FMF Racing Q4 HEX Spark Arrestor for 2015-19 KTM 250 / 350 / 450 / 500 models - 045590
FMF Racing Q4 Exhaust System
- Meets FIM World Enduro sound regulations
- Power gains throughout the entire rpm range
- Less mass to enhance power-to-weight ratio
- Rugged design for off-road endurance
- Pounds lighter than stock
- Less sound equals more ground
- Spark arrestor included
- Made in the USA
The Q series features advanced engineering to precisely locate baffles and chambers to absorb sound. Developed over years of championship off-road racing. Twin-stage core design for lower sound output and extended life of packing material. Comes standard with spark arrestor.
Note: For closed course competition use only; not intended for use on emissions controlled vehicles.
| Product Line | FMF Q4 Muffler |
| Part Number | 045590 |
| Fitment Type | Model-Specific Fitment |
| Use Type | |
| Unit Sale Qty | |
| Style | |
| Size | |
| Position | |
| Material | |
| Color | |
| Finish | |
| Exhaust Configuration | Single Canister Silencer |
| Muffler Size | |
| Muffler End/Tip Style | |
| California Emissions | FALSE |
| Product Disclaimer | |
| Fitment Note | |
| Fitment Note | |
| Fitment Note | |
| Fitment Note | |
| Fitment Note |
2018 KTM 350 XC-F
2017 KTM 350 XC-F
2016 KTM 350 XC-F
2018 KTM 350 SX-F
2017 KTM 350 SX-F
2016 KTM 350 SX-F
2019 KTM 350 EXC-F
2018 KTM 350 EXC-F
2017 KTM 350 EXC-F
2018 KTM 250 XC-F
2017 KTM 250 XC-F
2016 KTM 250 XC-F
2017 KTM 250 SX-F Factory Edition
2016 KTM 250 SX-F Factory Edition
2015 KTM 250 SX-F Factory Edition
2018 KTM 250 SX-F
2017 KTM 250 SX-F
2016 KTM 250 SX-F
2019 KTM 250 EXC-F
2018 KTM 250 EXC-F
2017 KTM 250 EXC-F
2018 Husqvarna FX 450
2017 Husqvarna FX 450
2018 Husqvarna FX 350
2017 Husqvarna FX 350
2019 Husqvarna FE 501
2018 Husqvarna FE 501
2017 Husqvarna FE 501
2019 Husqvarna FE 450
2018 Husqvarna FE 450
2017 Husqvarna FE 450
2019 Husqvarna FE 350
2018 Husqvarna FE 350
2017 Husqvarna FE 350
2019 Husqvarna FE 250
2018 Husqvarna FE 250
2017 Husqvarna FE 250
2018 Husqvarna FC 450
2017 Husqvarna FC 450
2016 Husqvarna FC 450
2018 Husqvarna FC 350
2017 Husqvarna FC 350
2016 Husqvarna FC 350
2018 Husqvarna FC 250
2017 Husqvarna FC 250
2016 Husqvarna FC 250
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
FMF Racing Q4 Exhaust System
- Meets FIM World Enduro sound regulations
- Power gains throughout the entire rpm range
- Less mass to enhance power-to-weight ratio
- Rugged design for off-road endurance
- Pounds lighter than stock
- Less sound equals more ground
- Spark arrestor included
- Made in the USA
The Q series features advanced engineering to precisely locate baffles and chambers to absorb sound. Developed over years of championship off-road racing. Twin-stage core design for lower sound output and extended life of packing material. Comes standard with spark arrestor.
Note: For closed course competition use only; not intended for use on emissions controlled vehicles.
| Product Line | FMF Q4 Muffler |
| Part Number | 045590 |
| Fitment Type | Model-Specific Fitment |
| Use Type | |
| Unit Sale Qty | |
| Style | |
| Size | |
| Position | |
| Material | |
| Color | |
| Finish | |
| Exhaust Configuration | Single Canister Silencer |
| Muffler Size | |
| Muffler End/Tip Style | |
| California Emissions | FALSE |
| Product Disclaimer | |
| Fitment Note | |
| Fitment Note | |
| Fitment Note | |
| Fitment Note | |
| Fitment Note |
2018 KTM 350 XC-F
2017 KTM 350 XC-F
2016 KTM 350 XC-F
2018 KTM 350 SX-F
2017 KTM 350 SX-F
2016 KTM 350 SX-F
2019 KTM 350 EXC-F
2018 KTM 350 EXC-F
2017 KTM 350 EXC-F
2018 KTM 250 XC-F
2017 KTM 250 XC-F
2016 KTM 250 XC-F
2017 KTM 250 SX-F Factory Edition
2016 KTM 250 SX-F Factory Edition
2015 KTM 250 SX-F Factory Edition
2018 KTM 250 SX-F
2017 KTM 250 SX-F
2016 KTM 250 SX-F
2019 KTM 250 EXC-F
2018 KTM 250 EXC-F
2017 KTM 250 EXC-F
2018 Husqvarna FX 450
2017 Husqvarna FX 450
2018 Husqvarna FX 350
2017 Husqvarna FX 350
2019 Husqvarna FE 501
2018 Husqvarna FE 501
2017 Husqvarna FE 501
2019 Husqvarna FE 450
2018 Husqvarna FE 450
2017 Husqvarna FE 450
2019 Husqvarna FE 350
2018 Husqvarna FE 350
2017 Husqvarna FE 350
2019 Husqvarna FE 250
2018 Husqvarna FE 250
2017 Husqvarna FE 250
2018 Husqvarna FC 450
2017 Husqvarna FC 450
2016 Husqvarna FC 450
2018 Husqvarna FC 350
2017 Husqvarna FC 350
2016 Husqvarna FC 350
2018 Husqvarna FC 250
2017 Husqvarna FC 250
2016 Husqvarna FC 250
