Originally Posted by cxcivic
i had a friend that put a header/exhaust on his VX....it would run with the Si hatches at the time.... pretty surprising
thats because the si hatches are the heaviest ones and the vx's are the lightest ones....and after the "vtec" point the vx is basically just like a regualsr single cam without vtec.....that and the si's were prolly all stock with clogged air filters and bad drivers.