Are you looking for a TRUE 3" O2 Housing / Downpipe Configuration?
Here are some reviews sir, I believe the first one has installation pics:
https://www.evolutionm.net/forums/ev...e-o2-dump.html
https://www.evolutionm.net/forums/se...ousing-dp.html
https://www.evolutionm.net/forums/ev...e-o2-dump.html
https://www.evolutionm.net/forums/se...ousing-dp.html
Thread Starter
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From: Cottage Grove, MN
We have a comparison against stock setup at +16whp, but the sampling was a little later in the pull so the results aren't dead on as we would like. Then all the other setups we have test for are with different turbos and such that has no baseline.
