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Review on AEM 20 402S 2 75 Bypass Valve by David Finley

Revainrating 5 out of 5

Works perfectly! for exhaust and emissions

The product works! Requires a little modification to your CAI and cuts the pipe. I think it's worth the time and effort, but I also enjoy working on my car. Read the instructions! And don't be afraid to cut the pipe, because you have to. All in all I've used this before and it's worth buying and installing.

Pros
  • nice thing
Cons
  • vaguely remember