450SXF/FE Q4 S/A

Developed over years of championship offroad racing. Max sound output 96dB; most models below 94dB. Use with stock or FMF header. Constructed from aircraft-grade aluminum and high-strength stainless steel.

The FMF Racing Q4 S/A is developed from years of championship off-road racing experience. It delivers a maximum sound output of 96 dB, while most models produce less than 94 dB. The muffler can be used with a stock header or an FMF header.

Constructed from aircraft-grade aluminum and high-strength stainless steel, the Q4 S/A is designed for powersports applications. Part number FMF045627 fits select KTM models from 2018 through 2020.

Key Features & Performance Benefits

• Championship-Inspired Development: Developed over years of championship off-road racing.
• Controlled Sound Output: Maximum sound output of 96 dB; most models are below 94 dB.
• Header Compatibility: Use with a stock or FMF header.
• Durable Construction: Built from aircraft-grade aluminum and high-strength stainless steel.

Product Specifications & Technical Data

• Brand: FMF Racing
• Part Number: FMF045627
• Product Name: KTM 350SXF/450SXF/FE Q4 S/A
• Part Type: Powersports
• Maximum Sound Output: 96 dB
• Typical Model Sound Output: Below 94 dB for most models
• Primary Material: Aircraft-grade aluminum
• Additional Material: High-strength stainless steel

What's Included

This product data does not specify the box contents.

Fitment

• 2018 KTM 250 SX-F
• 2018 KTM 250 XC-F
• 2019 KTM 250 SX-F
• 2019 KTM 250 XC-F
• 2019 KTM 350 SX-F
• 2019 KTM 350 XC-F
• 2019 KTM 450 SX-F
• 2019 KTM 450 XC-F
• 2020 KTM 250 SX-F
• 2020 KTM 350 SX-F

Fitments:
2018 Husqvarna FC450 Rockstar Edition Base
2018 KTM 250 SX-F Base
2018 KTM 250 XC-F Base
2018 KTM 450 SX-F Factory Edition Base
2019 Husqvarna FC250 Base
2019 Husqvarna FC350 Base
2019 Husqvarna FC450 Base
2019 Husqvarna FX350 Base
2019 Husqvarna Fx450 Base
2019 KTM 250 EXC-F Base
2019 KTM 250 SX-F Base
2019 KTM 250 XC-F Base
2019 KTM 350 EXC-F Base
2019 KTM 350 SX-F Base
2019 KTM 350 XC-F Base
2019 KTM 450 EXC-F Base
2019 KTM 450 EXC-F Six Days Base
2019 KTM 450 SX-F Base
2019 KTM 450 SX-F Factory Edition Base
2019 KTM 450 XC-F Base
2020 Husqvarna FC250 Base
2020 Husqvarna FC350 Base
2020 Husqvarna FC450 Base
2020 Husqvarna FC450 Rockstar Edition Base
2020 Husqvarna FX350 Base
2020 Husqvarna Fx450 Base
2020 KTM 250 EXC-F Base
2020 KTM 250 SX-F Base
2020 KTM 250 XC-F Base
2020 KTM 350 EXC-F Base
2020 KTM 350 SX-F Base
2020 KTM 350 XC-F Base
2020 KTM 450 EXC-F Base
2020 KTM 450 EXC-F Six Days Base
2020 KTM 450 SX-F Base
2020 KTM 450 SX-F Factory Edition Base
2020 KTM 450 XC-F Base
2021 Gas Gas EX 250F Base
2021 Gas Gas EX 350F Base
2021 Gas Gas EX 450F Base
2021 Gas Gas MC 250F Base
2021 Gas Gas MC 450F Base
2021 Husqvarna FC250 Base
2021 Husqvarna FC350 Base
2021 Husqvarna FC450 Base
2021 Husqvarna FX350 Base
2021 Husqvarna Fx450 Base
2021 KTM 250 EXC-F Base
2021 KTM 250 SX-F Base
2021 KTM 250 XC-F Base
2021 KTM 350 EXC-F Base
2021 KTM 350 SX-F Base
2021 KTM 350 XC-F Base
2021 KTM 450 EXC-F Base
2021 KTM 450 EXC-F Six Days Base
2021 KTM 450 SX-F Base
2021 KTM 450 SX-F Factory Edition Base
2021 KTM 450 XC-F Base
2022 Gas Gas EX 250F Base
2022 Gas Gas EX 350F Base
2022 Gas Gas EX 450F Base
2022 Gas Gas MC 250F Base
2022 Gas Gas MC 350F Base
2022 Gas Gas MC 450F Base
2022 Gas Gas MC 450F Troy Lee Designs Base
2022 Husqvarna FC250 Base
2022 Husqvarna FC350 Base
2022 Husqvarna FC450 Base
2022 Husqvarna FX350 Base
2022 Husqvarna Fx450 Base
2022 KTM 250 SX-F Base
2022 KTM 250 XC-F Base
2022 KTM 350 EXC-F Base
2022 KTM 350 SX-F Base
2022 KTM 350 XC-F Base
2022 KTM 450 EXC-F Base
2022 KTM 450 EXC-F Six Days Base
2022 KTM 450 SX-F Base
2022 KTM 450 XC-F Base
2023 Gas Gas EX 250F Base
2023 Gas Gas EX 350F Base
2023 Gas Gas EX 450F Base
2023 Gas Gas MC 250F Base
2023 Gas Gas MC 350F Base
2023 Gas Gas MC 450F Base

Air Freight Prohibited: false
Not Carb Approved: false
Ltl Freight Required: false
Prop 65: Unknown
Part Type: powersports
Epa: N/A
Carb Acknowledgement Required: false
Regular Stock: t
Units Per Sku: 1