fz1985
Member
What the use of the part on the mid pipe with two hoses going to it. Also what it is called.
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Exhaust
- Thread starter fz1985
- Start date
MegaMatt5000
senallttam
I think you're talking about the EXUP valve. It's purpose is to control back pressure, but on the Gen 2's it seems to be more for noise attenuation. Removing the cables will leave it in the permanent fully open position, and you won't get a check engine light as long as you leave the servo plugged in.