Gnarly Exhaust Pipe 01-03 KTM 250 300 EXC MXC SX - FMF 025004
FMF Gnarly 025004 exhaust pipe engineered for serious off-road riders, delivering tractor-like torque and boosted lower RPM horsepower. Built from tough 18-gauge steel with signature nickel plating for durability. Enhances bottom and mid-range performance, ideal for demanding enduro and trail applications. Features include aggressive torque increase, 18-gauge steel construction, nickel plating for corrosion resistance, and included O-rings for leak-free installation. Developed to add 4-stroke-like torque to 2-stroke engines. Item ID: 025004. Type: Expansion chamber pipe. Weight: 5.6 lbs. Material: 18-gauge steel with nickel plating. Carb Compliant: No.
- SKU
- 07-M02.FMF.GNA
- Brand
- FMF Exhausts
- Availability
- In Stock (2)
FULL DESCRIPTION
FMF Gnarly Exhaust Pipe
Engineered for serious off-road riders, the FMF Gnarly exhaust pipe delivers increased torque and horsepower in the lower RPM range, helping you power through challenging terrain. Built tough from 18-gauge steel and finished with signature nickel plating, this durable expansion chamber excels in harsh environments. Designed for late-model 200cc to 500cc machines, it enhances bottom and mid-range performance, making it ideal for demanding enduro and trail applications.
Key Features
- Aggressively increases torque and bottom to mid-range power for robust off-road performance
- Super strong 18-gauge steel construction for superior durability in the toughest conditions
- Signature nickel plating provides corrosion resistance and iconic FMF look
- O-rings included for a secure, leak-free installation
- Specifically developed to add 4-stroke-like torque to powerful 2-stroke engines
Specifications
- Item ID: 025004
- Type: Expansion chamber pipe
- Weight: 5.6 lbs
- Material: 18-gauge steel with nickel plating
- Includes O-rings
- Carb Compliant: No


