FMF KTM 350/450 SX-F 19-22 / HUSQVARNA FC350/FC450 19-22 / GASGAS MC350F/MC450F 21-23 Q4 HEX STAINLESS SLIP-ON
FMF is the leader in high performance quiet technology and their 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 donāt need to hear the power, just feel the power!
FEATURES
- 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
Please note: Image for reference only. Correct product will be provided.
SPECIFICATIONS
Notice: Closed Course Use Only
Item ID: 045627
Type: Slip-On
Configuration: Single
Const: Aluminium
Finish: Natural
Midpipe: Stainless Steel
Endcap: Stainless Steel
Spark Arrestor: Screen Insert (included)
Carb Warning: no
Quiet Insert: Included
Weight: 6.1 lbs
BIKE FITMENT
GASGAS
- EX 350F 2022-2023
- EX 450F 2022-2023
- MC 350F 2022-2023
- MC 450F 2021-2023
HUSQVARNA
- FC350 2019-2022
- FC450 2019-2022
- FX350 2019-2022
- FX450 2019-2022
KTM
- 350 SX-F 2019-2022
- 350 XC-F 2019-2022
- 450 SX-F 2019-2022
- 450 XC-F 2019-2022
Product Information
Product Information
Shipping & Returns
Shipping & Returns

FMF KTM 350/450 SX-F 19-22 / HUSQVARNA FC350/FC450 19-22 / GASGAS MC350F/MC450F 21-23 Q4 HEX STAINLESS SLIP-ON
FMF KTM 350/450 SX-F 19-22 / HUSQVARNA FC350/FC450 19-22 / GASGAS MC350F/MC450F 21-23 Q4 HEX STAINLESS SLIP-ON
FMF is the leader in high performance quiet technology and their 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 donāt need to hear the power, just feel the power!
FEATURES
- 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
Please note: Image for reference only. Correct product will be provided.
SPECIFICATIONS
Notice: Closed Course Use Only
Item ID: 045627
Type: Slip-On
Configuration: Single
Const: Aluminium
Finish: Natural
Midpipe: Stainless Steel
Endcap: Stainless Steel
Spark Arrestor: Screen Insert (included)
Carb Warning: no
Quiet Insert: Included
Weight: 6.1 lbs
BIKE FITMENT
GASGAS
- EX 350F 2022-2023
- EX 450F 2022-2023
- MC 350F 2022-2023
- MC 450F 2021-2023
HUSQVARNA
- FC350 2019-2022
- FC450 2019-2022
- FX350 2019-2022
- FX450 2019-2022
KTM
- 350 SX-F 2019-2022
- 350 XC-F 2019-2022
- 450 SX-F 2019-2022
- 450 XC-F 2019-2022
Original: $506.90
-65%$506.90
$177.41Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
FMF is the leader in high performance quiet technology and their 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 donāt need to hear the power, just feel the power!
FEATURES
- 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
Please note: Image for reference only. Correct product will be provided.
SPECIFICATIONS
Notice: Closed Course Use Only
Item ID: 045627
Type: Slip-On
Configuration: Single
Const: Aluminium
Finish: Natural
Midpipe: Stainless Steel
Endcap: Stainless Steel
Spark Arrestor: Screen Insert (included)
Carb Warning: no
Quiet Insert: Included
Weight: 6.1 lbs
BIKE FITMENT
GASGAS
- EX 350F 2022-2023
- EX 450F 2022-2023
- MC 350F 2022-2023
- MC 450F 2021-2023
HUSQVARNA
- FC350 2019-2022
- FC450 2019-2022
- FX350 2019-2022
- FX450 2019-2022
KTM
- 350 SX-F 2019-2022
- 350 XC-F 2019-2022
- 450 SX-F 2019-2022
- 450 XC-F 2019-2022














