Chip A6
Keller is exactly right - I have a 1999 A6 and was all Gung-Ho on getting a chip - but after I researched it - the best chip I found offered 11 HP increase(99% of the others offered only 8 to 9 HP) and around 4 to 6 MPG increase - not worth the $400 pricetag they were asking.
Thanks,
Mayor



