MailOrder Tuner Reviews

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John W.

Great Service will use again

99-06 Truck/SUV Email Tune | MAILORDERTUNER

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Kevin F.

Great experience, simply and easy. Got my stock 5.3 running with a cam in my LS mower. Would reach out to them again.

Mail Order Tune

Sean R.

Great company to deal with I somehow sent them a file that I couldn’t load back into my rig and they helped me out got it all squared away and redid it and didn’t charge me a dime to do very good people will use them again A+ company thanks you

Email Tune | MAILORDERTUNER

Ronald R.

i swapped a 5.3 LS out for a 6.0 LS 706 heads for 10.5 -1 compression ported heads BTR cam 202 int 202 exh lift.511 int .511 exh lobe sep 111+1 new rockers put my mail order tunes in it started right up and runs great great , torque from idle to over 5,000use this is for towing 6,000 lb could not be happier Ron Ruschman

Email Tune | MAILORDERTUNER

Jack S.

It was super easy and simple to receive the tune and send data logs and customer service was excellent

Email Tune | MAILORDERTUNER

Clay R.

Casey has my Yukon rerunning awesome! I rebuilt the 5.3, did AFM delete & cam. The HP Tuners bundle was just what I needed. The car is running so smooth now, with plenty of power. What’s even more impressive is the transmission tuning. I used to hate the 4l60, but I had no idea they could shift so clean after a tune. Very impressed.

Email Tune HPTuners Bundle | MAILORDERTUNER

Jonah R.

Was considering loading it up and taking my corvette to a local tuner . It was just so much easier to have it done by Mailorder . I’m sure there are some Hp left on the table but for half the price less headache . It is worth it

Mail Order Tune

Dakota S.

Running for 3 years now! Best tuner out there 6.0 screaming still! Don’t go to anyone else! He’s the best! 🔥

Mail Order Tune

Joe B.

Got a cam for my 2000 GMC 5.3 from TSP and I thought the truck ran okay..until I had the folks at MailOrderTune tweak it, truck runs better then I thought it ever would. Very happy with the service and turnaround.

Mail Order Tune

Tanner D.

Highly recommended company very fast response very knowledgeable good solid Tunes

Email Tune | MAILORDERTUNER

Justin B.

Filled out online form, and left a more descriptive note of engine and part specs in the box, he called me at lunch to double check and verify a couple things and I had the computer back the next day. Truck fired right up, I’m ready to drive it.

Mail Order Tune

Bill

These guys know their chit! Great to work with. Sent it in and had it back in like four days total time. We had a couple of unforseen changes in our build and they're retuning it for free. Most of my "hot rodding" dealt with carbs and no electronics past a tricked MSD setup so this stuff is new to me. They are the best help I could've found! I will be a repeat customer for other projects.

Mail Order Tune

Raymond S.

Excellent service, fast turnaround, works perfectly

99-06 Truck/SUV Mail Order Tune | MAILORDERTUNER

Joe H.

Fast turn around works great

Mail Order Tune

Angel V.

I work very good thank you very much keep up the good work

Mail Order Tune

Rafael A.

F150 pre-runner with ls 415 stroker , hitting the dunes at 6500 rpm

Mail Order Tune

Leonard F.

Sent tune information in and everything was changed to perfection with great service afterwards

Email Tune | MAILORDERTUNER

Marcelino R.

Great job with their tune......awesome customer service.....great knowledgeable people.........I love the service

98-02 F Body Email Tune | MAILORDERTUNER

Angel V.

works very well thank you very much

Mail Order Tune

Hilario E.

Excellent service great job

Email Tune | MAILORDERTUNER

Karl G.

Tune runs perfect customer service was perfect and turn around time couldn’t have been faster

Mail Order Tune

Joseph S.

thank you MR Wizard you nailed it first tune 6.0 L96 with a E78 ECM truck runs like a raped ape & mileage ant bad for the mods done you guys kick ass thank you Joe S

Email Tune | MAILORDERTUNER

Branden N.

Very polite and professional had all my tuning issues done within the same week awesome experience highly recommend!! 10 outta 10

Email Tune | MAILORDERTUNER

Matt G.

KC and the mailordertuner staff was great to deal with. The tune my car had when bought was a disaster. This was my first go with email tuning and HP tuners. They made the process simple, painless, and enjoyable. All updates were sent super quick, even on weekends. I can't recommend enough.

Email Tune | MAILORDERTUNER

Joshua S.

The service techs are extremely knowledgeable and helpful. They did my program in less than a day! The tune is spot on. I definitely recommend them.

07-13 Truck/SUV Mail Order Tune | MAILORDERTUNER

Jacob G.

Started right up and tune seems perfect.

99-06 Truck/SUV Mail Order Tune | MAILORDERTUNER

Rosendo R.

Great service, very fast turn around. My C6 is running better than ever.

Email Tune | MAILORDERTUNER

Antonio R.

Installed the Ecu and it fired right up. Quick delivery also. Would recommend to anyone doing a LS swap.

Mail Order Tune

Reginald C.

Great job on the tune!!!!! Run better & faster.....

07-13 Truck/SUV Mail Order Tune | MAILORDERTUNER

Josef W.

So far, so good! Every response has been quick and simple to understand. Got my tune loaded and the car runs worlds better. Thanks for the professionalism!

Email Tune | MAILORDERTUNER

Rodney S.

Tune work great

Email Tune | MAILORDERTUNER

Mike Allen A.

Very happy with the support an fast response. Have used many times all been a++

Email Tune | MAILORDERTUNER

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Brian M.

Casey has been very helpful with my tuning. After learning trying to tune myself, it was great to find Mail Order Tuners.

Mail Order Tune Email Retunes

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Carlos J.

Casey is super super professional And lighting fast on tuning, I will recommend to anyone. Thank you

98-02 F Body LS1/LS6 Mail Order Tune | MAILORDERTUNER

Timothy G.

It didn't take no time to get it back and my truck fired right up and runs great! I would definitely use them again.

Mail Order Tune

Troy G.

Great service and fast turn around. Haven't finished the swap yet. But will review after I finish it soon to see how it runs. Thanks

ECM mismatch

Joseph G.

Tuners was just what I needed to get my build rolling

99-06 Truck/SUV Mail Order Tune | MAILORDERTUNER

Lenny B.

Great experience from start to finish couldn’t ask for anything better thank you mail order tuners

Mail Order Tune

Cory A.

Very pleased, the tune worked great from the start for my LS swap with a cam! Thanks!

Email Tune | MAILORDERTUNER

Kevin L.

First tune worked great to start was very fast at getting back with touch ups. Will be using again!

Email Tune | MAILORDERTUNER

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