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Holley Terminator X MAX engine management systems let you take control of your domestic V8 engine. They give you complete charge of your engine and self-learning fuel strategies, along with the proven, race-winning technology of Holley EFI—all at a budget-friendly price! Every MPFI Terminator X MAX features real-time fuel learn, high-impedance injector drivers, an integrated one-bar MAP sensor—and four programmable inputs and outputs, ideal for electric fans, boost control solenoids, progressive nitrous control, and much more. Also, Holley offers the X MAX systems with either or both drive-by-wire (DBW) throttle body control or transmission control. All kits come fully loaded with base maps for common domestic V8 engine combinations to get you out of the garage and onto the road or track fast. Order the model recommended for your vehicle application. Features include: * Holley EFI industry-leading, easy-to-use software suite allows full laptop access for advanced users * Real-time fuel map learn—takes the guesswork out of tuning your base fuel table * High-impedance injector drivers will safely power most standard injectors and Holley EFI injectors (will not control low-impedance injectors) * Bosch LSU 4.9 wideband relays AFR information to the ECU for accurate reading and precise tuning control * On-board one-bar MAP sensor is perfect for N/A or nitrous engine combos * MAP sensor vacuum hose adapters * 4 inputs: 12 V, ground, 5 V, and frequency * 4 outputs: Ground, PWM, and for accessories * Boost control: boost vs. time, boost vs. gear, boost vs. rpm, boost vs. speed, and boost safeties * Nitrous control: single channel of wet or dry, progressive or non-progressive, rich/lean safeties, and target closed loop AFR; adjustable through touch screen * Advanced tables can be used for any custom tables * On-board diagnostic LEDs allow you to identify any critical engine issues at a glance * The compact ECU size allows you to mount it virtually anywhere. Remember, diagnostic LEDs must face up! * Plug-and-play compatible with more Holley EFI accessories * Available with or without a 3.5 in. touch screen LCD hand-held with easy-to-use calibration wizard; allows you to quickly build a base tune for most V8 engines, as well as tuning and gauge display functions
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$2,499.95
$2,023.95
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$3,249.95
Holley Off-Road has been working hard to bring innovation and incredible products to your Ram 1500 platform. These Performance Packages by Holley are a comprehensive performance upgrade kit tailored for 2019-2024 Ram 1500 pickups. The suspension upgrades feature ADS Racing Shocks Mesa 2.5 Series shocks, which are larger than stock, providing increased fluid capacity to prevent shock fade and deliver exceptional off-road durability combined with commuter comfort. The kit also includes a Flowmaster Signature Series exhaust system, known for its hand-welded 304 stainless steel construction and balanced sound profile, offering an aggressive yet moderate tone. Additionally, each package is equipped with a tuner suited for each model year, including DiabloSport PredatorX, Intune 3, and DFM Module + Amp'd Throttle Boost Kit, all of which provide pre-loaded tunes and customization options for optimal performance. Finally, Big Claw Performance rotors are included, designed for improved braking performance and enhanced cooling to ensuring safety and reliability during high-performance driving. Gear up your 2019-24 Ram 1500 pickup for your next off-road adventure with one of these complete Performance Package upgrades from Holley Off-Road.
Not Yet Reviewed
$5,043.95
Gear up for your next off-road adventure with complete Performance Package upgrades from Holley Off-Road. They deliver performance systems from exhaust to brakes, tuners, suspension, and more, and their products are engineered to work together, ensuring you have everything you need to have fun on and off the road. Holley Off-Road 2014-18 Chevy/GMC performance packages are comprehensive upgrades specifically tailored to these pickups. The suspension upgrades feature ADS Racing Mesa 2.5 Series shocks, which are larger than stock, providing increased fluid capacity to prevent shock fade and deliver exceptional off-road durability combined with commuter comfort. The kits also include a Flowmaster Signature Series exhaust system, known for its hand-welded 304 stainless steel construction and balanced sound profile, offering an aggressive yet moderate tone. Additionally, these packages are equipped with a DiabloSport PredatorX, which provides pre-loaded tunes and customization options for optimal performance. Finally, the Big Claw performance rotors, designed for improved braking performance and enhanced cooling, ensure safety and reliability during high-performance driving. Features: * ADS Mesa 2.5 in. front coilovers: Premium shock absorbers are designed for maximum durability and performance, featuring a UV-stable ceramic powdercoated steel shock body and black anodized billet aluminum top and bottom caps. * ADS Mesa rear shocks: Filled with premium full synthetic shock oil, the shock absorber incorporates an internal floating piston (IFP) to ensure consistent damping performance, improved responsiveness, and increased longevity. * Flowmaster Signature Series exhaust: Premium exhaust system is TIG welded for a stronger, more precise weld that looks as good as it sounds. * Diablosport PredatorX: PredatorX is the latest in tuning technology. Using your smartphone, you can interface with PredatorX through our mobile app and handle all of your tuning needs, right from your pocket. * Baer Brakes: Baer Brakes Claw combo kits are a great way to improve your vehicles braking performance and overall appearance at an affordable price.
Not Yet Reviewed
$4,118.95
Gear up for your next off-road adventure with complete Performance Package upgrades from Holley Off-Road. They deliver performance systems from exhaust to brakes, tuners, suspension, and more, and their products are engineered to work together, ensuring you have everything you need to have fun on and off the road. Holley Off-Road 2019-22 Chevy/GMC performance packages are comprehensive upgrades specifically tailored to these pickups. The suspension upgrades feature ADS Racing Mesa 2.5 Series shocks, which are larger than stock, providing increased fluid capacity to prevent shock fade and deliver exceptional off-road durability combined with commuter comfort. The kits also include a Flowmaster Signature Series exhaust system, known for its hand-welded 304 stainless steel construction and balanced sound profile, offering an aggressive yet moderate tone. Additionally, these packages are equipped with a DiabloSport InTune 3, which provides pre-loaded tunes and customization options for optimal performance. Finally, the Big Claw performance rotors, designed for improved braking performance and enhanced cooling, ensure safety and reliability during high-performance driving. Features: * ADS Mesa 2.5 in. front coilovers: Premium shock absorbers are designed for maximum durability and performance, featuring a UV-stable ceramic powdercoated steel shock body and black anodized billet aluminum top and bottom caps. * ADS Mesa rear shocks: Filled with premium full synthetic shock oil, the shock absorber incorporates an internal floating piston (IFP) to ensure consistent damping performance, improved responsiveness, and increased longevity. * Flowmaster Signature Series exhaust: Features a 3.00 in. inlet pipe leading into a TIG-welded 304 stainless steel Signature Series "straight-through" muffler for great sound and maximum performance. * Diablosport InTune 3 GM tune: Includes industry leading inTune 3 handheld tuner, along with the locksmith device and harnesses required to unlock both the ECM and TCM in your truck * Baer Brakes: Baer Brakes Claw combo kits are a great way to improve your vehicles braking performance and overall appearance at an affordable price.
Not Yet Reviewed
$4,477.95
On Sale
Holley Sniper EFI Stealth 4500 fuel injection systems are what you need to convert your dragster or Pro-street vehicle to fuel injection. For engines producing 800+ hp, the Sniper Stealth 4500 systems feature eight 100 lbs./hr. injectors and a throttle body that flows a massive 1,440 cfm. These Holley systems come with a USB to CAN tuning cable and free downloadable Sniper EFI software to give you unlimited control of your engine. Holley Sniper Stealth 4500 systems will also look great under the hood in your choice of shiny, ceramic black, and classic gold finishes. Features and benefits include: * Supports up to 1,500 hp naturally aspirated or 1,250 hp forced induction with eight 100 lbs./hr. injectors * Compatible with draw-through or blow-through forced induction applications * 2.125 in. throttle plates, flow 1,440 cfm for large cubic inch engines * 2.5Bar MAP sensor * Integrated ignition timing control * Programmable launch control via 2-step and timing retard. Both can be triggered by a trans-brake input * Gen 3 Ultra Dominator-style 4-bolt air cleaner flange * -8AN fuel inlets * High-resolution full color touchscreen for initial setup, tuning, and gauge displays * Simple calibration wizard--answer a few questions about your engine and it creates the base map, then starts tuning on its own! No laptop required * Self-tuning ECU means you don't have to be a computer/tuning wiz to have EFI * The included genuine Bosch LSU 4.9 wideband oxygen sensor provides real time Fuel Map Learn * Built-in single-stage wet or dry progressive nitrous control * Three programmable 0-5 V sensor inputs for oil/fuel/dome or nitrous pressure or other critical information * Six programmable ground outputs, five programmable ground inputs. These can be used to trigger or control external devices, such as nitrous solenoids and boost control solenoids. Or to provide the ECU with an input to turn on function, such as an ignition timing * One +5 V reference output, +5 V power supply for 0 to 5 V sensors, one sensor ground supply for 0 to 5 V sensors * Throttle body mounted ECU--no extra boxes to mount * Only 4 wiring connections required--battery +, battery -, switched ignition, and rpm * Required external fuel pressure regulator, 12-848 is recommended * Customizable secondary fuel pump output (TPS, rpm, or boost enabled) * User-friendly boost control with handheld adjustability * Free software included--comprehensive data logging tool to help you maximize the performance of your engine * Real-time data logging to the included 3.5 in. touch screen allows you to save information to the SD card without needing a communication cable * Programmable target air fuel ratios per boost level * Advanced boost control available via free Sniper EFI tuning software, including boost vs. rpm and boost vs. time * OEM-style TPS/IAC, for years of dependable service * Included clamp-on oxygen sensor kit ensures a leak-free oxygen sensor installation, with stainless steel T-bolt clamps and a stainless steel (weldable) oxygen sensor flange
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$2,149.95
Gear up for your next off-road adventure with complete Performance Package upgrades from Holley Off-Road. They deliver performance systems from exhaust to brakes, tuners, suspension, and more, and their products are engineered to work together, ensuring you have everything you need to have fun on and off the road. Holley Off-Road 2016-23 Toyota Tacoma performance packages give your vehicle a major performance boost in key areas like suspension and exhaust. The ADS Mesa front and rear shocks improve ride quality and control, making sure you're set up for a smoother, more stable drive whether you're cruising or off-roading, while the ADS tubular front upper control arms help with suspension strength and geometry, ensuring better handling and alignment for more precise driving. Making your vehicle really stand out is the Flowmaster Outlaw Extreme cat-back exhaust system that boosts your engine's output while giving you that unmistakable Flowmaster aggressive sound. Together, these parts work in sync to improve how your vehicle handles, performs, and sounds, creating a more exciting and capable driving experience. Enhance power, control, and style with the expertly crafted components in a Holley Off-Road performance package. Features: * ADS Mesa 2.5 front shocks: The large bore 2.50 in. shock body increases fluid capacity, effectively resisting shock fade to boost off-road performance. Fully rebuildable. * ADS Mesa 2.5 rear shocks: Internal floating piston (IFP) ensures consistent damping performance, improved responsiveness, and increased longevity and reliability. * ADS tubular front upper control arms: Accommodate lifts to 4 in., correct camber and caster for a smoother ride, and are fully rebuildable, making them a sustainable and long-lasting upgrade. * Flowmaster Outlaw Extreme cat-back exhaust systems: Features Outlaw Series muffler for a deep powerful sound and increased performance.
Not Yet Reviewed
$3,350.95
Gear up for your next off-road adventure with complete Performance Package upgrades from Holley Off-Road. They deliver performance systems from exhaust to brakes, tuners, suspension, and more, and their products are engineered to work together, ensuring you have everything you need to have fun on and off the road. Holley Off-Road 2022.5-24 Chevy/GMC performance packages are comprehensive upgrades specifically tailored to these pickups. The suspension upgrades feature ADS Racing Mesa 2.5 Series shocks, which are larger than stock, providing increased fluid capacity to prevent shock fade and deliver exceptional off-road durability combined with commuter comfort. The kits also include a Flowmaster Signature Series exhaust system, known for its hand-welded 304 stainless steel construction and balanced sound profile, offering an aggressive yet moderate tone. Additionally, these packages are equipped with a DiabloSport DFM Module + Amp'd throttle boost kit, which provides pre-loaded tunes and customization options for optimal performance. Finally, the Big Claw performance rotors, designed for improved braking performance and enhanced cooling, ensure safety and reliability during high-performance driving. Features: * ADS Mesa 2.5 in. front coilovers: Premium shock absorbers are designed for maximum durability and performance, featuring a UV-stable ceramic powdercoated steel shock body and black anodized billet aluminum top and bottom caps. * ADS Mesa rear shocks: Filled with premium full synthetic shock oil, the shock absorber incorporates an internal floating piston (IFP) to ensure consistent damping performance, improved responsiveness, and increased longevity. * Flowmaster Signature Series exhaust: Features a 3.00 in. inlet pipe leading into a TIG-welded 304 stainless steel Signature Series "straight-through" muffler for great sound and maximum performance. * DFM + Amp'd pedal controller: Take control of your driving experience with the Range DFM module and Amp'd throttle controller kit, designed exclusively for new GM trucks (2022.5-2025 1500 V8 and SUVs 2021-2024 V8). * Baer Brakes: Each kit includes a pair of direct replacement Baer Claw slot, drilled and zinc-plated rotors, a set of Baer Claw ceramic performance street pads and stainless steel abutment and noise suppression hardware.
Not Yet Reviewed
$4,162.95
Gear up for your next off-road adventure with complete Performance Package upgrades from Holley Off-Road. They deliver performance systems from exhaust to brakes, tuners, suspension, and more, and their products are engineered to work together, ensuring you have everything you need to have fun on and off the road. Holley Off-Road 2005-15 Toyota Tacoma performance packages target key areas of suspension, exhaust, and throttle response. The ADS Mesa front and rear shocks improve ride quality and handling, providing a smoother, more controlled driving experience whether on or off-road, while the ADS tubular front upper control arms enhance suspension geometry, allowing for better alignment and more precise handling. To amplify your Tacoma's exhaust performance, the Flowmaster Outlaw Extreme cat-back exhaust system offers increased horsepower and a deep, aggressive exhaust tone. Finally, the AEM throttle control module improves throttle response, ensuring quicker and more precise acceleration. Together, these parts complement one another, creating a well-rounded and highly responsive vehicle that can handle whatever you throw at it. Features: * ADS Mesa 2.5 front shocks: Designed for maximum durability and performance, featuring a UV-stable ceramic powdercoated steel shock body and black anodized billet aluminum top and bottom caps. * ADS Mesa 2.5 rear shocks: Internal floating piston (IFP) ensures consistent damping performance, improved responsiveness, and increased longevity and reliability. * ADS tubular front upper control arms: Accommodate lifts to 4 in., correct camber and caster for a smoother ride, and are fully rebuildable, making them a sustainable and long-lasting upgrade. * Flowmaster Outlaw Extreme cat-back exhaust systems: Features Outlaw Series muffler for a deep powerful sound and increased performance. * AEM throttle control module: Improves throttle response and transforms the feel of the vehicle
Not Yet Reviewed
$3,646.95
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