Crush bent is as it sounds. A piece of pipe is pressed against a hydraulic elbow and crushed to form a specific angle.

A 90 degree crush bent 2.5" pipe is under 2.1" I.D. at the bend. This is a serious loss of performance.

Mandrel bending retains the inner diameter & shape.
A 90 degree mandrel bent 2.5" pipe is a bit over 2.4" I.D. at the bend. A significant difference in airflow and turbulence.


2000 SVT #674 - Check it out!

Whoever coined the phrase; "If it ain't broke; don't fix it" ~ Just doesn't get it...