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McLaren MP4-12C XperTune Performance Software
McLaren MP4-12C XperTune Performance Software
McLaren MP4-12C XperTune Performance Software
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McLaren MP4-12C XperTune Performance Software

Marsoni M251S
Sale price$2055.47
Pay 4 payments of $513.87 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
McLaren MP4-12C XperTune Performance SoftwareSKU: MCL. 12C. ECU McLaren MP4 12C XperTune Performance Software (2011 2014) XperTune Performance software reprograms sensor inputs air fuel ratios and boost pressure on the McLaren MP4 12C 3. 8L Twin Turbo V8 for more horsepower torque and sharper driving response. This upgrade delivers 606 whp and 496 ft lbs on average with peaks of +92 whp and +82 ft lbs at 5900 RPM while maintaining reliability and daily driveability. It fits all 2011 2014 MP4 12C
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
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4.8 ★★★★★
Based on 487 reviews
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L
Verified Purchase
LeahRR
Cuba, US
★★★★★ 4
Nice shirt, but noisy!
Fit Type: Regular Fit, Color: Navy, Size: X-Large
This is a nice crisp shirt, good styling and fit (maybe runs a bit large). I am returning it, though, because it is noisy! It reminds me of the sound of snow pants! I didn't know if that would go away after washing. Maybe if the sound doesn't bother you, it would be a solid choice.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 20, 2026
K
Verified Purchase
Kathy E
Phoenix, US
★★★★★ 5
Cute shirt
Fit Type: Regular Fit, Color: White Blue Mini Stripe, Size: Large
Well made and a great value. It has a generous cut which is good for my body shape and will work well worn without tucking it in.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 14, 2026
Q
Verified Purchase
Queen Shauna
Waukegan, US
★★★★★ 5
Finally, a shirt that looks good on large chested women
Fit Type: Regular Fit, Color: White Blue Mini Stripe, Size: Large
I have a large chest and it’s really hard for me to find button up shirts that are fitted through the waist, but also can button up all the way without having that awful gap between buttons. The shirt fits like a glove is very comfortable very well made and had a great price too. I’ll probably buy more other colors.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 2, 2026
C
Verified Purchase
Connie
Dallas, US
★★★★★ 1
Not happy don’t know what to do with the shirt
Fit Type: Regular Fit, Color: Black, Size: X-Large
I don’t like the shirt I returned it and you guys send me a replacement when I really didn’t want the shirt the material feels like this waterproof
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 26, 2026
J
Verified Purchase
Jslm2
Boise, US
★★★★★ 2
Lousy.
Fit Type: Regular Fit, Color: Light Pink, Size: Large
You should be ashamed. I received this shirt balled up and stuffed into a plastic bag. Literally. The shirt fit, but was so crumpled and nasty, that it went straight to the washer. Certainly not the first impression that Amazon Essentials wants to promote. The fabric seems nice. The fit was acceptable. The presentation was awful. I expect better. Edited to add: I like these shirts. I DON’T LIKE how they are packaged and shipped. My second shirt arrived today. It was packaged neatly in a plastic sleeve. The shipping sticker was slapped onto the plastic. No brown wrapper. Nothing. ANYONE walking past my porch could see my new shirt. Is this how you want to ship items?
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 21, 2026

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