MegaBomb Exhaust Header 09-22 Yamaha YFZ 450 R X - FMF 044358
Transform your ATV’s power delivery with the FMF Racing MegaBomb 044358 header. Engineered for maximum performance, the MegaBomb increases output from stock engines by up to 3 horsepower while also reducing noise by as much as 1.5dB. Its advanced design delivers both exceptional torque at low revs and strong over-rev performance at higher RPMs. Constructed using premium American stainless steel, this header bolts on with ease for immediate gains whether you’re chasing holeshots or tackling competitive climbs. Features include increased horsepower by up to 3hp over stock, enhanced low-end torque and extended over-rev, reduced exhaust sound levels by approximately 1.5dB, fabrication from high-grade American stainless steel for durability, patent pending MegaBomb header design, and simple bolt-on installation for quick power increase. Designed for closed course competition use only. Specifications: Type Header, Header Type MegaBomb, Header Construction Stainless Steel, Item ID 044358, Weight 1.8 lbs (approx. 0.82 kg), CARB Compliancy No.
- SKU
- 06-718.FMF.MBS
- Brand
- FMF Exhausts
- Availability
- Out of Stock
FULL DESCRIPTION
FMF Racing MegaBomb Exhaust Header
Transform your ATV’s power delivery with the FMF Racing MegaBomb exhaust header. Engineered for maximum performance, the MegaBomb increases output from stock engines and delivers enhanced torque at low revs as well as strong over-rev performance at higher RPMs. Its advanced design delivers both exceptional torque at low revs and strong over-rev performance at higher RPMs. Constructed using premium American stainless steel, this header bolts on with ease for immediate gains whether you’re chasing holeshots or tackling competitive climbs.
Key Features:
- Increases horsepower over stock
- Delivers enhanced low-end torque and extended over-rev
- Reduces exhaust sound levels
- Fabricated from high-grade American stainless steel for durability
- Patent pending MegaBomb header design
- Simple bolt-on installation for quick power increase
- Designed for closed course competition use only
Specifications:
- Type: Header
- Header Type: MegaBomb
- Header Construction: Stainless Steel
- Weight: 1.8 lbs (approximately 0.82 kg)
- CARB Compliancy: No


