E46Fanatics - View Single Post - How to eliminate rasp on 330 (with headers & racing cats installed)
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Old 11-12-2012, 04:39 PM   #12
Registered User
Join Date: Aug 2012
Location: Christiansburg, VA
Posts: 66
My Ride: 2002 E46 330i
Wrap your headers with DEI titanium/LR exhaust wrap, which is what I did, and my 330i is not raspy whatsoever. I do still have my stock exhaust BUT I have seen plenty of videos and cars in person that do not have the headers wrapped and there is a definite difference. I read that wrapping would help with rasp/noise (not to mention HEAT!) and it truly did. Before anyone jumps down my throat and objects to wrap don't be a retard and do a little research and don't regurgitate stupid peoples opinions or give your own. I will go ahead and address the idea of moisture being a problem and say that's ridiculous; if you are worried about it use DEI's high-temp silicone paint which acts as a moisture barrier and protects against corrosion.
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