Originally Posted by yxc145
like I told you, I could only tell a very slight difference with the resonator removed/straight pipe installed. I think to be able to get a good, noticeable sound is that you also replace the back two mufflers like Edman951 did.
My Mercedes C350 made a big difference with just the X pipe. I was pretty surprised and disappointed with the outcome of my F10..... sigh.. total waste of $200.
I think Ill start off with the just the xpipe and go from there..some quads would be nice though