Unless you happen to own a dyno, accurately keeping track of which modifications benefit your vehicle may be a seat-of-the-pants operation. AEM is hoping to change that for people who are serious about wringing the absolute most out of their vehicle with the unfortunately-named Dyno-Shaft.
- Jonny Lieberman
- Nov 13, 2009
Heffner Performance Twin Turbo Audi R8 - click above to watch the video
- 2018 Honda Accord is sleeker, more efficient
- Mercedes X-Class pickup truck revealed
- Find and compare 2017 Models