Mar 7, 2017 · B8.5 A4 on APR's tune (if you have the flex fuel motor) on e85 should be noticeably quicker than a stock S4. A4 weighs a little less, much more torque, only 20hp less I believe. Sent from my iPhone using Audizine. Atuned A4 even on E 85 will still get smacked by a stock S4.
Jul 6, 2009 · I was considering it myself and was not under that impression. A4 (B8 Platform) Discussion - Rear Diffuser for non-sline 2.0 bumper - I love the look of the S-line rear diffuser, but know it will not fit on my standard bumper. I have seen the factory offering and its ok, but would rather have something more like the S-line. yoSYRW.