Originally Posted by ByThaBay

I can tune both the a2w and the a2a on ecutek and guarantee that you will pass smog in CA and the car will pull hard and drive perfectly as a daily. I recently had a customer drive his a2w G37 to death valley this summer and he had zero issues, over 40k miles on the kit over the past 5 years, all hard miles full of redline pulls. With the a2a you would fail visual of course.