As the title says. I know some of you make these by taking a trip to Home Depot. But for the price it is hard to pass up especially if you are lazy to build one or lack the skills to do it. Personally I fall in the lazy category. Either way this is something nice to have in your tool box. Enjoy!

Boost Leak Tester (Gauged)
3" Diameter
With Tire Valve Adapter
$20 + $4.60 shipping

http://www.boostpro.net/prodtester.html

 

i still like mines better! its solid compared to this one hahahaha