2007 A6 4.2 mods?
#4
RE: 2007 A6 4.2 mods?
This will get your 4.2 an extra 100 hp.
http://www.mtm-online.de/en/index.ph...p;FZID=A6C6246
http://www.mtm-online.de/en/index.ph...p;FZID=A6C6246
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