High-Performance Parts for Diesel Trucks

Enhance your RAM EcoDiesel’s performance with this 3" Stainless Steel Cat & DPF Delete Pipe. Designed for off-road use, it replaces the restrictive catalytic converter and DPF filter, dramatically improving exhaust flow and boosting engine per...

Unlock the full potential of your 2018–2020 Ford Powerstroke 3.0L with this high-performance Cat & DPF Delete Pipe Kit. Built for serious performance enthusiasts, this kit removes restrictive emissions components, allowing for maximum airflow,...

The Ford Powerstroke Performance Tuner is the ultimate upgrade for enthusiasts looking to maximize power, efficiency, and control. Designed by JS Speed, this premium programmer provides unmatched performance and flexibility across multiple model y...

JS Speed tuning credits serve as the digital currency that unlocks your vehicle’s true potential. Each credit allows you to license and fine-tune specific vehicle modules, ensuring performance is precisely tailored to your driving style. How It W...

The Duramax L5P CAN BUS Plug Kit is an essential upgrade for 2017+ Chevrolet Silverado and GMC Sierra L5P 6.6L diesel trucks undergoing delete tuning. Designed to keep your truck’s ECM functioning correctly, it prevents faulty signals after removi...

Unlock stronger torque, sharper throttle response, and real-world drivability gains. This L5P tuning package is designed for 2017–2025 Chevrolet Silverado and GMC Sierra 2500HD / 3500HD trucks equipped with the 6.6L Duramax. Choose between Switch-...

Bring out the best in your 2020+ Jeep Wrangler or Gladiator EcoDiesel with our bench-flash delete tuning. This tuning solution removes restrictive EGR/DPF codes, unlocking more power and efficiency for your off-road and race applications. Vehicle...

Unlock your 2014–2019 Jeep Grand Cherokee EcoDiesel 3.0L with our bench-flash delete tuning service. This process disables restrictive EGR/DPF codes, delivering improved power and efficiency tailored for off-road and race applications. Vehicle Fit...

Maximize your RAM 1500 EcoDiesel’s performance with our bench-flash delete tuning service. Designed for off-road and race enthusiasts, this tuning disables restrictive EGR/DPF codes, unlocking superior power, drivability, and efficiency. Vehicle F...

Boost performance and reliability with this passenger side up-pipe for 2001–2016 Duramax 6.6L engines. Featuring a larger 2" diameter and durable stainless steel construction, this up-pipe replaces the OEM pipe that often develops leaks at the bel...

Take control of your Chevrolet Silverado or GMC Sierra 2500/3500 6.6L Duramax with a pre-modified, unlocked E41 ECM. This upgrade enables advanced tuning without the hassle of traditional modifications, giving you more performance and full flexibi...

Upgrade your 2015–2016 Ford Powerstroke 6.7L with this full delete kit designed to completely remove the EGR and cooler system. Built for off-road performance, this kit improves engine efficiency, reduces maintenance issues, and extends engine lif...

Unlock superior performance for your Ford Powerstroke 6.7L with this DPF delete pipe. Designed to remove the restrictive catalytic converter and DPF filter, this 4" stainless steel system delivers improved airflow, cooler exhaust temps, and more p...

Take control of your transmission performance with a fully optimized TCM tuning solution for the L5P Duramax. This TCM Tune is designed specifically for 2017–2023 Chevrolet Silverado and GMC Sierra 2500HD/3500HD trucks equipped with the 6.6L Dura...

Over time, contaminants like casting sand, metal shavings, and rust can build up in your coolant system. These particles can damage your water pump and clog small passages in the EGR and oil cooler. The 6.7 Powerstroke Coolant Filter Kit actively ...

Take your L5P GM Duramax Silverado or Sierra to the next level with JS Speed’s unlocked T87A & T93 TCMs. Designed for both 8-speed and 10-speed transmissions, these TCMs deliver unmatched customization, quicker shifting, and maximum reliabilit...

Unlock the full potential of your 2007.5–2009 RAM 2500 or 3500 with this all-in-one delete kit. Designed for off-road performance, this package removes restrictive emissions components, improves airflow, and delivers advanced tuning to maximize p...

Upgrade your 2003–2007 Ford Powerstroke 6.0L with the proven “Blue Spring” fuel pressure regulator kit. This simple yet effective modification increases fuel pressure to optimal levels, protecting injectors and ensuring consistent performance over...

Unlock full airflow, lower EGTs, and restore reliability with a complete Cummins delete solution. This all-in-one delete kit is built for 2013–2021 Ram 6.7L Cummins trucks, removing restrictive DPF, DEF, and EGR systems to deliver stronger perform...

Upgrade your 2.8L Duramax Canyon or Colorado with this Flo-Pro 3" turbo-back exhaust system. Built for competition use, this system delivers maximum flow by replacing your restrictive OEM exhaust with a high-performance aluminized steel design. En...

Upgrade your 2008–2010 Ford Powerstroke 6.4L with this complete exhaust manifold and up-pipe kit. Designed as a direct replacement for restrictive or cracked OEM components, this kit improves exhaust flow, restores lost performance, and delivers l...

Introduction The Jeep Grand Cherokee EcoDiesel 3.0L - Cat & DPF Delete Pipe (2014-2018) replaces the factory downpipe to remove the catalytic converter and DPF for maximum off-road flow. Expect quicker spool, better engine efficiency and stro...

Add the finishing touch to your vehicle’s exhaust system with our polished steel or satin black exhaust tip. Designed for universal applications, these tips are easy to install using the included clamping bolt, or you can tack-weld for a permanent...

Transform your 2013–2021 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 ...