STICKERS
PACKING
FMF is the leader in high performance quiet technology and our Q4 HEX is the next evolution in off road exhaust. The Q4 employs intricate chambers, baffles and proprietary multistage packing material making it the best performing quiet muffler available. With the Q4 you don’t need to hear the power, just feel the power!
-Less sound equals more ground
-Meets USFS and FIM World Enduro sound regulations
-Power gains throughout the entire rpm range
-Spark arrestor included
-Pounds lighter than stock
-Rugged design for off-road endurance
-Only US manufacturer to offer dedicated quiet exhaust systems
-MADE IN THE USA
-See Features Tab -> Fitment for header compatibility
Notice: Closed Course Use Only
Item ID: 045627
Type: Slip-On
Configuration: Single
Const: Aluminum
Finish: Natural
Midpipe: Stainless Steel
Endcap: Stainless Steel
Spark Arrestor: Screen Insert (included)
Carb Warning: no
Quiet Insert: Included
Weight: 6.1 lbs.
| Make | Model | Year |
|---|---|---|
| GAS GAS | EX 250F | 21-23 |
| GAS GAS | EX 350F | 21-23 |
| GAS GAS | EX 450F | 21-23 |
| GAS GAS | MC 250F | 21-23 |
| GAS GAS | MC 350F | 21-23 |
| GAS GAS | MC 450F | 21-23 |
| HUSQVARNA | FC 250 | 19-22 |
| HUSQVARNA | FC 350 | 19-22 |
| HUSQVARNA | FC 450 | 19-22 |
| HUSQVARNA | FC 450 ROCKSTAR EDITION | 18,20-21 |
| HUSQVARNA | FX 350 | 19-22 |
| HUSQVARNA | FX 450 | 19-22 |
| KTM | 250 SX-F | 19-22 |
| KTM | 250 XC-F | 19-22 |
| KTM | 350 SX-F | 19-22 |
| KTM | 350 XC-F | 19-22 |
| KTM | 350 XC-F KAILUB RUSSELL | 21 |
| KTM | 450 SX-F | 19-22 |
| KTM | 450 SX-F FACTORY EDITION | 18,20-21 |
| KTM | 450 XC-F | 19-22 |
For: GAS GAS EX 250F 2021
For: GAS GAS EX 250F 2021
For: GAS GAS EX 250F 2021
For: GAS GAS EX 250F 2021
For: GAS GAS EX 250F 2021