SKU: 45456201750

DiabloSport 8400 inTune i3 Performance Programmer 3rd Generation 50-State Legal

$226.35 $251.50
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Ships within 48 hours · Estimated delivery Aug 11 - Aug 16

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Description

DiabloSport 8400 inTune i3 Performance Programmer 3rd Generation 50-State LegalDiabloSport's 3rd generation inTune, the "i3", brings the same DiabloSport's 3rd generation inTune, the "i3", brings the same the brand as a "must have" for performance enthusiasts. The inTune i3, while designed to keep drivers equipped with added horsepower and torque, is also available with 50 state certification. Now performance and compliance are bundled to deliver more for your car, SUV, or truck paired with assurance knowing you are covered at

DiabloSport's 3rd generation inTune, the "i3", brings the same DiabloSport's 3rd generation inTune, the "i3", brings the same the brand as a "must-have" for performance enthusiasts. The inTune i3, while designed to keep drivers equipped with added horsepower and torque, is also available with 50 state certification. Now performance and compliance are bundled to deliver more for your car, SUV, or truck paired with assurance knowing you are covered at your local smog or emissions center. 50 State CARB (California Air Resources Board) certification is critical for vehicle owners that drive daily and recreationally, and not just in California! DiabloSport has made the investment in time and resources to keep your vehicle in compliance without sacrificing any power or cutting corners.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
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]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 45456201750

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4.5 ★★★★★
Based on 17 reviews
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Product Reviews
D
Verified Purchase
DuLCe
Chelsea, US
★★★★★ 5
Absolutely perfect
Color: Pink, Size: 23.8''D x 22.3''W*38.4''H
Love the color and it’s very comfortable. I can also use an additional back rest when needed. It’s small enough for my limited work space, but large enough to accommodate my height requirements. It was quite easy to assemble, as I frequently put furniture together. I’ve had it for about a month and I’m hoping that it lasts a good while.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 15, 2026
A
Verified Purchase
astfgl
Belleville, US
★★★★★ 5
Good, cheap, small.
Color: Black, Size: 21.7''D x 21.7''W*38.2''H
The quality is better than expected for the price. Seat cushion is firm but not overly hard, wheels roll nicely, piston goes up and down smoothly, and assembly is quick and easy. The one major caveat is that it's quite small. If the user is going to be maybe 5'4 or less, it'll work (this was for a child, so it turned out great). But even on a 5'6 user, the seat is rather shallow (front to back) and the armrests are so low that your elbows won't reach unless you have freakishly long arms. If you're after a cheap office chair for brief adult use, or for kids, this is perfect. I don't know how they turn a profit given that it's a fully functional office chair, shipped from China to your doorstep, for only $30. However, if you're of average height or bigger, it's probably going to be too small for you.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 27, 2026
J
Verified Purchase
Jose Gabriel
Lexington, US
★★★★★ 5
Affordable great product
Color: Black, Size: 21.7''D x 21.7''W*38.2''H
Easy to assemble and comfortable
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Reviewed in the United States on June 4, 2026
A
Verified Purchase
Amazon Customer
Lowell, US
★★★★★ 1
I regret
Color: Black, Size: 21.7''D x 21.7''W*38.2''H
A very uncomfortable chair that I owned for less than a month. The seat was broken and the particle board appeared old and reused, it was an oddly painted piece of material. It looked like someone ripped down the wall of a shack and made it the chair seat base. The seat was unstable due to the large crack throughout the entire piece of board. I am not sure how it could be returned since it is near impossible to remove the seat from the base once it is assembled. A terrible purchase that I regret. I know it is low cost, but I would suggest spending slightly more for another chair. I had to order a new chair that was only slightly more expensive so I could sit down.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 12, 2026
B
Verified Purchase
BobbieAnn
Los Angeles, US
★★★★★ 5
Wonderful product
Color: Brown, Number of Items: 1, Color: Brown, Number of Items: 1
This chair offers good lumbar support and a well-padded seat. It has a very nice and smooth rocking motion, you can loosen the tight/loose knob for reclining, and it is very comfortable to sit in while working on the computer or relaxing to watch TV. The back of the chair hits just above my neck, so the back of my head rests comfortably on the top of the chair. The color, brown, is exactly what I expected and looks professional. The height adjustment works well, it sits higher than my old chair, and I like that. It seems sturdy for the 300-pound weight recommended. I got it on Prime Day, so it was a good value for the money. It came packed well and quicker than expected. The pictures are a comparison to my 20-year-old office chair. Assembling the chair was easy, however, be sure to attach the bottom part of the chair with the tight/loose knob facing the front of the chair. It's not clearly marked on the instructions. When it came time to put the back of the chair on it would be good to have another person to hold the chair back for you to align the chair arm holes and screw in, then you should be OK but I did discover that if I had attached the arms to the back of the chair first, it would be so much easier to align them for attachment. The wheels glide very easily and will take you across the room after one push. It swivels at 360 degrees easily, almost making me dizzy. I am writing this review the same day I got the chair so I will update if I run into any issues. Otherwise, I recommend this chair.
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Reviewed in the United States on July 17, 2025

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