Great product and great company. Great product and great company to deal with. There are quite a few performance chips out there so a little research lead me PCT. it does as advertised. I ordered the Stage 1 for my 2016 CX-5 and after setting it up, the Mazda is purring like a kitten. It idles better, definitely is showing a performance enhancement and I can garner from these immediate results, the MPG is going to improve as well. Very happy with this addition to my SUV.

Chips don't work and could cause electrical issues I personally used this chip for 6 months now and have driven close to 5000 miles with it. They do not do anything at all to your vehicle and could cause electrical issues like what happened to my 2010 Ford F-150. I did some more research and it looks like they have two reviews blogs that they own, one to help give positive reviews to their chips and one to give bad reviews to competing chips. I am not saying that you shouldn't buy from them, I am just saying that you should do a little more research before you spend your hard earned money on something that could harm you car. Tried to contact them 2 weeks in and they kept giving me the run around then they said they couldn't help me or give me a refund, its a shame, I really wanted to like this company and their chips.

Let’s just say I got dyno sheets to… Let’s just say I got dyno sheets to prove these chips are garbage. I have 1/8 mile and 1/4 mile times that say they don’t make any changes to ur car. Tried out on two different types of cars save ur money. I am thinking about starting a class action law suit so people stop getting scammed. If interested let me know you can call my attorney.

Does what it says I purchased a stage 2 chip for my 97 pickup and noticed a difference right away. Power, throttle response. Haven't seen a huge change in gas mileage yet probably because I have been enjoying the new feel of the truck a bit much.

Great Product, Great Service I bought a stage 2 chip, and though it was a significant power increase, it caused some surprise redline downshifts with my transmission when letting off the gas after full throttle. Contacted customer service who were very helpful. Replaced it with their JDM stage 3 chip and it is performing flawlessly. My Crown Victoria is now positively FEISTY!!!