There are meant to be the bridge in the SuperSprint exhaust for the OEM system into the SuperSprint Muffler. Their mufflers are great I have one on my 530. SuperSprint uses an odd size pipe that I beleive is metic (ie the one one the 530 is approx 2.9") When the OEM z4 system comes together it's in the Oem muffler. SS does this right after the center resonators. In general with the muffler a better fow is acheived.
We are finishing our e39 project, and slimming down our Z4 project. We have set a new goal of running at Bonneville on the satlt flats in 2 years no matter what. So there is a new car on the horizon. Of course the z will stay.
How have you been? Did school finish / start well?
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