Roush AB tip size?

[chevybeater]

Can somone tell me what the tip size is on a Roush axle back?

I need to know if they measure 3.5" on the side and 4" measuring the tip from top to bottom, since they're oval, and from top of the tip to the back were the clamping end is, do they measure 8" ?


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[Lemonth]

It's a 2.5" inlet, 4" outlet. From the upper tip to end is about 9.5", bottom to end is around 8". Unless you meant the square tips. You going for quads? I've been trying to find quad tips that I can clamp onto the Roush axleback without modifcation, however I've had no luck..