by Blue on Tue Jun 10, 2008 2:48 pm
Go the 3", turbulent friction within the pipes actually makes the 3" breath better than 2 x 2½" pipes - I don't recall the math but we studied it in physics as there were a number of rev heads in the class and the teacher made a learning tool out of a common point of interest... Also speak to an exhaust specialist about what size dump pipe to use as choosing 2", 2½" or 3" will significantly alter your torque curve
Vegetarian - Ancient tribal slang for the village idiot that can't hunt or fish.