Slow Motion
03-03-2008, 01:52 AM
Has anyone heard of around 30whp gains from switching from a 3" downpipe to a 3.5" downpipe?
I am thinking of trying this on a boosted VH45DE and I just heard that mainly supra and some others have done this.
I am thinking of trying this on a boosted VH45DE and I just heard that mainly supra and some others have done this.