Stealth Boost Tester Faceplate Adapter

Features:

• Heavy-duty regulator for reliable pressure control
• Precision testing for accurate boost diagnostics
• CNC-cut faceplate ensures exact fitment
• Detects leaks in stock or modified systems
• Clean and professional under-hood appearance
• Easy to install and use in any garage
• Made from high-quality, durable materials
• Designed specifically for Duramax LB7 engines
• Saves time when diagnosing performance issues
• Helps improve fuel economy and power
• Built for long-term shop or personal use
• Provides total confidence in boost system integrity

Say Goodbye To Guesswork And Hello To Boost Control

Ever feel like your LB7 just isn’t pulling like it should? That sluggish throttle response or missing top-end power might not be a tune issue, it could be a hidden boost leak. The Stealth Boost Tester Faceplate Adapter is the tool you need to find it fast and fix it right. Built specifically for the 2001-2004 GM Silverado and Sierra 2500HD/3500HD with the 6.6L Duramax LB7, this tester lets you put your entire intake system to the test. It connects easily and securely, giving you confidence that your system is holding pressure where it should. With a heavy-duty regulator and an intelligently designed faceplate, this kit delivers professional-level results whether you’re in your driveway or at the shop. Even if your setup is bone stock, there could be leaks hiding in the turbo cover or couplers. Using this tool gives you peace of mind and gets your truck back to full strength, ready to haul, tow, or hit the open road without holding back.

Designed For The Duramax That Demands Precision

The Tuner 1102F001 Stealth Boost Tester Faceplate Adapter is engineered for accuracy and durability. Built to work seamlessly with 2001-2004 Duramax LB7 engines, this faceplate tester mounts cleanly to the compressor cover, offering a snug and leak-free seal for boost pressure testing. Its CNC-machined construction ensures a perfect fit, allowing you to apply controlled air pressure without distortion or shifting under load. The included heavy-duty regulator gives you the ability to dial in your desired test pressure with confidence, replicating real-world boost conditions safely and efficiently. Whether you’re tracking down a stubborn pressure drop or verifying the integrity of a recent install, this tester provides precise feedback you can trust. It’s ideal for identifying leaks in intercooler piping, intake boots, and even factory connections that often go overlooked. With premium-grade materials and thoughtful design, this kit is a long-term solution for keeping your turbo system sealed and your performance on point.

Fits: 2001, 2002, 2003, 2004 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LB7

Notes:

• Specifically designed for 2001-2004 Duramax LB7 engines
• Faceplate adapter fits directly onto turbo compressor cover
• Ideal for identifying hidden boost leaks in the intake system
• Helps diagnose power loss, poor mileage, or slow spool-up
• Works with stock or modified turbo configurations
• Useful for routine checks or post-upgrade validation
• Heavy-duty regulator included for controlled pressure testing
• Does not require permanent modifications to your truck
• Great tool for at-home mechanics and professional shops
• Recommended for diagnosing leaks before tuning or upgrades