I'm feeling lazy, TB and DN y pipe diam ?

[mb7050]

whats the size of oem TB and what size reducer do I need beetween DN y pipe --> TB

thanks

[OBXBoost]

I didn't use a reducer. I used the silicon coupler that came with it and a good t-bolt clamp.

[Austin@STM]

Should be a 2.75 to 3" reducer that's what most of them are. I have that coupler with t-bolts as a package on the website.
[IMG]stmtuned.com[/IMG]

-Austin