09 to 2012 headers

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#11

07-01-2012, 10:25 PM

Iceman24

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Armstronges; yes 09 header will work on 12 bike, if you plan to plug the O2 bungs (15mm plugs @ NAPA).

Oldhippie; you tell me this isn't restrictive...

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#12

07-02-2012, 12:10 AM

Harleydaddy

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Yep, gotta agree with ya Iceman! That damn cat is extremely restrictive! I gutted mine out, and noticed an IMMEDIATE difference. For those that don't think so...gut it and you'll see! Best mod I've done to my bike. So glad I did it!

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#13

07-02-2012, 12:51 AM

roadkil1995

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Quote:

Originally Posted by Wally

The problem you'll have is that the size of the O2 sensor is smaller on the 09' than on 10' and later. It can be done, but you'll either have to drill and re-weld larger bungs on the 09' pipe or change the sensors on the newer bike. This is not recommended.

Isnt it the other way around?

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