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I'm a subaru fan for a long time, but never tried to put any of perrin parts on my cars.
Now I thinking about their boost gauge like this one PERRIN Performance ASM-GAU-001 - 60mm Boost Pressure Gauge

actually I know they made a lot of tuning for subaru, but these gauges I saw only a few days ago.
any comments on this one? they're not cheap at all so I'm still thinking, maybe I should continue with Aem
 

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I have already tried them out. Long story short the boost gauge didnt even read 0 at sea level. Not quality gauges for a product with the Perrin name on it. BTW I purchased and returned to RS and purchased defi gauges without the playback feature...very accurate and precise. Good luck
 

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I have Perrin EGT and oil temp gauges and they have performed very well for me. I have not tried their boost gauge.

Without getting too wordy I have personally found through research that electric gauges that measure rapidly changing pressure are not consistently accurate. If you want the boost gauge to read accurately I suggest a good mechanical gauge. The Perrin gauges are not my first attempt at gauges. Before that I had SPA gauges that included oil pressure and boost, but got fed up with them.

I wrote down more of my experience in my build thread.
Project Silverstreak: New diff and coilovers!
 

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I also am not on my first try with gauges. Im not bashing any one of these companies as I have purchased other products and they are very good. I started with the maddad and used those for years. After that I ordered the Perrin because they looked cool and they have some really good features built in, although I did tell myself if i bench test the boost gauge and it doesn't sit zero Im not even going to install it. Sure enough that was the case. I didnt try the oil pressure and oil temp gauges so I can’t comment on those. I got the Defi red racers 60mm havent even questioned them the last 6 months. The boost gauge atleast read dead zero and is on point with the AP.
 

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The boost ga. should read 0 at exactly 60 degrees Fahrenheit on a perfectly calm day at exactly sea level. SAE. Society of American Engineers standard.
If it's reading 0 in any other than those perfect conditions, the ga. is either defective, or not calibrated.
 
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