I got a new cat back exhaust system, just a regular magnaflow universal muffler, and a new pipe to the catalytic converter.. i guess.. haha I have the V6 Passat and the computer tells me that i'm getting 21 mpg, but i'm at half a tank, and i filled up three days ago... haven't really been driving that much.
do you know of any reason causing this problem?
do you know of any reason causing this problem?
