Now go read the Eurocharged sale thread and see how many "unhappy" customers there are from the over 30 that purchased it. I like how rmcdaniel12 's opinion is going to be the most honest and best one you'll get though.. LOL.
Tune has been around longer than he's been a user on this forum.
AND ANYONE that pays attention to what they are doing already knows you use your OEM MAF when upgrading the throttle body. Probably dozens of threads on that alone. Twin 3" tube "hot air" intakes w-K&N filters on the ends .. 74MM throttle body and upgraded MAF HOUSING and she runs out better than ever with no issues.

And here's a little FYI.. wife's tahoe started throwing those codes.. just before the tank internal filter-pump assy blew an aneurysm in the line between the pump and filter. No tune in the world was going to fix that issue.