true 3" downpipe

[get_boosted]

anyone make these downpipes? when i say true 3" I mean the flange and piping

 

[JusMX141]

In order for that to be possible you'd need a 3" o2 housing as well- even the Evo III o2 housing couldn't support a 3" flange because there isn't 3" of space between the studs.

 

[TWOpointFORliter]

In order for that to be possible you'd need a 3" o2 housing as well- even the Evo III o2 housing couldn't support a 3" flange because there isn't 3" of space between the studs.

You sure about that? I have a 3" DP bolted up to my evoIII o2 housing. The DP started off as a apexi DP and was modified by AMS to correctly fit the angle of the o2 housing and they took the liberty of making it a true 3" while they were at it. Never pulled a tape across it to double check their work but being as I didn't even ask for it to be made 3" I don't see why they would lie.

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[JusMX141]

I'd be curious to see the flange and mounting hardware used.

 

[TWOpointFORliter]

Now you have my curiosity going. Next time I have it off I will have to measure it.

 

[JusMX141]

That's what I was thinking- I've had difficulty fitting downpipes with 2.5" flanges on standard o2 housings so there's NO WAY you'd get a 3" flange to fit those....I knew the Evo III outlet flange was larger, but didn't figure it was by enough to make a drastic difference in fitment.

 

[ebailey95]

That's what I was thinking- I've had difficulty fitting downpipes with 2.5" flanges on standard o2 housings so there's NO WAY you'd get a 3" flange to fit those....I knew the Evo III outlet flange was larger, but didn't figure it was by enough to make a drastic difference in fitment.

The evo3 o2 can in fact be ported to a true 3inches. The evo o2 housing studs are a good 1/2 - 5/8in wider apart than stock 2g. I had to cut the holes out of my downpipe making flange slots just to make it fit. There is much more material on the already much larger housing alowing a good amount of porting possible.

 

[get_boosted]

i have a 3" o2 housing

 

[crash89]

I made my own!

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[IrishBeatdown]

No flex section, crash?

 

[crash89]

No. I didnt even think of putting on in until after I was done. Ive got solid motor mounts so there isnt really a lot of need for a flex section. At least thats how it seems in my head! haha

 

[Boosted_Jedi]

nice shopping cart crash! That's a bad ass downpipe you got there.

 

[get_boosted]

very nice

I'm probably going to buy a welder and start learning because when your constantly modding you need to fabricate parts. what kind of welder did you use?

 

[crash89]

nice shopping cart crash! That's a bad ass downpipe you got there.

Haha thanks! Our welder is in there!

get boosted To be honest I dont really know which model it is. Its an older hobart, thats all I know. Its my old mans and he's had it for as long as I can remember. Its not the greatest but it does the job.

 

[AWDtalontsi96]

Punishment racing as a nice DP that's true 3in. At least it is for the 2g. I believe its the same for the 1g , but they say it has to be used with their o2 housing.