4-stroke Offroad

4-stroke Offroad

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Akrapovič "Racing Line"

  • Increased tightening torque
  • Increased performance
  • More usable speed range
  • More balanced engine break (drag torque)
  • Better power delivery
  • Improved handling overall due to finer dosing capacity on the throttle grip
  • Sensitive response
  • Rich sound
  • Increased grip due to refined running of the engine
  • Manifold routing optimally adapted to the production engine
  • Stainless steel header
  • Silencer housing made of high-grade titanium
  • Complies with current FIM noise regulations
  • Complies with current AMA noise regulations

FMF Megabomb header

  • Manifold routing optimally adapted to the production engine
  • Resonator chamber for optimum torque distribution and noise reduction
  • Tangible performance boost over the entire engine speed range
  • Highest quality workmanship

Akrapovič "Slip-on Line"

  • Significantly longer durability
  • Made from high grade titanium
  • Permanently welded brackets
  • Significantly more torque
  • Significantly more performance
  • Extremely durable
  • Complies with FIM regulations
  • Profiled surface of the outer sleeve
  • Embossed Akrapovič logo

FMF Factory 4.1 RCT silencer

  • Silencer housing made of high-grade titanium
  • Carbon silencer cap
  • Mounting also possible with original header
  • Significantly more torque
  • Substantial weight saving
  • Noticeable performance enhancement
  • Blue anodised outer sleeve
In connection with an FMF Megabomb header even further increase in rideability and power output can be achieved:

Akrapovič "Evolution Line"

  • Manifold routing optimally adapted to the production engine
  • Uncompromising race look
  • Additional expansion chamber for smooth power delivery
  • Manufactured entirely from high-grade titanium
  • Complies with current FIM noise regulations
  • Complies with current AMA noise regulations
  • Significantly more torque
  • Significantly more performance
  • Substantial weight saving
  • Akrapovič logo sticker on silencer

FMF Megabomb header

  • Manifold routing optimally adapted to the production engine
  • Resonator chamber for optimum torque distribution and noise reduction
  • Tangible performance boost over the entire engine speed range
  • Highest quality workmanship

Akrapovič "Evolution Line"

  • Manifold routing optimally adapted to the production engine
  • Uncompromising race look
  • Additional expansion chamber for smooth power delivery
  • Manufactured entirely from high-grade titanium
  • Complies with current FIM noise regulations
  • Complies with current AMA noise regulations
  • Significantly more torque
  • Significantly more performance
  • Substantial weight saving
  • Akrapovič logo sticker on silencer

Akrapovič "Racing Line"

  • Increased tightening torque
  • Increased performance
  • More usable speed range
  • More balanced engine break (drag torque)
  • Better power delivery
  • Improved handling overall due to finer dosing capacity on the throttle grip
  • Sensitive response
  • Rich sound
  • Increased grip due to refined running of the engine
  • Manifold routing optimally adapted to the production engine
  • Stainless steel header
  • Silencer housing made of high-grade titanium
  • Complies with current FIM noise regulations
  • Complies with current AMA noise regulations

FMF Megabomb header

  • Manifold routing optimally adapted to the production engine
  • Resonator chamber for optimum torque distribution and noise reduction
  • Tangible performance boost over the entire engine speed range
  • Highest quality workmanship

FMF Megabomb header

  • Manifold routing optimally adapted to the production engine
  • Resonator chamber for optimum torque distribution and noise reduction
  • Tangible performance boost over the entire engine speed range
  • Highest quality workmanship
New mapping file required!

Akrapovič "Slip-on Line"

  • Made from high grade titanium
  • Uncompromising race look
  • Permanently welded brackets
  • Complies with current FIM noise regulations
  • Significantly more torque
  • Significantly more performance
  • Substantial weight saving
  • Akrapovič logo sticker on silencer