FMF KTM 250-450 SX-F 19-22 / HUSQVARNA FC250-450 19-22 / GASGAS MC250-450F 21-23 POWERCORE 4 HEX STAINLESS SLIP-ON
When designing the PowerCore 4 HEX, FMF looked at their top of the line products to deliver race-inspired performance at an economical price. The end result is a quality muffler with improved torque, increased horsepower and rugged durability all at a price that won't break the bank.
Completely redeveloped, THE POWERCORE 4 now features many of the design and engineering features ofĀ FMFsĀ top-of-the-line FACTORY 4.1 exhaust - Factory Forward engineering, durable fixed mount, sleek formed endcaps and removable spark arrestor screen. Although manufactured as a price point muffler,Ā they didnāt cut corners on material.Ā They utilise aircraft grade aluminium for the canister and new fixed mount. High strength stainless steel is used for the formed front and rear endcaps as well as the mandrel bent midpipe.
FEATURES
- Overall increase in power and torque
- Advanced packing material for maximum longevity
- Completely redesigned for all late model applications
- Aluminium performance muffler with durable stainless steel components
- 98dB sound level with 94dB insert available for purchase
- Space Age internal packing material for maximum longevity.
- Internal shape of core uses Hi-Flo technology.
- Enhanced sonic evacuation provides for higher flow and increased power.
- Use with FMF or stock/OEM header
- Removable spark arrestor included
- Easily serviced for repackingĀ
Please note: Image for reference only. Correct product will be provided.
SPECIFICATIONS
Notice: Closed Course Use Only
Item ID: 045626
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: Quiet Insert (sold separately)
Weight: 7.0 lbs
BIKE FITMENT
GASGAS
- EX 250F 2022-2023
- EX 350F 2022-2023
- EX 450F 2022-2023
- MC 250F 2021-2023
- MC 350F 2022-2023
- MC 450F 2021-2023
HUSQVARNA
- FC250 2019-2022
- FC350 2019-2022
- FC450 2019-2022
- FX350 2019-2022
- FX450 2019-2022
KTM
- 250 SX-F 2019-2022
- 250 XC-F 2019-2022
- 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 250-450 SX-F 19-22 / HUSQVARNA FC250-450 19-22 / GASGAS MC250-450F 21-23 POWERCORE 4 HEX STAINLESS SLIP-ON
FMF KTM 250-450 SX-F 19-22 / HUSQVARNA FC250-450 19-22 / GASGAS MC250-450F 21-23 POWERCORE 4 HEX STAINLESS SLIP-ON
When designing the PowerCore 4 HEX, FMF looked at their top of the line products to deliver race-inspired performance at an economical price. The end result is a quality muffler with improved torque, increased horsepower and rugged durability all at a price that won't break the bank.
Completely redeveloped, THE POWERCORE 4 now features many of the design and engineering features ofĀ FMFsĀ top-of-the-line FACTORY 4.1 exhaust - Factory Forward engineering, durable fixed mount, sleek formed endcaps and removable spark arrestor screen. Although manufactured as a price point muffler,Ā they didnāt cut corners on material.Ā They utilise aircraft grade aluminium for the canister and new fixed mount. High strength stainless steel is used for the formed front and rear endcaps as well as the mandrel bent midpipe.
FEATURES
- Overall increase in power and torque
- Advanced packing material for maximum longevity
- Completely redesigned for all late model applications
- Aluminium performance muffler with durable stainless steel components
- 98dB sound level with 94dB insert available for purchase
- Space Age internal packing material for maximum longevity.
- Internal shape of core uses Hi-Flo technology.
- Enhanced sonic evacuation provides for higher flow and increased power.
- Use with FMF or stock/OEM header
- Removable spark arrestor included
- Easily serviced for repackingĀ
Please note: Image for reference only. Correct product will be provided.
SPECIFICATIONS
Notice: Closed Course Use Only
Item ID: 045626
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: Quiet Insert (sold separately)
Weight: 7.0 lbs
BIKE FITMENT
GASGAS
- EX 250F 2022-2023
- EX 350F 2022-2023
- EX 450F 2022-2023
- MC 250F 2021-2023
- MC 350F 2022-2023
- MC 450F 2021-2023
HUSQVARNA
- FC250 2019-2022
- FC350 2019-2022
- FC450 2019-2022
- FX350 2019-2022
- FX450 2019-2022
KTM
- 250 SX-F 2019-2022
- 250 XC-F 2019-2022
- 350 SX-F 2019-2022
- 350 XC-F 2019-2022
- 450 SX-F 2019-2022
- 450 XC-F 2019-2022
Original: $487.35
-65%$487.35
$170.57Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
When designing the PowerCore 4 HEX, FMF looked at their top of the line products to deliver race-inspired performance at an economical price. The end result is a quality muffler with improved torque, increased horsepower and rugged durability all at a price that won't break the bank.
Completely redeveloped, THE POWERCORE 4 now features many of the design and engineering features ofĀ FMFsĀ top-of-the-line FACTORY 4.1 exhaust - Factory Forward engineering, durable fixed mount, sleek formed endcaps and removable spark arrestor screen. Although manufactured as a price point muffler,Ā they didnāt cut corners on material.Ā They utilise aircraft grade aluminium for the canister and new fixed mount. High strength stainless steel is used for the formed front and rear endcaps as well as the mandrel bent midpipe.
FEATURES
- Overall increase in power and torque
- Advanced packing material for maximum longevity
- Completely redesigned for all late model applications
- Aluminium performance muffler with durable stainless steel components
- 98dB sound level with 94dB insert available for purchase
- Space Age internal packing material for maximum longevity.
- Internal shape of core uses Hi-Flo technology.
- Enhanced sonic evacuation provides for higher flow and increased power.
- Use with FMF or stock/OEM header
- Removable spark arrestor included
- Easily serviced for repackingĀ
Please note: Image for reference only. Correct product will be provided.
SPECIFICATIONS
Notice: Closed Course Use Only
Item ID: 045626
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: Quiet Insert (sold separately)
Weight: 7.0 lbs
BIKE FITMENT
GASGAS
- EX 250F 2022-2023
- EX 350F 2022-2023
- EX 450F 2022-2023
- MC 250F 2021-2023
- MC 350F 2022-2023
- MC 450F 2021-2023
HUSQVARNA
- FC250 2019-2022
- FC350 2019-2022
- FC450 2019-2022
- FX350 2019-2022
- FX450 2019-2022
KTM
- 250 SX-F 2019-2022
- 250 XC-F 2019-2022
- 350 SX-F 2019-2022
- 350 XC-F 2019-2022
- 450 SX-F 2019-2022
- 450 XC-F 2019-2022














