They recirculate just before the turbo to (in essence) keep the turbo spinning at the proper rpms and lessen lag. It does not, in turn, go through the intake piping but just before the turbo if I'm not mistaken. The intake should give you more spooling noise and you'll be able to hear more...
I would love to hear updates later on, the air fuel ratios don't drop for more than a tenth of a second, they do drop very low, but after seeing that on the wideband my OCD kicked in and freaked me out. So much so I broke a bolt putting the new one back on . Keep us posted on Long term effects
I'm gonna have to agree with dallasjhawk on this one, the product is good and is made of good materials. They will back their claims on refunds for poor manufacturing, although they have had no reply to any of my findings in regards to air fuel ratios, see above.
A day doesn't go bye where I wish I had that sound again and I contemplate putting it back on sometimes.
The car feels no different either way, it's just a piece of mind I suppose
And a few more with the aftermarket boomba blow off valve
This is the third thread I am posting these,
It is kinda scary how boomba has no response to any of them. Maybe I'm wrong, but the data was here.
And for anyone curious, this was done using a cheap OBD2 to Bluetooth adapter and the...
Here are some graph of air fuel/boost vs time.
The green line is actual air fuel mixture read by the wideband
Red is target air fuel commanded by the ecu
Purple is boost
Do with this as you may, top graph is stock bypass valve bottom is with the boomba blow off valve. The boba blow off...