Got Smoke?
New member
6.7L CUMMINS S300 DIRECT FIT
Anyone have any experience with these? I have already invested in a Steed Speed stock replacement manifold is why I'm not drinking the 2nd gen swap Kool-Aid. Tuned, deleted, hauls my 12V to the track doesn't need a S400.
Anyone have any experience with these? I have already invested in a Steed Speed stock replacement manifold is why I'm not drinking the 2nd gen swap Kool-Aid. Tuned, deleted, hauls my 12V to the track doesn't need a S400.