Originally Posted by boejangles
Yes 4 inserts come with the X3 series but not the SBK like you have unfortunately.
Are you close by? You can stop by my place and we can try the other db inserts I have here, they should bolt right in.
I'm very happy with the tone coming out of my pipe but then again I'm using a different insert then you have.
They don't make an X3 for the 690 (or am I confused - as usual). I'm a little too far to stop by but thanks for the offer