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Review on Spectra Premium (EMV1001) Emission Valve: Optimize Engine Performance with Reliable Emmission Control by David Tadder

Revainrating 2 out of 5

Perfect fit but fragile

Bought to replace a faulty barometric pressure sensor on my 2007 STi. The original valve stuck, allowing exhaust fumes to enter the housing and kill the sensor. This fitted well, but the barometric pressure sensor only lasted a few days. I had to go back and buy OEM.

Pros
  • Wow
Cons
  • boring packaging