DIABLOSPORT Products
DiabloSport offers a variety of tuning products designed to deliver more power, improved drivability, better towing, and improved efficiency. Our product types include:
- Handheld Tuners
- In-Cabin Programmers
- Performance Chips
- PCM Swap Kits
Product Series
Explore our main product lines, each designed to meet specific performance needs
BEST DIABLOSPORT TUNER FOR 5.7 HEMI
Best Diablosport Tuner for 5.7 Hemi Challenger Charger and Ram 1500 Complete Buyers Guide The 5.7-liter Hemi V8 is one of the most celebrated engines in modern American automotive history. It powers the Dodge Challenger, Dodge Charger, and Ram 1500. All three are different vehicles with different drivers and different goals, but they share one…
BEST DIABLOSPORT TUNER FOR SILVERADO AND SIERRA
Best Diablosport Tuner for Chevy Silverado and GMC Sierra Every Model Year Explained The Chevy Silverado and GMC Sierra are the most tuned trucks in the Diablosport lineup. Not by a small margin. GM truck owners represent the single largest audience for Diablosport products, and the LS engine family that powers these trucks is one…
BEST DIABLOSPORT TUNER FOR FORD F-150
Best Diablosport Tuner for Ford F-150 EcoBoost and V8 Tuning Compared The Ford F-150 is the best-selling vehicle in the United States and has been for more than four decades. It comes in more configurations, engine options, and trim levels than any other truck on the market. It is also one of the most rewarding…
Types & Models
Find the perfect tuner for your vehicle:
- Trinity T2 EX Platinum: comprehensive tuning and monitoring for high-performance enthusiasts.
- inTune i3 Platinum: easy-to-use tuner with pre-loaded performance programs.
- Predator 2 Platinum: budget-friendly tuner with essential performance upgrades.
Customer Favorites
Our top-selling products loved by customers
DIABLOSPORT Trinity T2 EX Platinum
Advanced in-cabin tuner with full-color touchscreen and comprehensive monitoring.
DIABLOSPORT inTune i3 Platinum
User-friendly handheld tuner with pre-loaded performance programs.
DIABLOSPORT Predator 2 Platinum
Affordable tuner offering essential performance enhancements and improved efficiency.
DIABLOSPORT Trinity T2 MX
Race-ready tuning for extreme performance with multi-gauge support and data logging.
DIABLOSPORT inTune i3 for GM Vehicles
Optimized tuning specifically for late-model GM cars and trucks for better throttle response and horsepower.
DIABLOSPORT PCM Swap Kit for Dodge/RAM
Unlocks tuning capability on select Dodge and RAM vehicles with an unlocked PCM and tuner bundle.
DiabloSport 8400 inTune i3
A portable tuner that allows you to quickly increase power and improve throttle response.
DiabloSport Edge 32451 Pulsar Tuning
Increased power without complex adjustments, connects directly, and provides a noticeable increase in traction and response.
DiabloSport 9050 Trinity 2 MX
This is not just a tuner, but a diagnostic tool with the possibility of upgrading in the future.
DiabloSport 8326-AR: Intune i3 Plat 2018
Portable tuner with PCM swap kit designed for Dodge/Jeep vehicles (2018+).
NEW DIABLOSPORT PREDATOR 2
This is a classic “working” tuner with powerful functionality and easy installation.
Diablosport Sprint Tuner – S1000
Makes acceleration smoother, works without reprogramming the control unit.
Customers REVIEWS
“Ever since I installed the DiabloSport tuner, my truck feels like a whole new vehicle. The throttle response is incredible!”
Dalton M.
“The Trinity T2 EX Platinum is a game-changer. The touchscreen interface is intuitive, and the performance gains are noticeable.”
Wayne R.
“I was skeptical at first, but the inTune i3 Platinum exceeded my expectations. Easy to use and delivers real results.”
Rachel S.
Diablosport Tuner FAQ Everything You Need to Know Before You Buy
Got questions about Diablosport tuners, compatibility, installation, or performance gains? The answers to the most common questions buyers ask are right here.
A Diablosport tuner connects to the OBD2 diagnostic port under the dashboard and reprograms the vehicle’s powertrain control module (PCM). The factory PCM calibration is written to meet broad standards across all driving conditions, fuel grades, and climates. This conservative approach leaves real performance potential locked inside the engine. A Diablosport tuner replaces those conservative factory settings with dyno-tested calibrations that optimize ignition timing, fuel delivery, throttle response, and transmission shift behavior for the way the vehicle is actually driven and the fuel grade being used. The result is more horsepower, more torque, a sharper throttle feel, and improved drivability that is noticeable from the first drive after tuning.
Power gains depend on the vehicle platform, engine, and tune being used. On a stock naturally aspirated vehicle running a Diablosport inTune i3 with preloaded performance tunes, typical gains are 20 to 25 rear-wheel horsepower. Factory turbocharged applications like the Ford F-150 EcoBoost can see gains up to 90 rear-wheel horsepower from preloaded tunes alone due to the headroom available in boosted engine calibrations. On a stock 5.7 Hemi, preloaded 93 octane tunes consistently add 14 to 18 rear-wheel horsepower and up to 18 lb-ft of torque. Vehicles with aftermarket modifications tuned using a Platinum or Trinity 2 EX Platinum custom tune can see significantly larger gains depending on the combination of parts installed.
Diablosport tuners support thousands of domestic vehicles across Ford, GM, Dodge, Chrysler, Jeep, and Ram platforms. Popular compatible vehicles include the Ford F-150, Mustang, and Bronco; Chevrolet Silverado, Camaro, and Corvette; GMC Sierra; Dodge Challenger and Charger; Ram 1500 and 2500; and Jeep models with compatible engines. Different Diablosport products cover different platform ranges. The inTune i3 covers Ford, GM, and Mopar applications. The Predator X is focused on GM trucks, SUVs, Corvettes, and Camaros. The Trinity 2 EX Platinum covers select GM platforms with the deepest feature set. Always use Diablosport’s official vehicle compatibility checker with the exact year, make, model, and engine before purchasing to confirm support.
The right tuner depends on the vehicle platform and what is planned for the build. For a stock or mildly modified Ford, GM, or Mopar vehicle where preloaded dyno-tested tunes are the goal, the standard inTune i3 covers everything needed. For any vehicle where custom tuning from a professional calibrator is part of the plan now or in the future, the inTune i3 Platinum adds that capability at a meaningful upgrade in value. For GM truck and car owners who want smartphone-controlled tuning without a handheld device, the Predator X is the cleanest solution. For serious enthusiasts who want the most advanced monitoring, data logging, and custom tune capability in one device, the Trinity 2 EX Platinum is the top of the lineup. For stock GM V8 truck owners who simply want better fuel economy without performance tuning, the M1000X Marathon AFM module is a standalone plug-in solution.
Installation is straightforward enough for any vehicle owner regardless of mechanical experience. The tuner connects to the OBD2 port, which is a standard diagnostics port found on all domestic vehicles built after 1996. On most vehicles it is located under the driver’s side dashboard within reach of the driver’s seat. No tools are required. Plug the tuner in, follow the on-screen prompts to select the vehicle and the desired tune, and the device reads the factory PCM, backs it up to the tuner’s internal storage, and writes the new calibration to the vehicle. The full process takes between 20 and 40 minutes on most applications. The inTune i3 also includes an Easy Tune mode that simplifies the process further for first-time users.
When a Diablosport tuner flashes a tune onto a vehicle’s PCM for the first time, the device becomes digitally locked to that vehicle. This is called being “married.” A married tuner can only be used on the vehicle it is currently locked to. It cannot be used to tune a different vehicle while it remains in this married state. To use the tuner on a second vehicle, the stock tune must first be restored to the original vehicle. This “unmarries” the device and frees it to be used on a new vehicle. The inTune i3 also supports multi-vehicle licensing, which allows the same device to tune additional vehicles by purchasing additional licenses through Diablosport’s software, without needing to remove the tune from the first vehicle.
Yes. Before applying any tune, the Diablosport device reads and saves the original factory PCM calibration to its internal storage. This backup can be restored at any time using the same OBD2 connection. Restoring the stock tune returns the PCM to its exact original state and simultaneously unmarries the tuner from the vehicle. This is a standard practice before scheduled dealership service visits or any time the vehicle needs to be returned to a stock condition. Keep the tuner safe after restoring stock, as it holds the only accessible backup of the original calibration for that specific vehicle.
The legal position is nuanced. Under the Magnuson-Moss Warranty Act, a vehicle manufacturer cannot void a warranty claim simply because an aftermarket modification exists. The manufacturer must demonstrate that the specific modification directly caused the failure being claimed. An unrelated failure such as a faulty sensor or air conditioning compressor cannot be denied based on the presence of a tune. However, if an engine or transmission failure occurs while a performance tune is active, the manufacturer is very likely to argue that the modified calibration contributed to the failure, and warranty coverage for that component may be denied. The practical approach most enthusiasts use is to restore the stock tune using the tuner before any dealership service visit as a precaution. Note that modern dealer diagnostic tools can sometimes detect that the PCM has been previously reprogrammed even after returning to stock.
It depends on the specific product and tune. The standard Diablosport inTune i3 includes CARB-exempt tunes with California Air Resources Board Exemption Order numbers, making those specific tunes 50-state legal for on-road use on supported vehicles. The Platinum versions of the inTune i3 and the Trinity 2 EX Platinum support custom tune files from third-party calibrators, which may or may not be CARB compliant depending on the calibration applied. The M1000X Marathon AFM module is specifically not CARB certified and is not legal for use in California or any state that follows California emissions standards. Always verify the emissions compliance status of the specific tune and product for the target vehicle before purchasing if operating in an emissions-testing state.
Preloaded tunes are calibrations developed by Diablosport engineers and tested on the dyno for a stock vehicle of the specified year, make, model, and engine. They are designed to improve performance across a predictable range of conditions for a vehicle that has not been modified from factory specification. Custom tunes are developed by a professional calibrator specifically for a particular vehicle’s actual state, including any modifications. A cold air intake, performance exhaust, camshaft, heads, or forced induction all change how the engine responds to fueling and timing inputs. A custom tune built for those exact parts extracts far more performance from the combination than any generic preloaded tune can. The Platinum versions of the inTune i3 and the Trinity 2 EX Platinum add the ability to load custom tune files from Diablosport’s CMR calibrator network onto the device.
Both devices tune the PCM through the OBD2 port and both support custom tune files in their Platinum configurations. The Trinity 2 EX Platinum adds a significantly larger 5-inch capacitive touchscreen with full swipe navigation, a more advanced real-time gauge monitoring suite that displays critical engine parameters during driving, built-in data logging for track and dyno use, and a fully unlocked PCM cross-shipment included with the EX Platinum version for vehicles that require a modified PCM to accept tuning. The inTune i3 is the more compact, more affordable option that delivers the same core tuning capability in a smaller form factor without the advanced monitoring hardware. For a daily driver or weekend build where tuning is the primary goal, the inTune i3 Platinum covers most needs. For a track car or a driver who wants continuous engine monitoring and data logging as part of the package, the Trinity 2 EX Platinum is the right choice.
For most stock or mildly modified 5.7 Hemi applications in Challengers, Chargers, Ram 1500s, and Durangos, the inTune i3 Platinum is the recommended starting point. The preloaded 91 and 93 octane tunes deliver immediate gains in horsepower and throttle response, and the Platinum capability allows custom tuning to be added as modifications are made over time. Important note for owners of 2015 and newer Ram 1500 V8 and performance Hemi vehicles: these applications require an aftermarket modified PCM before tuning can be applied due to factory PCM security. Attempting to tune a 2015 or newer Hemi without the appropriate modified PCM risks damage to the factory unit. The Trinity 2 EX Platinum package includes the modified PCM cross-shipment and is a complete solution for newer platform Hemi owners.
The M1000X Marathon AFM module is a single-function device. It plugs into the OBD2 port and modifies the threshold parameters of the existing Active Fuel Management system in compatible GM V8 vehicles to keep the engine in fuel-saving 4-cylinder mode 80 percent of the time during light-load driving versus the factory 35 percent. It does not reflash the PCM, does not change power output, and does not provide tuning controls beyond this one function. A full tuner like the inTune i3 reprograms the PCM to optimize all performance parameters including ignition timing, fueling, throttle mapping, and transmission behavior. The M1000X is the right choice for a GM V8 truck owner who only wants better fuel economy with zero-complexity installation. A full tuner is the right choice for any owner who wants performance gains alongside or instead of fuel economy improvements.
Buying a used Diablosport tuner comes with one important risk: the device may still be married to the previous owner’s vehicle. A tuner that is married to a vehicle it is no longer connected to cannot tune a different vehicle until it is unmarried. To properly unmarry a tuner, the stock tune must be restored to the original vehicle using the device. If the previous owner sold the vehicle and no longer has access to it, the device cannot be unmarried through the standard process. In this situation, Diablosport support can sometimes assist with unmarrying the device, though this may involve a fee. Before purchasing a used Diablosport tuner, confirm with the seller that the stock tune has been properly restored to the vehicle and the device has been unmarried. Always purchase from an authorized dealer or a verified private seller to ensure the device is genuine, has valid firmware, and comes with its original accessories.