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Arctic Cat® 400

The Arctic Cat 400 is available as a Slip-On exhaust system in the Performance, Titan and Swamp Series.  Depending on the exhaust series, the slip-on system picks up 10-15% more horse power and torque throughout the power curve, adds a deep aggressive tone, and weighs substantially less that the stock exhaust.

Also Fits:

  • (06-07) 400 FIS Auto & Manual
  • (08) 400 4x4 Auto & Manual
  • (06) 400 TBX
  • (06) 400 TRV
  • (08-13) 400 TRV

Fuel tuning is not typically required learn more

Typically, fuel tuning is not required when installing an HMF Exhaust on this machine. However, other modifications to the machine may require the need for fuel tuning to ensure the machine runs properly, and there is no damage to the exhaust system. See the tuning settings below for possible tuning solutions or Contact Us for more information.

Exhaust Systems

Arctic Cat® 400 ATV Accessories

Tuning

Recommended Tuning
135 Keihin Round Main Jet, 45 Pilot Jet (N424-25)

HMF Basic Jet Kit Includes
130, 135, 140 Keihin Round Main Jet, 45 Pilot Jet (N424-25)

Low Speed Fuel

Going down on the number scale will reduce low speed fuel. Going up on the number scale will increase low speed fuel.

Mid Range Fuel

Going down on the number scale will reduce mid range fuel. Going up on the number scale will increase mid range fuel.

High End Fuel

Going down on the number scale will reduce high end fuel. Going up on the number scale will increase high end fuel.

Green Lower Switch Point

Going down on the number scale will turn green mode on earlier. Going up on the number scale will turn green mode on later. These modes typically will not need adjusted from their base setting.

Yellow Lower Switch Point

Going down on the number scale will turn yellow mode on earlier. Going up on the number scale will turn yellow mode on later. These modes typically will not need adjusted from their base setting.

Red Lower Switch Point

Going down on the number scale will turn red mode on earlier. Going up on the number scale will turn red mode on later. These modes typically will not need adjusted from their base setting.

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