Just placed an order for this, after reading up on the Cobb traction control I am very excited to see how it works. Also, the exhaust crackles are optional but unlike previous versions this one doesn't inject additional fuel, so i.e. no downpipe or exhaust issues.
http://www.stratifiedauto.com/index.php?main_page=product_info&cPath=117_123&products_id=298
http://www.stratifiedauto.com/index.php?main_page=product_info&cPath=117_123&products_id=298