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Arctic Cat DVX 400 Exhaust | HMF Performance Series

  • Arctic Cat DVX 400 Exhaust | HMF Performance Series
  • Arctic Cat DVX 400 Exhaust | HMF Performance Series
  • Arctic Cat DVX 400 Exhaust | HMF Performance Series
  • Arctic Cat DVX 400 Exhaust | HMF Performance Series
  • Arctic Cat DVX 400 Exhaust | HMF Performance Series
  • Arctic Cat DVX 400 Exhaust | HMF Performance Series
  • Arctic Cat DVX 400 Exhaust | HMF Blackout
  • Suzuki LT-Z400 - Exhausts are Identical
  • Arctic Cat DVX 400 Exhaust | Competition Slip On
  • Suzuki LT-Z400 - Exhausts are Identical
  • Suzuki LT-Z400 - Exhausts are Identical
  • Suzuki LT-Z400 - Exhausts are Identical

Arctic Cat® DVX 400

The Arctic Cat DVX 400 is available as a Slip-On or Full System in the Performance and Competition exhaust. The Performance Series Slip-on system picks up roughly 10-15% more horse power and torque throughout the power curve. The HMF system weighs substantially less than the stock muffler, so you'll see an overall weight drop. The Performance exhaust will increase sound levels approximately 4-6 decibels above the stock muffler, but the Competition Inserts and HMF Quiet Core insert can lower that 2-4dB. 

Exhaust Fits:
(03-08) Arctic Cat DVX 400
(03-14) Suzuki LT-Z 400
(04-06) Kawasaki KFX 400

Fuel tuning is required learn more

Fuel Tuning is absolutely required when installing an HMF Exhaust on this machine. Failure to tune the engine can cause excessive damage to the exhaust system and engine, while voiding the warranty on your exhaust and possibly on your machine. (check with local dealer). See the tuning settings below for the proper fuel tuning solution on your machine.

Exhaust Systems

Arctic Cat® DVX 400 ATV Accessories

Tuning

Recommended Tuning
Slip On - 145 Mikuni Small Main Jet
Full System - 150 Mikuni Small Main Jet 

Removing the Air Box Lid or aftermarket filter may require 170-175 Mikuni Small Main Jet 

HMF Basic Jet Kit Includes
140, 145, 150, 155, 165, 170, 175 Mikuni Small Main Jet

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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