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Polaris® Sportsman® 550 X2

The Polaris Sportsman 550 X2 is available as a Slip-On system in the Titan and Swamp (with snorkel) exhaust. The Slip-On System picks up 3-4 more horse power throughout the power curve, and adds an incredible sound to the machine.  The Titan/Swamp-Quiet exhausts are roughly 1-2dB louder than stock, while the Titan/Swamp-XL are 4-6dB.

Exhaust Fits:
(10) Sportsman 550 X2
(06-09) Sportsman 850 X2

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

Polaris® Sportsman® 550 X2 ATV Accessories

Tuning

Running this machine with our exhaust without being properly tuned (Optimizer or equivalent) will undoubtedly lead to problems as they are very lean even in completely stock trim.

Mode 1 Mode 2 Mode 3 Mode 4 Mode 5 Mode 6
            
4.0 4.0 4.0 4.0 4.0 0.0

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.

Optimizer Help

Click here to watch our HMF Optimizer tuning and installation video.

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