2Bros Parts

Gnarly Exhaust Pipe 01-03 KTM 250 300 EXC MXC SX - FMF 025004

£353.18

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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.

Specifications
SKU
07-M02.FMF.GNA
Brand
FMF Exhausts
Availability
In Stock (2)

Fitments (20)

MakeModelYear
KTM250 EXC2001
KTM250 EXC2002
KTM250 EXC2003
KTM250 MXC2001
KTM250 MXC2002
KTM250 MXC2003
KTM250 SX2001
KTM250 SX2002
KTM250 XC2001
KTM250 XC2002
KTM250 XC2003
KTM300 EXC2001
KTM300 EXC2002
KTM300 EXC2003
KTM300 MXC2001
KTM300 MXC2002
KTM300 MXC2003
KTM300 XC2001
KTM300 XC2002
KTM300 XC2003
General Product Group
Exhaust Systems & Parts
General Product Type
Header Pipe
Variant Id
210887
Delivery2–4 business days
14-Day ReturnsHassle-free
Easy CheckoutCard friendly
Product details

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
Before you buy

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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

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