2004 Arctic Cat 400 Only

Whether you are a weekend warrior trail rider or an all terrain racer, the Arctic Cat 400 HMF Exhaust system puts out a tremendous amount of horsepower. You can expect a 9% horsepower gain with our slip on system with the proper, recommended jetting.

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Exhaust Series We Recommend:

Penland Pro Series The Penland has the same core as the Performance Series, but features the removable TRM that allows quads to hook-up better in rough conditions. Learn More

Other Exhaust Series Available:

Performance Series

The HMF Performance Series has a specially designed, unrestricted core that allows the exhaust to increase power evenly throughout the entire power curve. It also features the signature HMF sound with industry-leading end cap and color options, giving you a completely custom look. Learn More

Each HMF Exhaust:

Inlcudes a USFS Approved Spark Arrester. Includes a 2 Year Limited Manufacturer�s Warranty. Is made of high quality Aluminum, Stainless Steel, or Carbon Kevlar. Packed with high performance glass wool packing. Includes Installation Instructions. Manufactured in the U.S.A.

Don't Forget:

Whenever you add an after-market exhaust system to your machine, tuning your carburetor is, in most cases, an absolute necessity. The proper jets and EFI settings are extremely important for the performance and lifespan of your machine. Tuning Kits are available to ensure your machine runs at it's top performance and your HMF Warranty remains valid.

Resources for 400 (04)

• Installation Instructions