Name: Q4 Hex Exhaust Silencer 15-19 KTM Husqvarna 250 350 450 500 - FMF 045590
Brand: FMF Exhausts
SKU: 06-1780.FMF.Q4H
Price: 478.71 GBP
Availability: InStock

Q4 Hex Exhaust Silencer 15-19 KTM Husqvarna 250 350 450 500 - FMF 045590

FMF Exhausts
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Description

The FMF Q4 HEX S/A exhaust represents the forefront of performance-driven quiet technology for off-road motorcycles. Utilising advanced chambers, internal baffles, and exclusive multistage packing, this slip-on delivers impressive power gains throughout the entire rpm range—all while remaining compliant with stringent USFS and FIM sound requirements. Reduced weight, robust durability, and built-in spark arrestor make it a top choice for riders demanding serious performance with minimal noise.

Features

Industry-leading quiet performance with substantial power gains
Meets USFS and FIM World Enduro sound regulations
Integrated spark arrestor enhances safety
Significantly lighter than OEM exhausts
Constructed for maximum off-road endurance
Made in the USA
Notice: Closed Course Use Only

Specifications

Item ID: 045590
Type: Slip-On
Configuration: Single
Construction: Aluminium
Finish: Natural
Midpipe: Stainless steel
Endcap: Stainless steel
Spark arrestor: Screen insert (included)
Quiet insert: Included
Weight: 5.1 lbs
Carb warning: None

Vehicle Fitment

Husqvarna

FC 250 (2016–2018)
FC 350 (2016–2018)
FC 450 (2016–2018)
FE 250 (2017–2019)
FE 350 (2017–2019)
FE 450 (2017–2019)
FE501 (2017–2019)
FX 350 (2017–2018)
FX 450 (2017–2018)

KTM

250 EXC-F (2017–2019)
250 SX-F (2016–2018)
250 SX-F Factory Edition (2015–2017)
250 XC-F (2016–2018)
350 EXC-F (2017–2019)
350 SX-F (2016–2018)
350 XC-F (2016–2018)
450 EXC-F (2018–2019)
450 EXC-F Six Days (2017–2019)
450 SX-F (2016–2018)
450 SX-F Factory Edition (2015–2017)
450 XC-F (2016–2018)
500 EXC-F (2017–2019)

Vehicle Compatibility

Please check the exact model and year before ordering.

Manufacturer	Model	Years
HUSQVARNA	FE 250	2017
KTM	XC F 350	2016-2018
KTM	XC F 450	2016-2018
KTM	SX F 250	2018
KTM	SX F 250	2016-2017
KTM	SX F 350	2016-2018
HUSQVARNA	FC 450	2016-2018
HUSQVARNA	FE 350	2017
HUSQVARNA	FE 350	2018-2019
KTM	EXC F 450	2018-2019
KTM	EXC F 500	2017-2019
KTM	EXC F 250	2017-2019
KTM	EXC F 350	2017-2019
HUSQVARNA	FE 250	2018-2019
HUSQVARNA	FE 450	2018-2019
HUSQVARNA	FC 350	2016-2018
KTM	SX F 450	2016-2018
HUSQVARNA	FE 501	2017-2019
KTM	SX F FACTORY EDITION 450	2015-2017
KTM	SX F 450	2015-2017
HUSQVARNA	FC 250	2018
KTM	XC F 250	2016-2017
KTM	SX F FACTORY EDITION 250	2015-2017
KTM	SX F 250	2015-2017
HUSQVARNA	FC 250	2016-2017

Q4 Hex Exhaust Silencer 15-19 KTM Husqvarna 250 350 450 500 - FMF 045590

FMF Exhausts
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Product form

The FMF Q4 HEX S/A exhaust represents the forefront of performance-driven quiet technology for off-road motorcycles. Utilising advanced chambers, internal... Read more

3 in stock 1-2 business days

£478.71 Incl. VAT

Guaranteed secure & safe checkout.

SKU: 06-1780.FMF.Q4H

Free shipping on all orders above £75

No hassle returns within 30 days

Description

The FMF Q4 HEX S/A exhaust represents the forefront of performance-driven quiet technology for off-road motorcycles. Utilising advanced chambers, internal baffles, and exclusive multistage packing, this slip-on delivers impressive power gains throughout the entire rpm range—all while remaining compliant with stringent USFS and FIM sound requirements. Reduced weight, robust durability, and built-in spark arrestor make it a top choice for riders demanding serious performance with minimal noise.

Features

Industry-leading quiet performance with substantial power gains
Meets USFS and FIM World Enduro sound regulations
Integrated spark arrestor enhances safety
Significantly lighter than OEM exhausts
Constructed for maximum off-road endurance
Made in the USA
Notice: Closed Course Use Only

Specifications

Item ID: 045590
Type: Slip-On
Configuration: Single
Construction: Aluminium
Finish: Natural
Midpipe: Stainless steel
Endcap: Stainless steel
Spark arrestor: Screen insert (included)
Quiet insert: Included
Weight: 5.1 lbs
Carb warning: None

Vehicle Fitment

Husqvarna

FC 250 (2016–2018)
FC 350 (2016–2018)
FC 450 (2016–2018)
FE 250 (2017–2019)
FE 350 (2017–2019)
FE 450 (2017–2019)
FE501 (2017–2019)
FX 350 (2017–2018)
FX 450 (2017–2018)

KTM

250 EXC-F (2017–2019)
250 SX-F (2016–2018)
250 SX-F Factory Edition (2015–2017)
250 XC-F (2016–2018)
350 EXC-F (2017–2019)
350 SX-F (2016–2018)
350 XC-F (2016–2018)
450 EXC-F (2018–2019)
450 EXC-F Six Days (2017–2019)
450 SX-F (2016–2018)
450 SX-F Factory Edition (2015–2017)
450 XC-F (2016–2018)
500 EXC-F (2017–2019)

Vehicle Compatibility

Please check the exact model and year before ordering.

Manufacturer	Model	Years
HUSQVARNA	FE 250	2017
KTM	XC F 350	2016-2018
KTM	XC F 450	2016-2018
KTM	SX F 250	2018
KTM	SX F 250	2016-2017
KTM	SX F 350	2016-2018
HUSQVARNA	FC 450	2016-2018
HUSQVARNA	FE 350	2017
HUSQVARNA	FE 350	2018-2019
KTM	EXC F 450	2018-2019
KTM	EXC F 500	2017-2019
KTM	EXC F 250	2017-2019
KTM	EXC F 350	2017-2019
HUSQVARNA	FE 250	2018-2019
HUSQVARNA	FE 450	2018-2019
HUSQVARNA	FC 350	2016-2018
KTM	SX F 450	2016-2018
HUSQVARNA	FE 501	2017-2019
KTM	SX F FACTORY EDITION 450	2015-2017
KTM	SX F 450	2015-2017
HUSQVARNA	FC 250	2018
KTM	XC F 250	2016-2017
KTM	SX F FACTORY EDITION 250	2015-2017
KTM	SX F 250	2015-2017
HUSQVARNA	FC 250	2016-2017

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.