Originally Posted by awdorgtfo
Is this on a 06-07 2.5i?
'99 rs w/ maf and 2 filters intact.
a 2.5i was dyno'd on same day w. a cat-back - it bettered the 2.5i car by 14 whp and 20 wtq.
2.5i had afr's in the 12.2-12.5 range vs. 99 rs afr's at a pretty solid (and terrible) 11.3.