GM Duramax L5P 6.6L (2001-2025)

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

Unleash maximum airflow and aggressive performance with the Black Bandit Downpipe-Back Race Exhaust System. Built for 2017–2023 Chevrolet Silverado and GMC Sierra 2500HD/3500HD trucks equipped with the 6.6L Duramax L5P engine, this stainless steel...

Unlock more power and efficiency from your 2017–2023 Chevrolet Silverado & GMC Sierra 2500/3500HD 6.6L Duramax L5P with this 3.5" turbocharger downpipe upgrade. By fully removing the Diesel Oxidation Catalyst (DOC), this pipe maximizes exhaust...

Introduction Protect exposed wiring after emissions modifications with the Duramax DPF Delete Plug Kit (2011-2023). Designed for GM/Chevy 6.6L LML, LGH, L5P and L5D engines, this kit seals unused exhaust and EGR connectors to block out moisture, ...

Bring back the boost your Duramax was built to make. If your turbo is showing signs of wear—slow spool, inconsistent power, or oil-related issues—this direct-fit replacement restores strong, predictable performance. Built for work-truck duty and d...

Unlock airflow and performance in your 6.6L Duramax. This 4-inch stainless steel delete pipe replaces the factory catalytic converter and diesel particulate filter (DPF). Designed strictly for off-road and competition use, it reduces exhaust restr...

Eliminate heat, soot, and failure pointsThis EGR & Cooler Delete Kit is engineered for 2017–2025 Duramax L5P 6.6L trucks to remove the factory EGR system, reducing exhaust gas temperatures and improving engine efficiency. Designed for off-road...

Replace the factory CCV weak points with billet reliability. This CCV Upgrade Kit is designed for 2017–2024 6.6L Duramax L5P trucks and replaces the failure-prone OEM plastic crankcase ventilation/PCV box with precision-machined billet aluminum co...

Upgrade airflow and durability at the turbo inlet.This steel turbo intake horn replaces the brittle OEM plastic inlet found on 2017–2025 GM 6.6L Duramax L5P trucks. Finished in black powder coat and built to withstand heat, vibration, and high-boo...

Increase flow. Reduce heat. Eliminate factory weak points. These 2” stainless steel up-pipes are engineered for 2017–2024 6.6L Duramax L5P trucks, replacing the restrictive factory 1-5/8” piping. Built for improved exhaust flow and long-term durab...

Improve airflow and long-term reliability by eliminating the restrictive factory EGR cooler on your L5P Duramax. This EGR Delete Kit is designed for 2017–2023 GM HD trucks equipped with the 6.6L L5P Duramax engine. By removing the factory EGR cool...

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...

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...

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...

Unlock the full potential of your L5P Duramax with the Black Bandit TCM Tuning Add-On Bundle. This complete package combines an unlocked TCM, specialized tuning files, and tuning credits—providing the ultimate upgrade for smoother shifts, stronge...

Introduction GM Duramax L5P All-In-One Delete Kit (2017-2025) is built for owners who want a complete, tuner-ready off-road solution without piecing together hardware, tuning and exhaust from multiple sources. This L5P delete kit is designed to a...