Top Sellers

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...

Unlock the full power of your Sprinter with this high-performance DPF delete kit, designed for durability and efficiency. This 3" exhaust system is built for 2010–2018 Mercedes Sprinter 2500 & 3500 vans equipped with a 3.0L diesel engine. Deve...

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...

Eliminate EGR problems and unlock cleaner, more reliable performance for your 6.4L Powerstroke. The EGR Valve & Cooler Delete Kit for the 2008–2010 Ford Powerstroke 6.4L is a proven solution for eliminating the clogged or leaking EGR systems t...

Unlock performance and airflow with a durable 4” stainless race pipe built for off-road Cummins power. The Ram Cummins Cat & DPF Delete Pipe is a 4” stainless steel race pipe engineered for 2019–2024 Ram 2500 and 3500 pickups. Designed for off...

Upgrade your GMC Sierra or Chevrolet Silverado 2500/3500 with this comprehensive All-in-One Duramax LML tuner and DPF delete kit, designed for 2011–2016 6.6L Duramax diesel engines. Engineered for maximum power, reliability, and efficiency, this ...

Unlock the full potential of your 2008–2010 Ford F-250, F-350, F-450, or F-550 6.4L Powerstroke with this complete All-In-One DPF/DEF/EGR Delete Kit. Designed for off-road applications, this package includes everything you need to maximize perform...

Unleash your Duramax with a stainless 4” race pipe designed for maximum flow and reliability. This 4” Stainless Steel DPF Delete Pipe is purpose-built for 2015.5–2016 GMC Sierra and Chevy Silverado 2500/3500 HD trucks with the 6.6L Duramax engine....

Trust. Whether it's your engine builder, team members or EFI System, trust is earned, not given. When your expensive engine, sponsorship and reputation are on the line, trust your engine monitoring to the Holley EFI 12.3" Pro Dash.Monitor the powe...

Add even more power to your Gen III Hemi engine with a Holley Hi-Ram intake manifold. This cast intake manifold has large intake ports - fits 2009-up 5.7L, 2005-2010 6.1L & 2011-up 6.4L engines.The Holley Hi-Ram intake manifold is for high-per...

  Our CNC-Made Turbo Flange T4 to 3-Inch V-Band adapter is designed to provide a secure, high-performance connection between your turbo and exhaust system. Crafted using precision CNC machining, this flange ensures a perfect fit and exceptional du...

Holley continues to push the envelope of intake design with its latest offering. The unique look of this intake will surely stand out from the crowd!Our latest release of fabricated "Dual Plenum" intake manifolds for GM LS1/2/6 and LS3/L92 engines...

This kit is designed for 2014–2017 Jeep Grand Cherokee EcoDiesel models and comes equipped with the new Iron Loader V2 Flash Tuner for seamless Bluetooth tuning via the PowerGate mobile app. It includes all the core components required to remove ...

Holley's Sniper Stealth 4150 Master Kit gives you carburetor styling but functions just like the Sniper! A 4150 stealth is a great way to upgrade your ride to fuel injection in a cost-efficient way with just 4 simple connections required. Take you...