FMF BETA RR350/RR390 20-25 STAINLESS MEGABOMB HEADER PIPE
FMF Megabomb Headers are the ultimate performance upgrade header pipe you'll ever bolt onto your four-stroke dirt bike. The science behind the FMF Megabomb header is perhaps one of FMF's greatest engineering accomplishments yet, and considering the range of impressive products they've constructed throughout their time, that's saying something. You can bolt one of these bad boys on with an existing FMF Muffler and makes gains all the way up to a 3hp boost, which is incredible! Plus, the Megabomb Header pipe can actually reduce noise levels by as much as 1.5dB, so it's a win-win situation all around. The technology behind the Megabomb works to produce a higher low end to mid-range power gains, as well as broadening the mid to top-end power of your stock exhaust header.
- Up to 10% horsepower
- Produces long header torque and short header over-rev
- Pre-muffler lowers sound output as much as 1.5dB
- Patented technology
- The most copied header in the world
Please note: Image for reference only. Correct product will be provided.
SPECIFICATIONS
Notice: Closed Course Use Only
Item ID: 045664
Type: Header
Configuration: Single
Carb Warning: no
Header Const: Stainless Steel
Header Type: MegaBomb
BIKE FITMENT
BETA
- RR350 4T 2020-2024
- RR350 4T RACE 2025
- RR350 4T RACING 2020-2024
- RR350 4T X-PRO 2025
- RR390 4T 2020-2024
- RR390 4T RACE 2025
- RR390 4T RACING 2020-2024
- RR390 4T X-PRO 2025
Product Information
Product Information
Shipping & Returns
Shipping & Returns

FMF BETA RR350/RR390 20-25 STAINLESS MEGABOMB HEADER PIPE
FMF BETA RR350/RR390 20-25 STAINLESS MEGABOMB HEADER PIPE
FMF Megabomb Headers are the ultimate performance upgrade header pipe you'll ever bolt onto your four-stroke dirt bike. The science behind the FMF Megabomb header is perhaps one of FMF's greatest engineering accomplishments yet, and considering the range of impressive products they've constructed throughout their time, that's saying something. You can bolt one of these bad boys on with an existing FMF Muffler and makes gains all the way up to a 3hp boost, which is incredible! Plus, the Megabomb Header pipe can actually reduce noise levels by as much as 1.5dB, so it's a win-win situation all around. The technology behind the Megabomb works to produce a higher low end to mid-range power gains, as well as broadening the mid to top-end power of your stock exhaust header.
- Up to 10% horsepower
- Produces long header torque and short header over-rev
- Pre-muffler lowers sound output as much as 1.5dB
- Patented technology
- The most copied header in the world
Please note: Image for reference only. Correct product will be provided.
SPECIFICATIONS
Notice: Closed Course Use Only
Item ID: 045664
Type: Header
Configuration: Single
Carb Warning: no
Header Const: Stainless Steel
Header Type: MegaBomb
BIKE FITMENT
BETA
- RR350 4T 2020-2024
- RR350 4T RACE 2025
- RR350 4T RACING 2020-2024
- RR350 4T X-PRO 2025
- RR390 4T 2020-2024
- RR390 4T RACE 2025
- RR390 4T RACING 2020-2024
- RR390 4T X-PRO 2025
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
FMF Megabomb Headers are the ultimate performance upgrade header pipe you'll ever bolt onto your four-stroke dirt bike. The science behind the FMF Megabomb header is perhaps one of FMF's greatest engineering accomplishments yet, and considering the range of impressive products they've constructed throughout their time, that's saying something. You can bolt one of these bad boys on with an existing FMF Muffler and makes gains all the way up to a 3hp boost, which is incredible! Plus, the Megabomb Header pipe can actually reduce noise levels by as much as 1.5dB, so it's a win-win situation all around. The technology behind the Megabomb works to produce a higher low end to mid-range power gains, as well as broadening the mid to top-end power of your stock exhaust header.
- Up to 10% horsepower
- Produces long header torque and short header over-rev
- Pre-muffler lowers sound output as much as 1.5dB
- Patented technology
- The most copied header in the world
Please note: Image for reference only. Correct product will be provided.
SPECIFICATIONS
Notice: Closed Course Use Only
Item ID: 045664
Type: Header
Configuration: Single
Carb Warning: no
Header Const: Stainless Steel
Header Type: MegaBomb
BIKE FITMENT
BETA
- RR350 4T 2020-2024
- RR350 4T RACE 2025
- RR350 4T RACING 2020-2024
- RR350 4T X-PRO 2025
- RR390 4T 2020-2024
- RR390 4T RACE 2025
- RR390 4T RACING 2020-2024
- RR390 4T X-PRO 2025














