Another ? for those with 3" down-pipes
This question is for MEXICANPT and others who have switched over to a 3" down-pipe and cat.
Did any of you also replace the O-2 housing? That's where the exhaust actually has the smallest diameter...right after the turbo and just before the down-pipe.
I have my order in with Maxx Fabrication, but it wasn't until this morning that I realized that even with a 3" downpipe and cat there is still a bottle neck.
Deen
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