Installation greatly increased horsepower and improved acceleration and fuel economy.
“An increase in HP from 333 to about 400 !”
Reviewers often notice sharper engine response and better drivability after installing RaceChip units. Many mention fast delivery, simple installation, and helpful interactions with staff. Some ran into compatibility issues or engine-warning lights, especially on modified or high-performance models. A small number say they saw no measurable improvement and that support did not fix the problem.
Examples from available reviews (Dec 2021 – Mar 2026).
Installation greatly increased horsepower and improved acceleration and fuel economy.
“An increase in HP from 333 to about 400 !”
Chip worked and company promptly replaced faulty unit with quick shipping.
“they also stand behind their product”
Tuner did not function with modified AMG and caused engine light issues.
“engine light keeps popping up!”
Product did not improve performance and technical support was unhelpful.
“I would not recommend RaceChip”
Several reviewers describe quick, helpful support for setup questions and app pairing. More than one mentions fast replacement shipping and reminders to register to keep warranty coverage. Complaints about unhelpful support or unresolved cases appear less often.
Users frequently report clear horsepower gains and stronger acceleration, which they see as good value. Some also note modest fuel-economy improvements along with the added power. A minority say compatibility limits on modified intakes or tuned engines lowered the value for them.
Many customers point to clear instructions and an easy plug-and-play install. Some needed a mechanic because the printed directions were outdated or a bit confusing. A few users reduced tuning stages after engine-check lights appeared at higher settings.
Many reviews highlight stronger throttle response and steady performance, with Bluetooth models and Eco mode called out as positives. Several reviewers report no performance improvement or electronic faults on modified or high-performance engines. A few isolated comments mention check-engine lights and incompatibility with certain aftermarket hardware.
Customers often mention fast answers to questions and regular updates during replacements or app setup. Multiple reviews note reminders about registration and hands-on help with pairing. Negative communication experiences show up, but not often.
Many reviewers describe a satisfying upgrade, combining more power, easy fitment, and responsive service. A distinct minority report serious problems such as no power gain or repeated engine warnings that were not resolved. Overall, many vehicles see strong results, alongside a few major negative cases.
For each review, the core experience based on original source reviews.
Sources: Trustpilot (25) · Collected.reviews (1) · Quotes shortened · As of: March 2026
Team reminded reviewer to register unit to maintain engine warranty.
“reminded me to register the unit”
Product significantly improved a customer's vehicle with fast shipping and easy installation.
“he got a new car.”
RaceChip improved multiple used Audis, with quick delivery and outstanding service.
“performed well above my expectations”
Ordering and delivery were easy, and product performed very well.
“IT WORKS VERY WELL AND I AM VERY HAPPY WITH ITS PERFORMANCE!!”
Tuner did not function with modified AMG and caused engine light issues.
“engine light keeps popping up!”
Tuners performed well and customer service was very good.
“Love the race chip tuners.”
Customer service was described as really good.
“Really good customer service”
Device arrived early, was easy to install, and significantly improved performance.
“It woke my X5 up.”
Installation transformed the car, increasing speed and slightly improving MPG.
“the car has been completely transformed.”
Chip worked well and customer service helped resolve app pairing issues.
“The chip is fabulous, it works.”
Chip worked and company promptly replaced faulty unit with quick shipping.
“they also stand behind their product”
Installation was easy and customer service and performance were excellent.
“Customer service was awesome”
Product works well and customer service was reported as great.
“THe product works fantastic”
Customer service shipped replacements quickly and updated app settings promptly.
“Great customer service.”
Chip increased horsepower significantly but had compatibility limits with modified intakes.
“from aprox 205 hp to aprox 250 hp.”
Instructions were clear, installation simple, and product worked as advertised.
“everything worked as advertised!”
Product did not improve performance and technical support was unhelpful.
“I would not recommend RaceChip”
Arrived promptly, installed easily, improved throttle and fuel economy slightly.
“Arrived promptly, well packaged, easy install.”
Product and technical support were excellent with useful Bluetooth Eco mode.
“Excellent product and tech support.”
Installation greatly increased horsepower and improved acceleration and fuel economy.
“An increase in HP from 333 to about 400 !”
Install was easy but higher settings triggered engine check light, so reduced setting used.
“triggered the engine check light after 10-20 miles.”
Chip increased power and fun, but outdated directions required mechanic installation.
“the car is noticeably peppier and faster.”
Product made the car noticeably more responsive.
“My car is much more responsive and you feel the difference !”
Purchasing experience was good and customer service answered questions promptly.
“Customer service has answered all of my questions promptly.”
Product is recommended and Bluetooth model is suggested.
“Great product! Highly recommend and do yourself a favor and get the Bluetooth.”
I love my Mazda6 that I drive everyday, but felt like it could use an extra push in the right direction. As a result, I decided to install a performance chip, which has actually made it better than ever! I placed an order and the delivery was super quick. My mechanic was also able to hook it up in less than 30 minutes, and it has made the car zippier, more nimble and just simply quicker to respond. Now I can merge onto the freeway without feeling like I need to diet and my children think that it’s the coolest car they’ve ever seen. The chip has made a big difference in power. I find that I am passing on the freeway with ease and it is fun to drive.
This page combines submitted experiences with public reviews from platforms such as Google, Trustpilot, etc. Recurring points are summarized without changing the content of reviews.
RaceChip develops and sells aftermarket tuning modules that plug into a vehicle’s engine electronics to adjust performance settings. The lineup includes wired and Bluetooth tuners that connect to a smartphone app for map selection and Eco modes. RaceChip offers tuners for many vehicle makes, including common European brands like BMW, Audi, and Mercedes, and sells them through its online store and authorized dealers. Its website provides technical documentation, software updates, and app downloads.