PowerBomb Exhaust Header 07-15 Yamaha 450 WR YZ F - FMF 044225
4.1 Trustpilot 99.9% positive on eBay
Free UK delivery 2–4 business days
Spread the cost with 18+, T&Cs apply
The FMF PowerBomb 044225 is a performance four-stroke header with FMF’s patented PowerBomb module in the initial stage of the exhaust system. This design increases exhaust flow by nearly 10% using sonic expansion and contraction within the outer chamber, improving horsepower and velocity. The PowerBomb also functions as a pre-muffler, reducing sound output by expanding exhaust gases and increasing sound-absorbing surface area. Constructed from stainless steel, it offers enhanced performance and throttle response. Features include a patented PowerBomb module for up to 10% more flow and power, a sonic expansion chamber that acts as a pre-muffler for reduced sound, and stainless steel construction for strength and durability. This header is designed for increased performance across the powerband and is for closed course use only. Item ID: 044225. Type: Header. Construction: Stainless steel. Header Type: PowerBomb. Weight: 1.7 lbs (0.77 kg). Carb Compliant: No. Manufacturer: FMF Exhausts.
- SKU
- 06-246.FMF.PBS
- Brand
- FMF Exhausts
- Availability
- In Stock (2)
Fitments (24)
| Make | Model | Year |
|---|---|---|
| YAMAHA | WR 450F | 2007 |
| YAMAHA | WR 450F | 2008 |
| YAMAHA | WR 450F | 2009 |
| YAMAHA | WR 450F | 2010 |
| YAMAHA | WR 450F | 2011 |
| YAMAHA | WR 450F | 2012 |
| YAMAHA | WR 450F | 2013 |
| YAMAHA | WR 450F | 2014 |
| YAMAHA | WR 450F | 2015 |
| YAMAHA | WRF 450 | 2007 |
| YAMAHA | WRF 450 | 2008 |
| YAMAHA | WRF 450 | 2009 |
| YAMAHA | WRF 450 | 2010 |
| YAMAHA | WRF 450 | 2011 |
| YAMAHA | WRF 450 | 2012 |
| YAMAHA | WRF 450 | 2013 |
| YAMAHA | WRF 450 | 2014 |
| YAMAHA | WRF 450 | 2015 |
| YAMAHA | YZ 450F | 2007 |
| YAMAHA | YZ 450F | 2008 |
| YAMAHA | YZ 450F | 2009 |
| YAMAHA | YZF 450 | 2007 |
| YAMAHA | YZF 450 | 2008 |
| YAMAHA | YZF 450 | 2009 |
- General Product Group
- Exhaust Systems & Parts
- General Product Type
- Header Pipe
- Variant Id
- 209740
FULL DESCRIPTION
FMF PowerBomb Exhaust Header
The FMF PowerBomb Exhaust Header is a performance-engineered component designed to significantly enhance your motorcycle's power and throttle response. Featuring FMF's patented PowerBomb module, this header utilizes sonic expansion and contraction within an outer chamber to increase exhaust flow by up to 10%. This advancement results in a noticeable boost in horsepower and velocity across the entire powerband.
Beyond its performance benefits, the integrated PowerBomb module also functions as a pre-muffler. By expanding exhaust gases, it increases sound-absorbing surface area, helping to reduce overall sound output. Crafted from durable stainless steel, this header is built for longevity and resilience.
Key Features:
- Patented PowerBomb module increases exhaust flow and power output by up to 10%.
- Sonic expansion chamber acts as a pre-muffler to reduce sound levels.
- Constructed from robust stainless steel for enhanced strength and durability.
- Engineered to deliver improved performance and throttle response.
- Designed for closed course use only.
Specifications:
- Item Type: Exhaust Header
- Header Type: PowerBomb
- Construction Material: Stainless Steel
- Weight: 1.7 lbs (0.77 kg)
- Carburetor Compliance: No
QUESTIONS? JUST ASK
Talk to John or Phil. Real people, Monday to Friday, 10:00 to 17:00.
Check the fitment table on this page against your make, model and year. Not sure? Call or email us and we will check it for you before you order.
UK delivery is £4.99, or free on orders over £60. Orders ship within 3 working days, then delivery takes 2–4 business days. Delivery details
Yes. You have 14 days from delivery to return it, unused and in its original packaging. Contact us first and we will send you the return instructions. Returns policy
By card, PayPal, Apple Pay or Google Pay, or spread the cost with Klarna. Payment is taken securely by Stripe, and the options for your order are shown at checkout.
More answers in our FAQ.
Trade pricing available
Buying parts for your business? Apply for a 2BrosParts trade account.


