to redirect the exhaust flow from the original flow to shorter exhaust flow.
So , like using straight piping without muffler la after the valve open coz the air will go through the new hole.
It must been great living in the 70's, when cars were much interesting and lacked safety features. Jeremy Clarkson of Top Gear gets in the wheel of a Reliant Robin and went rolling around on the streets of Barnsley...
Just a quick query on a suitable bov for my engine as im quite noob in this dept
A quick background first.
Im driving a Toyota Chaser 1G-GTE ie 2.0 inline 6 cylinder twin turbo auto. It was auto, till now...