I've been thinking (and that's the problem) about the V-diverter (the angle iron set between the tailpipes) effectiveness. I can't see that it would really make much of a difference. As the pulse comes out of the entry pipe, it slows down and radiates outward. However, the added pressure starts to squeeze the contents of the can out of the tailpipes way before the pulse reaches the tailpipes. Furthermore, the tailpipes are not that big since they have that fiberglass stuff in them, maybe an inch in diameter. So the expanding pulse would not really got through them cleanly anyway. In fact the pulse would cause a lot of turbulence by the tailpipes restricting it even more.
Besides, wouldn't torque be better with a little back pressure?
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