E-Tune Update from Authorized Cobb Protuner Migtuned - For Use With Previously Migtuned Vehicles, We Cannot Update The E-Tunes Of Other Protuners! - Comes With Full Tune Map, Eco Map, Valet Map. - Best Customer Service In The Industry. - E-Tuning Support For As Long As You Run a Migtuned E-Tune! *Must Begin E-Tuning Process within 30 Days of Ordering the E-Tune, E-Tuning Period is Limited to 30 Days After Beginning The E-Tune. Any Extensions Will Require a E-Tune Update Order!* MIGTUNED THROTTLE MAPPING WILL CREATE A MORE LINEAR THROTTLE FEEL, SMOOTHER AND MORE PREDICTABLE. SLIGHTLY MORE AGGRESSIVE FEEL AT THE SAME TIME! ($50 added during checkout for the throttle enhancement BURBLE IS CRACKLES, BANGS, AND POPS ON DECELERATION. IT IS A SEPARATE MAP THAN THE FULL TUNE! CHOICES ARE FOR HOW LOUD YOU WANT IT, SOME VIDEOS ON THE MEDIA PAGE ON THE SITE! ( $50 added during checkout for the burble add-on )