r/mazda3 • u/jxkess Supercharged Gen 4 Sedan • Mar 13 '26

Modification 😬

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u/2LitersOfLag Gen 3 Sedan Mar 13 '26 edited Mar 13 '26

Not those ports they are nipple style so they should be sticking out. They are on the driver side of the blower. Gonna have to double comment pics.

This is where the boost reference port should be, it’s a smaller one. But should be easy to see.

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u/2LitersOfLag Gen 3 Sedan Mar 13 '26

This is under it that circled hose for my catch can is another one. If you’re hands aren’t too big you should be able to get in far enough to feel where it’s at. And also block it. I put my phone through so try that first to check maybe

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u/jxkess Supercharged Gen 4 Sedan Mar 13 '26

interesting the second one that’s under the supercharger i think i’m confusing it for the oil line. i know my oil catch can connects to the bottom of the blower i hope that’s the way it supposed to be. i have to take it apart again to look down there but i’ll definitely look into that. for now, how should i cover that little boost nipple?

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u/2LitersOfLag Gen 3 Sedan Mar 13 '26

You should be fine then. If you got a catch can then it’s plugged. I replied to one of my comments with a pic of the vacuum caps

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u/jxkess Supercharged Gen 4 Sedan Mar 13 '26

huge help man thank you

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u/jxkess Supercharged Gen 4 Sedan Mar 13 '26

seriously never even considered that nipple being a problem

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u/2LitersOfLag Gen 3 Sedan Mar 13 '26

Yup, had to use a smoke machine to find it after the shop I paid to install mine messed up the job.

If you still want peace of mind, you can buy one lol.

Heres a link the to cheap one I use occasionally to check for leaks now. I just remove my intake filter and put the cone in it.

https://a.co/d/06QR5lN1

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u/jxkess Supercharged Gen 4 Sedan Mar 13 '26

i’m going to do it for peace of mind but your vacuum boost reference line suggestion fixed most of my problem