Factory Fatty Exhaust Pipe 99-26 Yamaha YZ 250 - FMF 024056
The Factory Fatty exhaust pipe is designed to evoke the revered “works” or cone-style pipes used by professional factory race teams. Engineered with premium craftsmanship and advanced materials, it offers a broader, smoother power curve, delivering power gains across the entire rev range—from boosted low-end and mid-range to heightened over-rev. This exhaust system enhances both response and overall engine performance. Constructed with a lightweight 20-gauge steel body and a 19-gauge steel header for strength and durability. Hand-pounded seams deliver smooth flow transitions. O-rings are included for effective sealing on most models. Item ID: 024056. Type: Pipes. Carb Warning: no. Weight: 5.0 lbs. Body material: 20-gauge steel. Header material: 19-gauge steel.
- SKU
- 07-236.FMF.FAC
- Brand
- FMF Exhausts
- Availability
- In Stock (1)
FULL DESCRIPTION
FMF Factory Fatty Exhaust Pipe
The FMF Factory Fatty Exhaust Pipe is engineered to replicate the performance and aesthetic of the revered “works” or cone-style pipes used by professional factory race teams. This exhaust system is crafted with premium materials and advanced manufacturing techniques to deliver significant improvements in engine performance across the entire rev range. Experience a broader, smoother power curve with gains in low-end torque, mid-range pull, and extended over-rev capabilities. This pipe is designed to enhance throttle response and boost overall engine output, making it ideal for riders seeking a competitive edge.
Key Features
- Revolutionary Design: Evokes the heritage of "factory works" exhaust pipes for a distinctive look and feel.
- Enhanced Power Curve: Broadens and smooths the power delivery, providing more usable power from low RPM to the top end.
- Increased Performance: Delivers noticeable gains in low-end torque, mid-range power, and improved over-rev characteristics.
- Durable Construction: Features a lightweight 20-gauge steel body combined with a robust 19-gauge steel header for longevity and strength.
- Smooth Flow Transitions: Hand-pounded seams ensure seamless airflow within the exhaust system, optimizing performance.
- Effective Sealing: Includes O-rings for a secure and effective seal on most applicable models.
- Lightweight Design: Weighs approximately 5.0 lbs, contributing to reduced overall vehicle weight.
Specifications
- Body Material: 20-gauge steel
- Header Material: 19-gauge steel
- Included Accessories: O-rings
- Approximate Weight: 5.0 lbs


