[91CRXTC]

i understand the equal legnth pipes, but they couldnt get equals without all thoughs bends? I have a "HP Racing" header on my ZC, it was bought for an SI but is matches up with the ZC, i have a slight spurattic bog and am wondering if its because my pipes are not equal legnths. Its got the same layout style as the DC header with that one pipe from cyl 4 that goes around the back of the other 3 pipes and the O2 sensor on one of the pipes. I am thinking that that 1 pipe is longer then the rest and is causing a slight spuratic bog. So the 4-1 setup is for 1/4s and a 4-2-1 would be better for track use? So who makes a good 4-2-1 equal legnth pipe header for the ZC?