Need a good tune for 11 silverado.

[snappy85]

I am a newbie to this forum and to hp tuners as I just purchased hp tuners this week. I had a diablosport intune on 11 5.3 silverado. It has long tubes and full exhaust along with a airraid intake tube and AFE pro dry air filter. It NEVER shifted right with the diablo. It would shift slow and BANG the gears. It sucked. I have been looking at a few different tunes I found on the forum to get some ideas but I was wondering if someone had a tried and true tune I could try. Thanks.

[04blackgmc]

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[JnJSpdShop]

I am a newbie to this forum and to hp tuners as I just purchased hp tuners this week. I had a diablosport intune on 11 5.3 silverado. It has long tubes and full exhaust along with a airraid intake tube and AFE pro dry air filter. It NEVER shifted right with the diablo. It would shift slow and BANG the gears. It sucked. I have been looking at a few different tunes I found on the forum to get some ideas but I was wondering if someone had a tried and true tune I could try. Thanks.

Post your file up here and someone will help you. Pretty much just start with the basics. Do you still have your intune?