2015-17 Mustang GT Ford Performance Stage 2 Power Pack (M-9603-M8A) - Review & Dyno

Improve performance and horsepower in your 2015-2017 Mustang GT with this Ford Performance Cold Air and Calibration Power Pack 2! These calibrations feature exclusive Ford proprietary software and engineering backed by a Ford Performance warranty. This Power Pack includes a GT350 cold air intake with 87mm throttle body and Ford calibrator. This kit increases performance by 21hp and 24 lbs/ft torque peak gains over stock to the flywheel.

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Stock Dyno: 395HP/370TQ
- Ford Performance GT350 Sport Catback Exhaust
- Manual MT-82 (5th gear pull at 1:1)
- 3.73 Gears
- 93 Octane
- 19" Wheels

After Dyno: 421HP/399TQ
- Ford Performance Stage 2 Power Pack
- Ford Performance GT350 Sport Catback Exhaust
- Manual MT-82 (5th gear pull at 1:1)
- 3.73 Gears
- 93 Octane
- 19" Wheels

Fitment: 2015-2017 Mustang GT

Item # M9603M8A
MPN # M-9603-M8A

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#LMR #Mustang #FordPerformance
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[JuanLuna-bdkn]

Just installed it and I'm excited to say I'm completely amazed at what this tune can do! The shifts are faster and smoother, and the sound, oh the sound it gives my car and even deeper tone. It's just amazing I love it!

[mchulst]

Just installed this kit from LMR today. Only took about 2 hours to install the hardware and about 30 minutes to tune with the procal. The clearance between the larger throttle body and all the vacuum lines/wire harnesses in that area is very tight. I also have the ford performance oil separator and it is tight as well. It contacts the throttle body wire connection. None of it looks like it will be an issue just a slight pain when installing. The kit looks great and I just got back from the first drive and the difference is amazing. I have had CAIs with BAMA tunes on my last two 5.0's and this is so much better. It feels like I'm in a GT350. I'm impressed. Best $700 bucks spent yet. I will answer any questions about my install experience if anyone has any questions before they buy. Just still can't get over it. :)

[Jugglenaught]

I really want this! I got a 2017 GT PP, this and new exhaust is on the list for next summer.

[kevinsdb]

Hurry up and release the stage 2 already Ford. I want my 50 state legal extra horsepower!

[thomaslee]

I installed stage 2 power pack at GTR in Ontario, Ca. Pls believe me! Everyone who owns 15 16 17 mustang must do this! the car's character changed so drastically I couldn't believe it at first. mine is 6 speed manual, and the car's character at 1st, 2nd and 3rd gear changed nicely with ample and easy power. it is truly worth the cost. pls do this!

[kingkrushkiller]

Literally ordered from LMR they had the best price, scheduled Ford installation, charged 2hrs labor at 130.00hr, maintain factory warranty. Suggestion prior to going to ford create a Ford racing login and password, write it down on the programing sheet for the tech, he was very appreciative of me taking that extra step. I am not kidding this is the best upgrade you can do to your coyote! I literally have 320 miles on my car and this is one of the few first upgrades, next week 4.09 gears Steeda is installing. this is my 3rd mustang 2001, 2011 and my new 2017 cant stand the new lexus front bumper and fog lights and ford Taurus hood, that's another discussion entirely lol you guys want the HP for a god awful looking Lexus / Taurus hybrid help yourself ill pass. back to the topic at hand, I immediately heard the difference in the exhaust note and burping/popping which sounds great, I have strait pipe from the cats back. The performance and overall throttle response and feel of the car is remarkable its literally like driving a different car! I have zero regret or hesitation about recommending this upgrade to anyone. Also the Procal tool will auto correct my new gears next week which is nice! little tip if you lose your procal tool from what I was told your SOL and in deep water this thing gets locked and registered to your motor once programmed. I am so happy with this upgrade words cant even express, LMR shipped it perfectly the box was in flawless condition and the packaging was exceptional! the box will not no matter how you swing it fit into your car to take it anywhere just another FYI unless you want to scratch your interior. its huge.Im not racing my car, I simply wanted my car tuned to higher quality fuel since I only put 93 octane and why not have a better intake and remove all that nonsense cluttering the engine compartment, ie - sound tube etc. under the hood it looks pretty only thing I'm definitely doing is upgrading to an air raid gt350 blue filter just cuase it seems a lot higher quality I'm not a fan of paper filters in general period.

[daffy_]

Just had my 2017 GT ( Australian Spec ) Mustang get induction, HP tune and 3 inch full exhaust and my power and torque curves are so much smoother than any I have seen on any of these tuner videos. I mean smooth, no lumps or bumps!

[tattude]

The tune is the big reason for these gains.... very nice!
93oct gets a few more ponys :-)

[mred]

Just bought a new Mustang, love it . Have a 03 Fire Red 03 Mustang GT 5 speed, 5, 500 miles, "NEVER" raced been in rain or snow, just like new, sell or trade for Ford truck .. 71 year young Mustang lover !!!!

[SHADOWBLACKs]

I just purchased this PP2, its nasty, I love it... car ran a 12.9 at 117 mph 2.5 60 foot... with street tires on the track aps....6 speed....pops out the back and nasty rumble from the aircleaner... It wants octane big time though...

[brandonwebb]

Nice! The 2018 redesign should come from the factor with those mods!

[futurec]

Wow! I have Stage 1 and Stage 2 is even more amazing 🔥

[DaRealSonic]

Nice review bro was thinking about getting this power pack, subscribed

[douglasbaker]

That no lift shift is what I have heard causes the forks breaking in the tranny.

[scottnewellguitar]

Love to see an updated one for the M-9603-M8B but I assume it's pretty much the same deal.

[v-performance]

They upped the rev limiter with this tune to approx 7200. Stage 3 will have peak power around 7500 rpm so you can expect the tune to have approx 7800rpm. 8250 rpm GT350 rev limit is not that far away...

[amjdmurad]

we need a ford performance stage 3 video

[brandonleeiacocca]

Thank you for the video. It helped a ton for my install over this weekend. I'm super happy on the results (butt dyno), but I have no idea about the actual gains yet since I have not put my car on a dyno just yet. However, there is minor pinging on 3rd/4th gear if I accelerate somewhat hard (60%-70% throttle) at 4000 rpm range. I'll just let the computer relearn a bit and see if this disappears after some time. I know I can use the ProCal to set the Octane Adjust to "Y, : but I hear that reduces any power gains.

[marcasswellbmd]

I've been thinking about going with this kit. I'm not trying to mess my car up though. I get nervous about messing with the ECU and cutting stock lines for a T they never really explain why and what it's for? I'll try and find a Ford Dealer to do this if I can.. What's easy to other PPL is Nerve racking to other's.. I don't trust myself to not drop a bolt and lose it or mess something up.. plus I am the second owner, I bought my 2017 8 months ago with 8, 909 miles and from day one I have been able to rev out to 7500 RPM if I want.. I don't I usually short shift but if I am pushing the car I will shift at 7200rpm. I hear about other people getting power lose or lock out at about 7000 rpm but I don't which is causing me to think it may have already been tuned? Unless a 17 manual performance pack can be rev'ed passed 7200rpm stock? I've had it 8 months now and it's a weekend car so I am still learning about it??

[Sick_ridz]

Just make sure when program says “remove module power” you turn off the car and then wait for the program to say “apply module power” power the car back on then wait for the program to say “Program successfully installed” in green. You can remove everything at that point and start the car. Yeah there’s no instructions for that and I jacked that up the first time. The program takes about 10 mins to install