Pressurize the boost leak tester with an air compressor and a tire inflator tool. How do I know if I have a Boost Leak??. It is required to use certified safety goggles. A 4” boost leak tester is not double the force, but squared.
Turbo System Leakage Tester Set Turbo Boost Leak Tester Turbo System Boost Press
3.5" PREMIUM ALUMINUM TURBO BOOST LEAK TESTER - for 3-1/2" Turbo Inlets - 89mm
TURBO BOOST LEAK TESTER SHOP KIT 4" 5" 5.5" 6" HEAVY DUTY TRUCK
TURBO BOOST LEAK TESTER SHOP KIT- SIZES 2" 2.25" 2.5" 2.75" 3" 3.25" 3.5" 4"
Universal Turbo Boost Leak Tester Shop Kit 2 2.25 2.5 2.75 3 3.25 3.5 4