Anyone make their own High Flow cats?
#1
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Does anyone have experience making their own high flow catalytic converters for our x308 models? I was thinking of making my own since the only ones I know that still make this upgrade is paramount performance for +$1600. I have access to a machine shop, so not having the right tools is probably not an issue in my case.
Is this feasible? What is the best approach to this? Any advice? Are the O2 sensors going to be a big hurdle?
Is this feasible? What is the best approach to this? Any advice? Are the O2 sensors going to be a big hurdle?
#2
Join Date: Feb 2013
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#3
#4
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Where'd you get your high flow cats from? By adapters, do you mean an extrusion from the cat, where you put the threading for the O2 sensors?
#5
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All you need is a couple metallic substrate high flow cats/piping/welder and fab away or any exhaust shop can do it. If you get cat efficiency codes you will just need to add rear O2 bung spacers. My '98 won't throw a code even with no catalytics installed, but i've heard of people needing to add rear spacers on later X308 years with hi-flo's/cat delete
#6
![Default](/forum/images/icons/icon1.gif)
All you need is a couple metallic substrate high flow cats/piping/welder and fab away or any exhaust shop can do it. If you get cat efficiency codes you will just need to add rear O2 bung spacers. My '98 won't throw a code even with no catalytics installed, but i've heard of people needing to add rear spacers on later X308 years with hi-flo's/cat delete
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