🚀 Unlock Performance: Experience the 3571-JL Superchips Flashcal Review

does everything I want, great support. Updates are easy to install and don't cause any problems. I had to call support twice just to ask questions and both times I had fantastic service.

A great tool if you have a lift or other major modifications. Installing a bypass is not difficult, just excruciating, since it is difficult to work under the steering wheel. Definitely worth your money!

I have a 2018 Jeep JL Rubicon and recently changed my tires to 35s. I immediately noticed my gas mileage dropping and my jeep getting sluggish. After resizing tires with Flashcal, I immediately noticed how shift points changed, acceleration increased and fuel consumption increased! I also appreciate the seller's excellent customer service. I received an email right away to ensure the item would arrive on time and to let them know if I had any questions or issues with the product.

First off, the shipping is insanely fast. I didn't expect to receive my order 2 days before the estimated arrival date. Secondly, the product looks brand new in its original packaging, all sealed in the bag and with no sigh of having been used before. Thirdly, I bought it mainly to calibrate a tire speedometer and this device really did its job, how accurate is it? I don't know because it's impossible to match my Jeep's current speed with a GSP speed tracker and I also don't know how accurate…

I've had mini superchip programmers on my jeeps in the past and I really like their tuning products. As for the 2.0 JL, I wouldn't waste your money though. The only useful things that aren't gimmicks are changing the tire ratio and the ratio for the speedo. However, it can also be done at your local dealer for around $125. The downside is that it doesn't set up at all as advertised, and the way they negate 2.0 security also gets in the way of some other elements that the Jeep needs to be…