I recently got a 2013 3.6 ATS and have been having a great time driving it. I've been reading a few forum posts and it looks like a lot of people are doing some pretty easy modifications to get a little better performance out of the car. I'm not a mechanic by any means, but can do a lot of basic things my self. I've read a lot about getting a good air intake system and tune. Has anyone done either or both that they can recommend? Are there any other options that would help accelerating at high speeds (freeway driving) and make for an overall better/more fun driving experience?
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