Name: Q4 Hex Exhaust Silencer 18-23 KTM Husqvarna GasGas 250 350 450 SX-F XC-F FC FX MC EX - FMF 045627
Brand: FMF Exhausts
SKU: 06-9907.QC4H
Price: 544.89 GBP
Availability: InStock

Q4 Hex Exhaust Silencer 18-23 KTM Husqvarna GasGas 250 350 450 SX-F XC-F FC FX MC EX - FMF 045627

FMF Exhausts
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Description

The FMF Q4 HEX S/A 045627 is engineered for discerning off-road riders demanding peak performance alongside minimal noise. Leveraging advanced chambered baffling and exclusive packing materials, this slip-on silencer delivers substantial power gains across the rpm range while meeting USFS and FIM World Enduro sound standards. Designed for durability and weight savings, it includes a spark arrestor as standard, making it ideal for rugged, long-distance trail use. Manufactured in the USA, this exhaust is the definitive solution for those seeking quiet, race-quality exhaust systems without compromise.

Features

USFS and FIM World Enduro compliant sound levels
Proprietary multistage packing material ensures quiet operation
Boosts power throughout the full rpm range
Integrated spark arrestor for off-road legality
Lighter than OEM systems—improves manoeuvrability
Robust aluminium and stainless steel construction
Slip-on, single-exit configuration
Quiet insert included
Designed and manufactured in the USA
Closed course use only

Specifications

Item ID: 045627
Type: Slip-On
Configuration: Single
Construction Material: Aluminium
Finish: Natural
Midpipe Material: Stainless Steel
Endcap Material: Stainless Steel
Spark Arrestor: Screen insert (included)
Quiet Insert: Included
Weight: 6.1 lbs (2.77 kg)
Carb Warning: No

Vehicle Fitment

GAS GAS

EX 250F (2021–2023)
EX 350F (2021–2023)
EX 450F (2021–2023)
MC 250F (2021–2023)
MC 350F (2021–2023)
MC 450F (2021–2023)

HUSQVARNA

FC 250 (2019–2022)
FC 350 (2019–2022)
FC 450 (2019–2022)
FC 450 Rockstar Edition (2018, 2020–2021)
FX 350 (2019–2022)
FX 450 (2019–2022)

KTM

250 SX-F (2019–2022)
250 XC-F (2019–2022)
350 SX-F (2019–2022)
350 XC-F (2019–2022)
350 XC-F Kailub Russell (2021)
450 SX-F (2019–2022)
450 SX-F Factory Edition (2018, 2020–2021)
450 XC-F (2019–2022)

Vehicle Compatibility

Please check the exact model and year before ordering.

Manufacturer	Model	Years
KTM	XC F 350	2019-2020
KTM	XC F 450	2019-2020
HUSQVARNA	FC 350	2019-2020
HUSQVARNA	FC 350	2019-2021
HUSQVARNA	FC 450	2019-2021
KTM	SX F 350	2019-2020
KTM	SX F 350	2019-2021
HUSQVARNA	FX 350	2019-2020
HUSQVARNA	FX 350	2019-2021
KTM	XC F 350	2019-2021
KTM	XC F 450	2019-2021
KTM	SX F 450	2019-2020
KTM	SX F 450	2019-2021
HUSQVARNA	FX 450	2019-2020
HUSQVARNA	FX 450	2019-2021
HUSQVARNA	FC 450	2019-2020

Q4 Hex Exhaust Silencer 18-23 KTM Husqvarna GasGas 250 350 450 SX-F XC-F FC FX MC EX - FMF 045627

FMF Exhausts
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Product form

The FMF Q4 HEX S/A 045627 is engineered for discerning off-road riders demanding peak performance alongside minimal noise. Leveraging advanced... Read more

1 in stock 1-2 business days

£544.89 Incl. VAT

Guaranteed secure & safe checkout.

SKU: 06-9907.QC4H

Free shipping on all orders above £75

No hassle returns within 30 days

Description

The FMF Q4 HEX S/A 045627 is engineered for discerning off-road riders demanding peak performance alongside minimal noise. Leveraging advanced chambered baffling and exclusive packing materials, this slip-on silencer delivers substantial power gains across the rpm range while meeting USFS and FIM World Enduro sound standards. Designed for durability and weight savings, it includes a spark arrestor as standard, making it ideal for rugged, long-distance trail use. Manufactured in the USA, this exhaust is the definitive solution for those seeking quiet, race-quality exhaust systems without compromise.

Features

USFS and FIM World Enduro compliant sound levels
Proprietary multistage packing material ensures quiet operation
Boosts power throughout the full rpm range
Integrated spark arrestor for off-road legality
Lighter than OEM systems—improves manoeuvrability
Robust aluminium and stainless steel construction
Slip-on, single-exit configuration
Quiet insert included
Designed and manufactured in the USA
Closed course use only

Specifications

Item ID: 045627
Type: Slip-On
Configuration: Single
Construction Material: Aluminium
Finish: Natural
Midpipe Material: Stainless Steel
Endcap Material: Stainless Steel
Spark Arrestor: Screen insert (included)
Quiet Insert: Included
Weight: 6.1 lbs (2.77 kg)
Carb Warning: No

Vehicle Fitment

GAS GAS

EX 250F (2021–2023)
EX 350F (2021–2023)
EX 450F (2021–2023)
MC 250F (2021–2023)
MC 350F (2021–2023)
MC 450F (2021–2023)

HUSQVARNA

FC 250 (2019–2022)
FC 350 (2019–2022)
FC 450 (2019–2022)
FC 450 Rockstar Edition (2018, 2020–2021)
FX 350 (2019–2022)
FX 450 (2019–2022)

KTM

250 SX-F (2019–2022)
250 XC-F (2019–2022)
350 SX-F (2019–2022)
350 XC-F (2019–2022)
350 XC-F Kailub Russell (2021)
450 SX-F (2019–2022)
450 SX-F Factory Edition (2018, 2020–2021)
450 XC-F (2019–2022)

Vehicle Compatibility

Please check the exact model and year before ordering.

Manufacturer	Model	Years
KTM	XC F 350	2019-2020
KTM	XC F 450	2019-2020
HUSQVARNA	FC 350	2019-2020
HUSQVARNA	FC 350	2019-2021
HUSQVARNA	FC 450	2019-2021
KTM	SX F 350	2019-2020
KTM	SX F 350	2019-2021
HUSQVARNA	FX 350	2019-2020
HUSQVARNA	FX 350	2019-2021
KTM	XC F 350	2019-2021
KTM	XC F 450	2019-2021
KTM	SX F 450	2019-2020
KTM	SX F 450	2019-2021
HUSQVARNA	FX 450	2019-2020
HUSQVARNA	FX 450	2019-2021
HUSQVARNA	FC 450	2019-2020

Shipping & Delivery

How long will my item take to arrive?

Orders are typically dispatched within 1 working day and are shipped on a 24hour (non-guaranteed) service.

Where do you ship to?

We currently only ship orders within the UK.

How can I track my order?

Once your order has been dispatched, you will receive a tracking code. Tracking information is emailed to the email address that was provided when placing the order.

Can I collect my order?

Unfortunately we do not offer order collections from our fulfilment centre.