Contains everything you need for your L5P,  Includes a RTD4, 8 credits, can bus connector and your choice of a race pipe or 5" full exhaust.   If you wish to remove your downpipe DOC and EGR they can be added as options in the drop down menu.  Single tune only,  HP levels from 0hp to 180hp are available.  
 
You must send your E42 ECM to Hp tuners prior to be unlocked:
https://www.hptuners.com/product/gm-e42-ecm-service-l5p-global-b/
 
We HIGHLY recommend updating the truck with the latest GM software before sending it for unlock. Not doing so may result in delays!
 
Price includes shipping in the USA and Canada