Hello im looking to make or modify a exhaust manifold i have a uk gd 1.3 idsi engine was wondering what the dimensions of the exhaust flange the distance from the top 2 and bottom 3 studs the diameter of the exhaust ports and the distance between the exhaust ports my friend has an fn2 type r 4-2-1 manifold it has the same placement as the manifold down pipe /cat when bolted together and was wondering if it would bolt up or if i would have to make a new flange or copy tthe design but with a different flange as i dont fance unbolting everything just to find the flange is way off thanks in advance ben