Tuner 1102F004 Stealth Boost Tester Faceplate Adapter | 2017-2022 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Features:

• Built for 2017-2022 GM Duramax L5P engines
• Faceplate adapter fits turbo compressor cover perfectly
• Heavy-duty regulator allows safe pressure testing
• CNC precision-cut for consistent, secure fitment
• Detects leaks in stock or modified systems
• Helps restore lost power and fuel efficiency
• Clean, professional under-hood appearance
• Installs easily without permanent modifications
• Designed for repeated use and long-term reliability
• Excellent tool for DIY or professional diagnostics
• Helps pinpoint leaks quickly and accurately
• Made from premium-quality, durable materials

Trust Your Boost System Like You Trust Your Truck

If your L5P Duramax isn’t performing like it used to, there’s a good chance you’ve got a boost leak robbing you of power. The Stealth Boost Tester Faceplate Adapter is your best tool for chasing down those hidden leaks and getting your truck back to full strength. Whether your Silverado or Sierra is bone stock or running a few upgrades, even small air leaks can lead to noticeable power loss, sluggish response, or poor fuel economy. This tool helps you test the system from the compressor cover forward, giving you the confidence to know your setup is solid. It connects cleanly, fits perfectly, and makes the process simple whether you’re working in your garage or at a shop. With a heavy-duty regulator and thoughtfully designed components, it lets you safely pressurize the system and pinpoint problems before they get worse. Once you’ve used it, you’ll wish you had it sooner, especially if you’ve been chasing down boost issues the hard way.

Engineered To Test With Accuracy And Control

The Tuner 1102F004 Stealth Boost Tester Faceplate Adapter is specifically designed to work with 2017-2022 GM Silverado and Sierra 2500HD and 3500HD trucks equipped with the 6.6L Duramax L5P engine. It attaches directly to the turbocharger compressor cover, providing a tight and reliable seal that allows for accurate pressure testing across the charge air system. Each adapter is CNC-machined to ensure a precise fit and repeatable performance. The included heavy-duty regulator allows you to control test pressure with confidence, mimicking real-world boost levels without risking damage to system components. This makes it an ideal diagnostic tool for identifying leaks in intercooler piping, boots, clamps, and couplers, areas that can often go unnoticed until performance starts to drop off. Built from premium-grade materials, the tester is designed for long-term durability and frequent use. Whether you're running diagnostics after a recent install or doing routine maintenance, this faceplate adapter helps ensure your boost system is sealed and performing as intended.

Fits: 2017, 2018, 2019, 2020, 2021, 2022 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Notes:

• Designed for 2017-2022 Duramax L5P engines only
• Mounts directly to the turbo compressor cover
• Used to diagnose potential boost leaks in the charge system
• Helps resolve performance loss and poor throttle response
• Test setup does not require permanent modifications
• Compatible with both stock and modified systems
• Heavy-duty regulator included for safe pressure control
• Great for verifying boost system integrity after upgrades
• Recommended for preventative maintenance and troubleshooting
• Ideal for at-home mechanics or professional diesel shops