19-09-2014, 05:15 PM
If you can - use a reducer pipe to give you a 57mm onto the turbo but the inlet pipe staying at 63mm or bigger.
Especially if it's a remotely long pipe - remember about boundary layers! Look pipe from the airbox of a 136HDi - it's like 2 3/4" or so because of this!
Especially if it's a remotely long pipe - remember about boundary layers! Look pipe from the airbox of a 136HDi - it's like 2 3/4" or so because of this!