We researched and compared seven top auto performance chips based on manufacturer specifications, published industry standards, and aggregated owner feedback. Our evaluation focuses on real-world gains, durability, ease of installation, and safety. While many chips claim dramatic horsepower boosts, we found that results vary significantly by vehicle and driving conditions. Below are our findings to help you choose wisely.
| Photo | Product | Score | Buy |
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Superchips Flashpaq F5 Best Overall Tuning for 1996+ gasoline and diesel vehicles, OBDII plug-in |
9.2 | 🛒 Check Price |
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Edge Evolution CTS3 Best for Monitoring 5-inch color touchscreen, OBDII, real-time data monitoring |
8.7 | 🛒 Check Price |
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Bully Dog BDX Best for Diesel Trucks Diesel specific, OBDII, up to 120 HP gain (manufacturer claim) |
8.4 | 🛒 Check Price |
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Pedal Commander PC25 Best for Throttle Response Throttle response controller, OBDII, 4 modes (Eco, City, Sport, Sport+) |
8.1 | 🛒 Check Price |
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DiabloSport i3 Best for Custom Tuning Handheld tuner, OBDII, supports custom tunes from DiabloSport |
7.8 | 🛒 Check Price |
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Pulse Racing Performance Chip Budget Pick Universal OBDII plug-in, claims 25-35 HP gain |
7.3 | 🛒 Check Price |
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Chip Your Car Performance Chip Budget Alternative Universal OBDII, claims 20-30 HP gain, adjustable dial |
7.0 | 🛒 Check Price |
1. Superchips Flashpaq F5: Best Overall
In our evaluation, the Superchips Flashpaq F5 stands out for its balance of performance and safety. It offers pre-loaded tunes that adjust fuel and timing curves based on your driving needs. Owner feedback consistently reports noticeable throttle response improvements and modest fuel economy gains when using the economy tune. The device also functions as a code reader, adding diagnostic value.
However, the Flashpaq F5 may not deliver dramatic gains on all vehicles. Some owners of naturally aspirated cars saw minimal horsepower increases. It is best suited for trucks and SUVs where towing or off-road tuning is desired. If you drive a small economy car, this chip might be overkill.
- Pre-loaded tunes for performance, towing, and economy
- Reads and clears diagnostic trouble codes
- Supports up to 39% more horsepower (manufacturer claim)
Pros: Extensive vehicle coverage; User-friendly interface; Reliable performance gains
Cons: Higher price point than basic chips
2. Edge Evolution CTS3: Best for Monitoring
The Edge Evolution CTS3 impressed us with its comprehensive monitoring capabilities. It displays real-time data like boost, exhaust temperature, and transmission temperature, which is invaluable for performance enthusiasts. The tuning options are well-calibrated, providing smooth power delivery without aggressive timing. Based on owner feedback, the towing tune is particularly effective for diesel trucks.
One limitation is the screen size; it can block the windshield or vents in some vehicles. Also, the tuning gains are conservative compared to custom tunes. If you primarily want a code reader and don’t need live data, a simpler chip may suffice. This is ideal for those who love data and want to keep an eye on engine health.
- Customizable gauge displays for up to 30 parameters
- Pre-loaded tunes for fuel economy and performance
- Built-in GPS and 0-60 timer
Pros: Excellent live data monitoring; Intuitive touchscreen; Multiple tuning options
Cons: Bulky screen may obstruct view; Pricey for basic users
3. Bully Dog BDX: Best for Diesel Trucks
For diesel truck owners, the Bully Dog BDX is a strong contender. We compared its specifications with other diesel tuners and found it offers some of the highest claimed gains. Owner reviews on forums highlight significant towing improvements and better throttle response. The device also allows monitoring of exhaust regeneration cycles, which is a plus for maintenance.
However, the BDX can be aggressive on engine components if not used properly. Some users reported transmission adaptations needed after tuning. It is not recommended for gasoline engines or for drivers who want a simple plug-and-play experience. If you own a modern diesel pickup and are comfortable with tuning, this chip delivers.
- Pre-loaded tunes for economy, performance, and extreme
- Regen control and DPF monitoring
- Touchscreen interface with gauge display
Pros: Substantial power gains on diesel; Diesel-specific features; Good customer support
Cons: Gasoline vehicle support limited; Installation requires some technical knowledge
4. Pedal Commander PC25: Best for Throttle Response
The Pedal Commander PC25 is not a traditional performance chip but rather a throttle response controller. It modifies the signal from the accelerator pedal to make the car feel more responsive. In our research, owners of vehicles with electronic throttle lag reported a night-and-day difference. It is especially popular among owners of trucks and SUVs.
That said, it does not add any actual horsepower or torque. Some users expected more and were disappointed. It also may cause a jerky throttle in Sport+ mode in stop-and-go traffic. If you are looking for genuine engine tuning, this is not for you. But if you want to eliminate lag for a peppier feel, it works well.
- Eliminates throttle lag by adjusting pedal signal
- Simple plug-and-play installation
- Smartphone app control via Bluetooth
Pros: Instant throttle response improvement; Easy to install and remove; Multiple adjustability levels
Cons: Does not increase horsepower; Not a true performance chip
5. DiabloSport i3: Best for Custom Tuning
The DiabloSport i3 is a versatile tuner that allows both pre-loaded and custom tuning. We evaluated its pre-loaded tunes and found moderate gains on popular platforms like the Ford Mustang and Chevrolet Camaro. The ability to data log and send files to a custom tuner is a big plus for serious modifiers. Owner feedback on forums indicates that custom tunes can yield excellent results.
However, the i3 can be frustrating for novices. The interface is less intuitive than competitors, and some users reported issues with updates. Also, the base tunes are conservative. If you are not planning to get a custom tune, you may be better served by a simpler device. This chip is for the DIY tuner who wants full control.
- Pre-loaded tunes for 87, 91, and 93 octane
- Data logging and diagnostics
- Allows custom tuning via CMR software
Pros: Custom tune capability; Good for performance enthusiasts; Data logging useful for diagnostics
Cons: Steep learning curve; Customer service inconsistent
6. Pulse Racing Performance Chip: Budget Pick
The Pulse Racing Performance Chip is a budget-oriented device that claims impressive horsepower gains. In our comparison, we found that while it is cheap and easy to install, actual performance improvements are minimal based on owner feedback. Some users reported a slight improvement in throttle response, but many noticed no difference. The build quality is also a concern, with some units failing after a few months.
This chip is best for those who want to try a performance chip without a significant investment. However, we recommend tempering expectations. It may be suitable for older vehicles where a small change is welcome, but for serious performance, look elsewhere. If you want proven results, skip this one.
- Affordable price point
- Simple plug-and-play
- Compatible with most OBDII vehicles
Pros: Very affordable; Easy installation; Works on many cars
Cons: Minimal real-world gains; Questionable durability; No tunable parameters
7. Chip Your Car Performance Chip: Budget Alternative
The Chip Your Car Performance Chip is another low-cost option that uses an adjustable dial to modify sensor signals. In our research, we found that such devices often trick the engine computer into running richer mixtures, which can lead to reduced fuel economy and potential long-term damage. Owner reviews are mixed, with some reporting a slight increase in power and others seeing check engine lights.
We advise caution with this product. While it is cheap, the risks may outweigh the benefits. It lacks safety features and industry endorsements. If you are considering this chip, we recommend investing in a more reputable brand. This is best for those who are willing to experiment on an older, less valuable vehicle.
- Adjustable power settings via dial
- Very low price
- Plug-and-play with no software
Pros: Extremely affordable; Adjustable settings; Simple to use
Cons: Unreliable performance claims; Potential engine issues; Lacks certification
Frequently Asked Questions
Do auto performance chips really increase horsepower?
Some chips can increase horsepower by optimizing fuel and timing maps, but gains vary widely. Our research shows that reputable tuners like Superchips and Edge can provide moderate gains, especially on turbocharged or diesel engines. However, many budget chips exaggerate claims and deliver minimal real-world improvement.
Are performance chips safe for my engine?
Quality chips from established brands are generally safe when used as directed. They stay within manufacturer safety limits. However, aggressive tuning or cheap chips that alter sensor signals can cause knock, overheating, or transmission issues. We always recommend monitoring engine parameters after installation.
Will a performance chip void my vehicle warranty?
It can. The Magnuson-Moss Warranty Act allows manufacturers to deny warranty claims if an aftermarket part caused the failure. A chip that alters engine parameters may void related powertrain warranties. Some tuners offer a pass-through mode that restores stock settings, but dealers can still detect that a tune was applied.
Can I install a performance chip myself?
Most OBDII plug-in chips are easy to install: locate the OBDII port under the dashboard, plug in the device, and follow on-screen prompts. Some require a few minutes. However, for best results, you may need to select the correct tune for your vehicle. Always read the manual.
What is the difference between a chip and a tuner?
A chip typically refers to a device that intercepts sensor signals to modify engine behavior, while a tuner (like the Superchips Flashpaq) reprograms the ECU via the OBDII port. Tuners offer more precise control and are generally safer. Many modern devices combine both functions.
Our Verdict
After researching and comparing specifications, owner feedback, and industry standards, our top pick is the Superchips Flashpaq F5 for its proven performance, safety features, and broad vehicle support. The runner-up is the Edge Evolution CTS3 for those who value real-time monitoring and data logging. For diesel truck owners, the Bully Dog BDX is a strong alternative. Avoid budget chips with unrealistic claims.
