Originally posted by SVTfrog:
Originally posted by striker2:
mandrel bent is better. gives smooother flow



It's a zetec. Is that extra .25hp worth the cost?




Even on a mildly modified Zetec, putting on a mandrel bent exhaust over a crush bent exhaust of the same size can show a 3-4 HP gain on the dyno. The more modified it is, the bigger the power gain is.