Send an email to eurocharged and they will potentially give you a deal on the NA tune. Did mine about a month ago for $250. She pulls super hard now in 3rd and 4th gear. Dramatic improvement all around. Feels like she's running 250hp with the throttle body mod, MB engine cover, and eurocharged. Test drove a 2008 V6 Audi A4 the other day and my crossfire feels significantly quicker. Much heavier car of course, but still.