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Unleash the full potential of your 6.0L Powerstroke with this Turbo Back Race Exhaust System, available in both 4" and 5" stainless steel options. By removing restrictive emissions components such as the catalytic converter and DPF filter, this sy...

Upgrade your Duramax with a 4" or 5" Downpipe-Back Race Exhaust System designed to maximize exhaust flow and off-road performance. Built from high-grade stainless steel, this system removes restrictive factory components, improving power, throttle...

Improve your truck’s breathing and throttle response with this Cold Air Intake System, designed specifically for RAM Cummins 6.7L trucks. Featuring precision mandrel-bent tubing and an oversized cotton filter, this intake reduces air restrictions ...

Transform your 2013–2021 RAM Cummins 6.7L into a high-performance machine with this complete all-in-one delete kit. By removing restrictive DPF, DEF, and EGR systems, this kit delivers improved airflow, cooler exhaust temps, and more reliable off-...

Upgrade your Ford Super Duty with the 4" Filter-Back Exhaust system, engineered to improve exhaust flow, boost power, and enhance durability. Designed for 2011–2024 Ford F-250, F-350, and F-450 models, this premium stainless steel exhaust is the p...

Introducing the next generation Evolution CTS3: all-new, full-Color Touch Screen CTS3. The CTS3 will continue to include all of the great features, benefits, and extended coverage from the CTS2 product line, all while adding a sleek, new exterior ...

We are happy to announce all-new cast zinc pillar display mounts available for order now to offer a more permanent and vehicle specific mount for our CTS3 based devices. These mounts have been specifically engineered for an OEM look and fitment to...

Designed to work with the 565-300 HyperSpark distributors with a clockwise rotation, used in many applications. Tool was created to assist in aligning the housing to the rotor for the correct reference angle.Features: Small indicator to point out ...

Boost your Powerstroke’s efficiency, reliability, and performance by eliminating the restrictive factory EGR system. Vehicle Compatibility 2011 Ford F250/F350/F450/F550 6.7L Powerstroke 2012 Ford F250/F350/F450/F550 6.7L Powerstroke 2013 Ford F25...

This in-tank fuel pump module is a high-pressure unit that flows 255 liters per hour (LPH) and is capable of supporting EFI (electronic fuel injection) engines producing up to 550 horsepower. Fuel pressure is internally regulated to 58 psi elimina...

Unleash the full performance of your 2017–2023 Duramax 6.6L L5P with the Black Bandit Downpipe-Back Race Exhaust System. Starting directly from the downpipe, this exhaust eliminates the factory catalytic converter and DPF filter for maximum airflo...

Eliminate EGR system issues, increase efficiency, and extend your Duramax’s engine life. Vehicle Compatibility 2006 GMC Sierra 2500/3500 6.6L Duramax LBZ 2007 GMC Sierra 2500/3500 6.6L Duramax LBZ 2006 Chevrolet Silverado 2500/3500 6.6L Duramax L...

Transform your 2013–2020 RAM Cummins Cab & Chassis truck with this complete all-in-one delete kit. By removing restrictive DPF, DEF, and EGR systems, you unlock significant power gains, enhanced efficiency, and extended engine life—all in one ...

Unlock the full potential of your Ford Powerstroke with this all-in-one exhaust upgrade bundle. Designed for 2011–2024 Ford F-250, F-350, and F-450 Super Duty trucks, this package includes both a Cat & DPF Delete Pipe and a 4" Filter-Back Exha...

Discover Flexibility with the Autocal V3 DPF Delete Tuner – The Foundation of Custom Tuning! Unlock the full potential of your vehicle with the Autocal V3 DPF Delete Tuner. This device provides ultimate flexibility, especially for those who prefer...

Unterminated 16 injectors MPFI harness Terminated at injector connectors (Bosch style). Harness must be assembled and require crimping Metripak150 connectors. Includes all connectors, pins, terminals, and loom needed. for HP EFI & Dominator EF...

The unterminated main harness comes with both J1A and J1B connectors full terminated with 15' of flying lead wiring.Features: Unterminated 15’ long flying lead harness 60 Holley Crimped Wires (57x 20 ga, 3x 18 ga) 30 optional plug seals Specs: Br...

Finally, an affordable Coyote intake manifold that also performs! The Hi-Ram and Ultra Lo-Ram are designed to fit stock bolt pattern OE heads found on the 2011-2023 Ford 5.0 Coyotes and related engine families, such as, Voodoo and Predators. These...

Finally, an affordable Coyote intake manifold that also performs! The Hi-Ram and Ultra Lo-Ram are designed to fit stock bolt pattern OE heads found on the 2011-2023 Ford 5.0 Coyotes and related engine families, such as, Voodoo and Predators. These...

Replacement main wiring harness for Terminator EFI kits 550-405 and 550-406.Specs: Brand: Holley EFI Category: Engine Connector Color: Black Emission Code: 3 Grade Type: Performance Part Type: Engine Control Module (ECM) Wiring Harness Prod...

Holley EFI Wiring Shop just keeps getting better! We have one goal, to provide you a one stop solution for all of your wiring components needs. From connectors and pins to wire loom and tools! We have everything you need to build or service your H...

Introducing EFI Engine Connector Kits - From Holley EFI. With the latest addition to our ever-expanding Wiring Shop, our goal was to provide you with every engine connector used on the Holley EFI main harnesses. If you are building a custom engine...

Ideal for connecting any Sniper 2 EFI M8 accessories such as the Bluetooth Module, 5" Sniper 2 Dash, or 12.3" and 6.86" Pro DashSpecs: Brand: Holley EFI Category: Electrical, Lighting and Body Color: Black Connector Type: M8 Emission Code: 5 ...

If you already have your own wire and simply need the connectors and pins, we have you covered with our new ECU connector and pins kit, allowing you to fully terminate your own custom main harnesses!Features: Pre-Terminated J1A and J1B Tyco Supers...