More exhaust noise middle box delete

04-17-2015, 08:29 AM	#1
DUGIE E91 New Member 3 Rep 25 Posts Drives: E91 335i Tourer 2006 Join Date: Apr 2015 Location: Sussex, UK iTrader: (0)	More exhaust noise middle box delete I know there are other threads on this but wanted some direct answers. I am toying with the idea of a middle box delete. When I googled it most of the info was on this site, but with people talking about putting X pipes in and dps (down pipes I assume) and resonators which im assuming are the US term for middle box? Basically what do I need to remove / modify to get a nice strait 6 howl and some nice pops on the down shifts, which idealy dosen't drone on the motorway? __________________ E91 335i M Sport Tourer 2006 E30 316i with M50 2.5L strockered to 2.8L with full E30 325i sport trans and LSD 1989 (Currently a working progress) (OO==[][]==OO)
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