Q4 Hex Exhaust Silencer 24-25 Kawasaki KX 450 F X - FMF 042402
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FMF Racing Q4 HEX S/A 042402 slip-on exhaust for off-road use. Features quiet technology, intricate chambers, baffles, and proprietary multistage packing for power gains across the RPM range while reducing sound output to meet USFS and FIM World Enduro regulations. Rugged and lighter than stock, ideal for endurance conditions and environmentally sensitive riding areas. Made in the USA with a grey anodised aluminium construction, stainless steel midpipe, and stainless steel endcap. Includes a screen insert spark arrestor and quiet insert. Item ID: 042402. Not for street use.
- SKU
- 07-4005.Q4
- Brand
- FMF Exhausts
- Availability
- In Stock (3)
Fitments (4)
| Make | Model | Year |
|---|---|---|
| KAWASAKI | KX 450F | 2024 |
| KAWASAKI | KX 450F | 2025 |
| KAWASAKI | KX 450X | 2024 |
| KAWASAKI | KX 450X | 2025 |
- SKU
- 07-4005.Q4
- Brand
- FMF Exhausts
- Availability
- In Stock (3)
FULL DESCRIPTION
FMF Racing Q4 Hex Silencer for Off-Road Performance
Experience industry-leading quiet technology with the FMF Racing Q4 HEX S/A exhaust system. This slip-on silencer is engineered for advanced off-road performance, delivering significant power gains across the entire RPM range without compromising on sound levels.
Featuring intricate chambers, baffles, and proprietary multi-stage packing, the Q4 HEX significantly reduces sound output to meet strict USFS and FIM World Enduro regulations. Its rugged and lightweight design allows riders to feel the power, not just hear it, making it ideal for endurance conditions and environmentally sensitive riding areas. Proudly made in the USA, this exhaust system includes a spark arrestor for added versatility.
Key Features:
- Superior quiet technology designed for off-road use.
- Reduces sound output without sacrificing performance.
- Meets USFS and FIM sound regulations.
- Includes a spark arrestor (screen insert).
- Significantly lighter than stock exhaust systems.
- Rugged and durable construction for demanding off-road use.
- Quiet insert is included for enhanced sound dampening.
- Precision engineered for optimal power delivery.
Specifications:
- Type: Slip-On
- Configuration: Single
- Construction Material: Aluminium
- Finish: Grey Anodised
- Midpipe Material: Stainless Steel
- Endcap Material: Stainless Steel
- Spark Arrestor Type: Screen Insert (included)
- Quiet Insert: Included
Notice: For Closed Course Use Only.
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Check the fitment table on this page against your make, model and year. Not sure? Call or email us and we will check it for you before you order.
Yes. We ship from the UK. Orders ship within 3 working days, then delivery to the United States takes 5–8 business days. The delivery price is shown at checkout before you pay. Delivery details
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