My New Truck 14 Silverado. Tuner? Exhaust?

Well I finally decided to trade my 05 silverado for a brand new ecoboost. A ford just wasn't a Chevy so I bought this one brand new about a month ago. I painted the bowties with plastidip, put on a 2.5in rough country lift, and lastly added some 20x9 Fuel Mavericks wrapped in 275-65r20 Mickey Thompson ATZ P3 tires. I am looking into getting a tune for it though. Who is doing these through mail orders right now? I dont believe Nelson is. What is the best route to go. I need to correct speedo also. Also curious to a good sounding exhaust that isnt over a couple hundred bucks.
http://i1315.photobucket.com/albums/...pstsdn7voa.jpg
http://i1315.photobucket.com/albums/...psapzrzytb.jpg

Truck looks good. Seems like everybodys trading in on the new trucks lol. Unfortunatly for me im done with GMs shitty dealerships in san anto so i done went and bought me something else lol. I havent heard of anybody messing with these trucks over the mail. I wonder if Nelsons got something for them?

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Originally Posted by RS/SS 4.8

Truck looks good. Seems like everybodys trading in on the new trucks lol. Unfortunatly for me im done with GMs shitty dealerships in san anto so i done went and bought me something else lol. I havent heard of anybody messing with these trucks over the mail. I wonder if Nelsons got something for them?

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I dont think nelson does. I think BlackBear has an autocal thing I can use though. Just was wanting to see if there were anymore options. I actually met the dealership halfway with mine in Shreveport. I bought mine from holiday Chevrolet in texas. No dealership around here wants to deal.

clean truck, i too went to a 14 back when they first started hitting the lots. Suprisingly i havent done a single mod to it yet lol. Just been putting miles on her, think im around 15k miles already

I have a 14 GMC Sierra 2 wheel drive though. So far I have only changed the exhaust. And a tonneau cover. Looking to tune, but waiting a bit 1st... don't wont to void the warranty. I believe Nelson is tuning, but not sure on mail order.