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ajw2685
10-31-2011, 07:15 PM
I am looking for a HMF silencer/muffler for my 2012 400X. A parts website is showing a "sport series" but HMF's website shows a "performance series." Both are brushed/silver and appear to be the same.

I have two questions:

1. Hardly any of the parts websites show parts for my 2012 yet. Can I buy one that is listed for a 2009-2011?

2. Is there a difference between the "sport" and "performance series"?

Honda.rider5871
10-31-2011, 07:34 PM
Any year slip on and/or full system for a 400 ex should work, as the only changes made is the plastic and reverse was added in 05. Correct me if im wrong , but the sport and performance series HMF pipes should be the same thing.

CJM
10-31-2011, 07:58 PM
Every part but the plastics is pretty much the same from the start of these things. Sure the plastics are different, the CDI is different from 05-07 (not sure if 08+ uses same cdi) and 05+ has reverse-but basically every single part will fit your EX. Its the same frame from day 1, they never changed a thing.

2. If the muffler looks the same, it is the same. HMF is an excellent pipe.

ajw2685
10-31-2011, 08:28 PM
Thanks!

Time to order a pipe, jets and new air filter. Winter is close and that means plenty of time to save money and mod it for the spring.

CJM
10-31-2011, 08:34 PM
Whatever you do, make sure you get genuine keihin jets for the carb. These carbs do not work well with dynojet junk.