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whoops sorry :goof google works tho too http://duramaxtuner.com/

dmax tuner

Tony limped his truck a few times with the edge. Hasn't limped it once with efi

I'm also in with a vote for duramaxtuner My buddy had his 03 tuned couple years ago he's acually the reason Tyler switched to efi live Brandon and tyler were both at the strip with us. bone stock...

Just had one of those replaced at the dealer. I gained a couple :goof

The edge thats in my 06 doesn't seem to change anything i've run a couple tanks on the milage tune and a couple on the stock tune and seems to get within a few tenths of a gallon different. my 04 was...