Originally Posted by importkustoms00
is 2.5 in piping too big for a d? or will i lose too much backpressure. and low end torque.
backpressure is NEVER good. If you would like more in depth...please do a search....now the 2.5 on that D will fuck up the exhuast velocity and flow...which is much different...and yes, unless you are boosted 2.5 is a bit much.