Need help with custom downpipe.

[92AllTrac]

I have a Garrett T3/T4 turbo with a 3 bolt exhaust outlet.

My question is how to make a 3" downpipe for it. The outlet hole is only 2.25", but I am sure I have seen people using a 3" d/p on their car with the T3. Are any of you guys using a 3" d/p on your T3?

Any suggestions or help will be greatly appriciated.

Thanks

 

[candela]

Well thats because DSM's use o2 housing for the most part. Even with these t3/t4's o2 housing are still usually used.

If your vehicle doesnt use one than simply flange it from there and gradually increase to 3" if thats what you want. 3" directly off the turbo usually isn't needed...