Quote:
Originally Posted by Bee Pee
A system that loses dual LHS and RHS tailpipe outlet functionality…..
With valve closed single exit out of LHS tailpipe.
With valve open - predominately single exit out of RHS tailpipe.
🤔😐
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If you watch the video you'll see that this provides a better performance. It means that the exhaust gases have a more free-flowing exit via the straight pipe versus stock which needs to travel via the backbox regardless of being open or closed.
The stock box just closes off one pipe in comfort.