Quote:
Originally Posted by Black01
I had to edit because the old picture had one pipe, and I edited when I installed the 2nd pipe this morning which is the 90 degrees pipe. I would suggest putting in two pipes because I notice that when I had the single pipe there's a feeling that at 2500rpm , there's a sudden surge of power or the engine kind of choked but with the 2 pipes installed the acceleration is smooth.
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You must have been feeling he VTEC transitioning with the 2 tube set up.... There is a loss of manifold vacuum when it occurs that created a loss of intake velocity that you got back by adding the extra bend.... Flow velocity is what it's all about.