10 Best OBD2 Performance Chips (October 2026)

Buying a performance chip for the wrong truck is the most common way to waste money in this category. Tuners are locked to specific makes, years and engines. A device built for a 2005-2024 GM engine with Active Fuel Management will not talk to a 5.7L Hemi, and a tuner that fits a 2016 F-150 will not fit a 2019 Ram. Emissions legality adds a second trap, because some tuners carry a CARB Executive Order and others do not state compliance at all. The Best OBD2 Performance Chips depend on three things: your exact vehicle and engine, how much control you want over the tune, and whether the device has to stay emissions legal.

The short answer: the DiabloSport S1000 Sprint suits GM owners who want a tiny plug-in module that keeps the engine in V8 mode, the Superchips Flashpaq F5 (1999-2016 GM) suits owners of older GM gasoline or diesel trucks who want one handheld for both fuels, and the DiabloSport 8200 inTune i3 suits Silverado and Sierra 1500 owners who want a touchscreen with adjustable tire size, shift and limiter settings. The rest of the list covers Ram Hemi tuners, Ford programmers, a gauge-equipped 50-state tuner and one unproven booster that needs a cautious read.

TL;DR: top picks at a glance

• Best overall: the DiabloSport S1000 Sprint, a 1.76-ounce plug-in module covering 2005-2024 GM engines with Active Fuel Management.
• Best for older GM gas and diesel trucks: Superchips Flashpaq F5 (1999-2016 GM), one handheld tuner for both gasoline and diesel engines.
• Best for Silverado and Sierra tuning: DiabloSport 8200 inTune i3, a touchscreen programmer with CARB EO D-770 and adjustable tire size and shift settings.
• Best for Ford monitoring: SCT BDX 40490EO, WiFi, CloudTune delivery and full-color live gauges on a 50-state legal programmer.

Best OBD2 Performance Chips Comparison (October 2026)

#	Product	Best for	Fitment	Weight	Standout feature
1	DiabloSport S1000 Sprint	GM AFM trucks	2005-2024 GM with AFM	1.76 oz	Keeps V8 mode active
2	Superchips Flashpaq F5 (1999-2016 GM)	Older GM gas or diesel	1999-2016 GM gasoline and diesel trucks	11.2 oz	USB, digital tuner
3	DiabloSport 8200 inTune i3	Silverado and Sierra	1999-2016 Silverado/Sierra 1500 (4.8L, 5.3L, 6.0L)	6.4 oz	Touchscreen, CARB EO D-770
4	Bully Dog 40410 GT	Multi-brand gauge display	Select Ford, Lincoln, Dodge, Chrysler, Jeep, Chevrolet, GMC, Cadillac, Nissan	16 oz	15+ live parameters
5	Superchips Pulsar Ram 1500 Hemi	2019 Ram Hemi	2019 Ram 1500 5.7L Hemi	2 lb	8 levels, MDS on/off
6	DiabloSport 8300 inTune i3	Older Hemi vehicles	2003-2014 Ram 1500, Charger, Challenger, Durango 5.7L	9.5 oz	Touchscreen, Wi-Fi updates
7	Superchips Flashpaq F5 (2017+ GM)	Newer GM gas trucks	2017 and newer GM gasoline trucks	11 oz	2.8-inch color screen
8	DiabloSport 8100 inTune i3	F-150 and Mustang GT	1998-2016 F-150, 1996-2016 Mustang GT	12.8 oz	Easy Tune mode
9	SCT BDX 40490EO	Late-model Ford	Select F-150, Super Duty, Mustang, Ranger, Explorer, ST models	Not listed	WiFi, CloudTune, gauges
10	Vdaxvme ECU Booster	Experimental buyers	Not listed	Not listed	Auto calibration after 200 km

1. DiabloSport S1000 Sprint: Best Compact OBD2 Performance Chip for GM V8 Trucks with Active Fuel Management

• Fitment: 2005-2024 GM with Active Fuel Management
• Weight: 1.76 ounces
• Connection: Direct OBD-II plug-in, no drilling or splicing
• Main function: Cylinder deactivation disable and throttle response
• Warranty: Limited one-year coverage for workmanship and materials

Pros:

• The 1.76-ounce body is small enough to plug in and forget, which makes it the least intrusive device on this list.
• It reverts the engine to full-cylinder operation, which removes the factory restriction that cycles cylinders off.
• It connects straight to the OBD-II port, so installation takes minutes without wiring changes.
• Buyers report a smoother ride and transmission shifts, plus V8 mode that holds around the clock.

Cons:

• Fitment is limited to GM engines with Active Fuel Management, so it is useless on non-GM or non-AFM vehicles.
• No screen or gauge function is described, so you cannot adjust tire size or shift settings the way an i3 allows.
• The warranty is limited to one year and covers only defects.

Best for: GM truck and SUV owners with AFM engines who want full V8 operation and sharper throttle response without a screen or menu.

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The DiabloSport S1000 Sprint earns the top spot because it does one job and covers the widest model-year span of any GM-specific item here, from 2005 through 2024. Where the DiabloSport 8200 inTune i3 is a programmer you operate, the Sprint is a module you install once. Its focus is the cylinder deactivation behavior and the hesitation under hard acceleration that many AFM owners dislike.

Reported results are modest and practical: smoother shifting, steady V8 power and, in one case, about 1 mile per gallon of improvement. That is the profile of a drivability fix, not a horsepower adder. Owners who want to change tire size, speedometer calibration or rev limits should step up to the 8200 i3 for Silverado and Sierra 1500 trucks.

It is the wrong choice for anyone with a pre-2005 GM truck, a diesel or a non-AFM engine. Those buyers should look at the Superchips Flashpaq F5 (1999-2016 GM), which handles older gasoline and diesel trucks.

2. Superchips Flashpaq F5 (1999-2016 GM): Best Dual-Fuel Handheld OBD2 Performance Chip for Older GM Trucks

• Fitment: 1999-2016 GM gasoline and diesel engine trucks
• Weight: 11.2 ounces
• Dimensions: 6 x 5.5 x 2.5 inches
• Connection: USB, digital tuner
• Part number: SPC-2845

Pros:

• It covers both gasoline and diesel GM trucks across 18 model years, which no other tuner here matches.
• The handheld digital design gives an in-cab interface instead of a hidden module.
• USB connectivity makes updating a straightforward cable job.
• At 11.2 ounces, it is light enough to store in a glovebox between uses.

Cons:

• The product information is thin, so specific tune options and gains are not itemized.
• No emissions compliance, such as a CARB order, is stated.
• Fitment is broad, which means you must confirm your exact engine before ordering.

Best for: Owners of older GM gas or diesel trucks who want one in-cab tuner that handles either engine type.

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The Superchips Flashpaq F5 (1999-2016 GM) is the only pick here that spans both fuels in one SKU. That makes it more flexible than the DiabloSport 8200 inTune i3, which is limited to Silverado and Sierra 1500 trucks with 4.8L, 5.3L or 6.0L V8 engines.

Diesel owners should note that tuning is only part of the job. Fuel-system and emissions health also affects how a tuned truck behaves, and a DPF cleaner is a common maintenance item on diesels that spend their time in short-trip duty. The Flashpaq does not replace that kind of upkeep.

Buyers with a 2017 or newer GM gas truck should skip this version and choose the Superchips Flashpaq F5 (2017+ GM). Buyers who want a documented CARB order should consider the 8200 i3.

3. DiabloSport 8200 inTune i3: Best Touchscreen OBD2 Performance Chip for Silverado and Sierra 1500

• Fitment: 1999-2016 Silverado 1500 and Sierra 1500 with 4.8L, 5.3L or 6.0L V8
• Weight: 6.4 ounces
• Interface: Touchscreen with Easy Tune mode
• Updates: Wi-Fi through Windows or Mac
• Compliance: CARB EO D-770, limited one-year warranty

Pros:

• The touchscreen with Easy Tune mode lets you adjust tire size, speedometer calibration, speed and rev limits and transmission shifting.
• Dyno-tested tunes target horsepower, torque, throttle response, drivability and fuel economy.
• CARB EO D-770 gives it a stated emissions order that several rivals lack.
• Installation is plug and play through the OBD-II port, without drilling or splicing.

Cons:

• Fitment is narrow: only Silverado and Sierra 1500 trucks with three listed V8 engines.
• Updating requires a Wi-Fi connection and a Windows or Mac computer.
• The one-year warranty covers defects in workmanship and materials only.

Best for: Silverado and Sierra 1500 owners who want adjustable calibration and shift settings in a compliant, easy-to-use programmer.

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The DiabloSport 8200 inTune i3 is the control-focused option for GM trucks. Compared with the DiabloSport S1000 Sprint, which fixes cylinder deactivation, the 8200 is a full programmer with speed limiter, tire size and shift adjustments. At 6.4 ounces, it is also lighter than the Superchips Flashpaq F5 (1999-2016 GM).

The touchscreen and Easy Tune mode make it approachable for first-time tuners. It also shares its platform with the 8300 and 8100 versions for Ram and Ford, so the experience is consistent across brands of vehicle.

It is the wrong choice for diesel owners or for 2017 and newer GM trucks, since the fitment stops at 2016 and lists gasoline V8s only. Those buyers should look at the Flashpaq F5 versions instead.

4. Bully Dog 40410 GT: Best Pillar-Mount Gauge OBD2 Performance Chip for Multi-Brand Gas Vehicles

• Fitment: Select Ford, Lincoln, Dodge, Chrysler, Jeep, Chevrolet, GMC, Cadillac and Nissan
• Weight: 16 ounces
• Display: LCD mounted on a pillar, window or dash
• Tunes: Four preloaded tunes
• Compliance: 50 state compliant

Pros:

• The LCD monitors more than 15 performance parameters at a glance.
• Four preloaded tunes can be switched with a few button presses.
• It is 50 state compliant with dyno-proven tunes aimed at power, torque and fuel economy.
• It can diagnose and clear trouble codes, which saves a trip for a basic check engine light.

Cons:

• At 16 ounces, it is the heaviest handheld here and needs a mounting spot.
• The fitment list is wide but not specific, so you must verify your vehicle before ordering.
• The design dates to 2009, so the interface and updating approach are older than the i3 line.

Best for: Drivers of select gas vehicles from many brands who want gauges, a code reader and switchable tunes in one unit.

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The Bully Dog 40410 GT stands out as a display-first tuner. Its live gauge screen makes it more of a monitor than the DiabloSport 8100 inTune i3, which relies on a touchscreen mostly for settings. The code-clearing function overlaps with a dedicated car scanner, though it is an add-on to the tuning job rather than a full diagnostic tool.

It is the wrong choice if you want a lightweight device that disappears into the dash. Owners of newer Fords who want cloud tune delivery should look at the SCT BDX 40490EO.

5. Superchips Pulsar Ram 1500 Hemi: Best Eight-Level Inline Module for 2019 Ram 1500 5.7L Hemi

• Fitment: 2019 Ram 1500 5.7L Hemi
• Performance levels: 8, shift on the fly
• Cylinder control: User-selectable MDS on/off
• Weight: 2 pounds
• Part number: 32453

Pros:

• Eight performance levels can be changed on the fly instead of reflashing the truck.
• User-selectable MDS on/off lets owners decide about cylinder deactivation.
• It is an inline module built for one specific truck, which narrows the risk of a bad match.
• The 2-pound unit is a self-contained package with a defined part number.

Cons:

• It fits only the 2019 Ram 1500 with the 5.7L Hemi.
• It is an inline module, not a plug-in OBD-II programmer, so installation differs from the i3 tuners.
• Details on emissions compliance and warranty terms are not specified.

Best for: 2019 Ram 1500 Hemi owners who want adjustable power levels and control over MDS from the cab.

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The Superchips Pulsar Ram 1500 Hemi targets a model year the DiabloSport Ram tuner does not reach. The DiabloSport 8300 inTune i3 stops at 2014, so the Pulsar fills the gap for a 2019 truck.

Its trade-off is narrow fitment and light documentation. A buyer with a 2003-2014 Ram, Charger, Challenger or Durango should choose the 8300, and anyone wanting a screen should look at the i3 line.

6. DiabloSport 8300 inTune i3: Best Touchscreen OBD2 Performance Chip for 5.7L Hemi Ram and Mopar Cars

• Fitment: 2003-2014 Ram 1500, Charger, Challenger and Durango with 5.7L Hemi V8
• Weight: 9.5 ounces
• Interface: Touchscreen with Easy Tune mode
• Updates: Wi-Fi through Windows or Mac
• Compliance: CARB EO D-770, limited one-year warranty

Pros:

• It spans four Mopar models with the 5.7L Hemi across 12 model years.
• Easy Tune mode adjusts tire size, speedometer calibration, speed and rev limits and shifting.
• Programming is reported to take about 15 minutes, and users find it easy to use.
• Plug-and-play installation uses the OBD-II port with no wire changes.

Cons:

• Reports on functionality and quality are mixed, with some units working well and others not.
• Wi-Fi connectivity for updates is the most common problem.
• It does not cover 2015 and newer Hemi vehicles.

Best for: Owners of 2003-2014 5.7L Hemi Ram, Charger, Challenger or Durango models who want screen-based tuning.

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The DiabloSport 8300 inTune i3 offers the same interface as the DiabloSport 8200 inTune i3, but for Mopar V8 vehicles. It covers more body styles than the Superchips Pulsar Ram 1500 Hemi, though it ends at 2014.

It ranks below the GM options because of the mixed experience around reliability and Wi-Fi updates. If you have a 2019 Ram, choose the Pulsar instead.

7. Superchips Flashpaq F5 (2017+ GM): Best Color-Screen OBD2 Performance Chip for 2017 and Newer GM Gas Trucks

• Fitment: 2017 and newer GM gasoline engine trucks
• Weight: 11 ounces
• Dimensions: 5 x 6 x 2.5 inches
• Display: 2.8-inch high-definition color screen
• Part number: 2847

Pros:

• The 2.8-inch HD color screen is easier to read than the monochrome handhelds of older generations.
• A redesigned graphic interface improves the user experience.
• Increased memory and a faster processor speed up tuning and updating.
• It covers newer GM gasoline trucks that the DiabloSport 8200 does not reach.

Cons:

• It is gasoline only, so diesel owners need the 1999-2016 version, which stops at 2016.
• Specific tune benefits and emissions compliance are not detailed.
• Its category placement is closer to diagnostic tools, so check the exact function before ordering.

Best for: Owners of 2017 and newer GM gas trucks who want a color-screen handheld tuner.

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The Superchips Flashpaq F5 (2017+ GM) is the newer-generation handheld, with a better screen and a faster processor than the older Superchips Flashpaq F5 (1999-2016 GM). Its main appeal is model-year coverage.

For a GM truck with an AFM engine and a simple goal, the DiabloSport S1000 Sprint reaches 2024 as well and is far simpler. Choose the Flashpaq only if you want an on-screen interface.

8. DiabloSport 8100 inTune i3: Best Easy Tune OBD2 Performance Chip for F-150 and Mustang GT

• Fitment: 1998-2016 F-150 and 1996-2016 Mustang GT
• Weight: 12.8 ounces
• Interface: Touchscreen with Easy Tune mode
• Updates: Wi-Fi through Windows or Mac
• Compliance: CARB EO D-770, limited one-year warranty

Pros:

• Fitment spans nearly two decades of F-150 and Mustang GT models.
• Dyno-tested tunes target horsepower, torque, throttle response and fuel economy.
• Adjustments for tire size, speedometer calibration, limits and shifting are available.
• OBD-II plug-in installation avoids drilling and wire splicing.

Cons:

• It does not cover EcoBoost or newer Ford applications that the SCT BDX handles.
• It weighs 12.8 ounces, more than the other i3 versions.
• Updates depend on Wi-Fi and a Windows or Mac computer.

Best for: Owners of older F-150 trucks and Mustang GTs who want a touchscreen programmer with a stated CARB order.

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The DiabloSport 8100 inTune i3 is the Ford member of the i3 family and shares its interface with the DiabloSport 8200 inTune i3. It focuses on V8 era Fords through 2016.

Newer Ford owners will find the SCT BDX 40490EO a better match, since it lists EcoBoost and Ti-VCT applications. This one is the wrong choice for any of those.

9. SCT BDX 40490EO: Best WiFi Gauge OBD2 Performance Chip for Late-Model Ford EcoBoost Trucks

• Fitment: Select F-150 EcoBoost and Ti-VCT, Super Duty 6.7L Powerstroke, Mustang EcoBoost and 3.7L, Ranger, Explorer, Focus ST, Fiesta ST, Fusion EcoBoost, Taurus SHO and Duratec, Police Interceptor
• Connectivity: Built-in WiFi with CloudTune delivery
• Display: Customizable full-color digital gauges
• Compliance: 50 state legal for approved applications
• Weight: Not listed

Pros:

• Built-in WiFi allows firmware updates and tune revisions without a computer or cables.
• CloudTune lets a tuning dealer send custom tunes directly to the device.
• Live gauges track boost, RPM, coolant temperature and transmission temperature in real time.
• It reads and clears trouble codes and logs data with LiveLink software.

Cons:

• Fitment is limited to certain Ford applications, and the year, engine and trim must be verified.
• Warranty terms are not specified and require contacting the manufacturer.
• Legality covers approved applications only, so not every vehicle qualifies.

Best for: Owners of late-model Ford EcoBoost, Duratec and Powerstroke vehicles who want monitoring, cloud tunes and 50-state legality.

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The SCT BDX 40490EO is the most feature-rich Ford option, with WiFi, live gauges and data logging. It outclasses the DiabloSport 8100 inTune i3 on modern engines, although the 8100 is the better fit for older V8 trucks and Mustang GTs.

It ranks ninth only because its fitment is narrow compared with the GM options at the top. For a Ford that falls inside its list, it is the strongest tuner here.

10. Vdaxvme ECU Booster: Best Cautious Experiment among OBD2 Performance Chip Style Boosters

• Fitment: Not listed
• Weight: Not listed
• Connection: Installs through the car's connector
• Calibration: Automatic after 200 km of driving
• Part number: ZYMIADOU

Pros:

• It is a 2-in-1 plug-in device, so installation is simple.
• Automatic calibration after 200 km removes manual setup.
• It is aimed at daily commutes and highway drives.
• Claims include smoother shifting, quieter engine operation and better throttle response.

Cons:

• No vehicle fitment, engine type or supported tune is specified.
• No emissions compliance or warranty terms are given.
• The product text is poorly written and makes broad claims without measurable specs.

Best for: Curious buyers who accept an unproven device with undocumented fitment.

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The Vdaxvme ECU Booster is the outlier on this list. Unlike the DiabloSport S1000 Sprint, which names its fitment and function, it offers no engine list, no tune description and no compliance statement.

Treat it as the wrong choice for anyone who wants verifiable results. Buyers with a defined vehicle should choose a model-specific tuner like the SCT BDX 40490EO or the DiabloSport 8200 inTune i3.

Buyer's Guide: How to Choose the Right OBD2 Performance Chip

The central trade-off is between simplicity and control. A small plug-in module like the DiabloSport S1000 Sprint changes one behavior and needs no setup, while a handheld programmer like the DiabloSport 8200 inTune i3 exposes dozens of parameters but asks you to manage updates and settings.

Before choosing, check these project details:

• Vehicle fitment: Match make, year, engine and fuel type exactly, since every tuner here is vehicle specific.
• Emissions status: Look for a stated CARB order or 50 state compliance if you live in a regulated area.
• Interface: Decide between no screen, a touchscreen or a gauge display.
• Update method: Check whether updates use USB, Wi-Fi or a computer.
• Warranty: Confirm the coverage terms before relying on them.

Vehicle Fitment and Engine Type

Fitment is the first filter. The DiabloSport 8200 inTune i3 covers Silverado and Sierra 1500 V8s, the DiabloSport 8300 inTune i3 covers 5.7L Hemi Mopar vehicles through 2014, and the DiabloSport 8100 inTune i3 covers F-150 and Mustang GT. A tuner outside its list simply will not work.

Fuel type matters as much. The Superchips Flashpaq F5 (1999-2016 GM) handles gasoline and diesel, while the Superchips Flashpaq F5 (2017+ GM) is gasoline only. Buyers of a 2019 Ram should note that the Superchips Pulsar Ram 1500 Hemi is the only listed option for that year.

Emissions Compliance and Legality

The DiabloSport 8200 inTune i3, DiabloSport 8300 inTune i3 and DiabloSport 8100 inTune i3 list CARB EO D-770. The Bully Dog 40410 GT is described as 50 state compliant, and the SCT BDX 40490EO is 50 state legal for approved applications.

Others, including both Flashpaq versions and the Vdaxvme ECU Booster, do not state compliance. If your area enforces emissions inspections, that gap matters more than a few extra horsepower.

Interface and Tuning Control

A module such as the DiabloSport S1000 Sprint has no menu. The i3 line adds a touchscreen with Easy Tune mode. The Bully Dog 40410 GT puts live data on a pillar-mount LCD, and the SCT BDX 40490EO offers full-color customizable gauges.

More control means more responsibility. Changing tire size or rev limits is useful, but a wrong setting can cause drivability problems. Choose the interface you will actually use.

Installation and Update Method

Most tuners plug into the OBD-II port in minutes. The Superchips Pulsar Ram 1500 Hemi is an inline module, so expect a different installation. Updates vary: the i3 line uses Wi-Fi with a Windows or Mac computer, the Flashpaq F5 (1999-2016 GM) uses USB, and the SCT BDX 40490EO updates wirelessly.

Before installing any tuner, make sure the vehicle's electrical system is healthy. A weak battery or corroded battery terminals can interrupt a flash and cause errors, so inspect them first.

Frequently Asked Questions About OBD2 Performance Chips

Do OBD2 performance chips really add horsepower?

Some tunes adjust throttle response, shift points and timing, which can improve drivability and sometimes power. Gains vary by engine, and the DiabloSport i3 tuners describe dyno-tested tunes for horsepower and torque. Simple modules like the DiabloSport S1000 Sprint focus on throttle response and V8 operation instead.

Are OBD2 performance chips legal?

Legality depends on the device and your state. The DiabloSport i3 tuners list CARB EO D-770, the Bully Dog 40410 GT is 50 state compliant and the SCT BDX 40490EO is 50 state legal for approved applications. Check the exact order for your vehicle before installing.

Which performance chip is best for a GM truck?

The DiabloSport S1000 Sprint suits 2005-2024 AFM engines, and the DiabloSport 8200 inTune i3 suits 1999-2016 Silverado and Sierra 1500 trucks. The Superchips Flashpaq F5 (1999-2016 GM) covers gas and diesel. Newer gasoline trucks need the Superchips Flashpaq F5 (2017+ GM).

Which tuner works for a Ram or Hemi vehicle?

The DiabloSport 8300 inTune i3 fits 2003-2014 Ram 1500, Charger, Challenger and Durango with the 5.7L Hemi. The Superchips Pulsar Ram 1500 Hemi fits the 2019 Ram 1500 with the same engine. Neither works outside those ranges.

Can I tune a newer Ford with these devices?

The SCT BDX 40490EO lists EcoBoost, Ti-VCT and 6.7L Powerstroke applications, plus several ST models. The DiabloSport 8100 inTune i3 is better for older F-150 and Mustang GT models through 2016. Always verify year, engine and trim.

Is the Vdaxvme ECU Booster a real tuner?

It does not state fitment, tune details or compliance, so it cannot be compared with the model-specific tuners. It claims automatic calibration after 200 km and a 2-in-1 design. Buyers wanting predictable results should choose a documented tuner instead.

Final Verdict: Which OBD2 Performance Chip Should You Buy?

Best OBD2 Performance Chips for most GM truck owners start with DiabloSport S1000 Sprint: a 1.76-ounce plug-in module covering 2005-2024 GM engines with Active Fuel Management, with direct OBD-II installation and a one-year limited warranty. Its main weakness is scope, because it has no screen, no adjustable calibration and no value outside AFM engines.

For other uses, the DiabloSport 8200 inTune i3 is the pick for Silverado and Sierra 1500 owners who want a touchscreen and CARB EO D-770. The Superchips Flashpaq F5 (1999-2016 GM) suits older gas and diesel trucks, and the Superchips Flashpaq F5 (2017+ GM) suits newer gasoline trucks. Ford owners should choose the DiabloSport 8100 inTune i3 for older V8 vehicles or the SCT BDX 40490EO for late-model EcoBoost and Powerstroke applications.

The specialist picks are the Bully Dog 40410 GT for multi-brand gauges, the DiabloSport 8300 inTune i3 for 2003-2014 Hemi vehicles and the Superchips Pulsar Ram 1500 Hemi for a 2019 Ram. The Vdaxvme ECU Booster lacks the documentation to recommend. If you are still undecided, confirm your exact year, engine and emissions requirements first, then choose the tuner whose fitment list names your vehicle.