Are you using the header mount which is attached to the back of the block? It is the mount which is right before the collector. My car was missing the bracket ; I purchased it used. I have a DC 4-1 with the 2.5". I was told that not having this bracket puts strain on the header studs. Also, will the stock bracket work with the DC or do you have to get a bracket for the JDM Honda 4-1?

Thanks

 

i didnt even have the bracket connected on the 4-1 jdm and no problems there , but im glad that the Toda header brings it . Its always good to have options

 

My Mugen Headers have it, but i didnt even think of using it. It works jsut fine with out any problems.

 

You don't really need it. It does put more strain but most of the headers are light weight enough.