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bhb399mm · 02-06-2005, 03:09 PM

GIAC has a good chip for the 4.2 which is good for about 15hp. you're year A6 has the hidden exhaust tips meaning getting an exhaust would call for a new rear bumper.. probably off an 02-04 A6 4.2

02-06-2005, 03:09 PM	#2 (permalink)
bhb399mm Veteran Join Date: Oct 2004 Posts: 1,243 Gallery: (0)	GIAC has a good chip for the 4.2 which is good for about 15hp. you're year A6 has the hidden exhaust tips meaning getting an exhaust would call for a new rear bumper.. probably off an 02-04 A6 4.2