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Fiat Boost Leak Testers

Vehicle-specific boost leak testers for Fiat.

Order by 5pm PST / 8pm EST Mon–Fri or 2pm PST / 5pm EST Sat and it ships same day!

Not sure which one fits?

Check the engine and year in the product name, or text us a photo of your setup and we'll point you to the right kit.

Boost leak testing your Fiat

We make one Fiat tester, in billet aluminum, for the 500 Abarth 1.4L Turbo. It fits the stock turbo inlet and comes with a liquid-filled gauge and an air fitting, so you can fill it from shop air. The 1.4L MultiAir makes a lot of boost for its size, so a small leak in a coupler, the intercooler or the bypass valve shows up quickly as lost power, slower spool and sometimes an underboost code. Fit the tester at the turbo inlet, start at 5 PSI and work up slowly toward your normal boost while you listen and spray soapy water on every joint. Running an upgraded turbo or an aftermarket intake? Measure the outside diameter of your turbo inlet and pick a universal tester in that size. Have a different turbo Fiat, such as the 124 Spider? Text us what you drive and we'll tell you what fits.