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Why 4-2-1 Headers?


ben7281
08-06-2003, 04:10 PM
Why is everyone going out and buying the 4-2-1 Headers? If they knew anything they would know that the 4-1 Headers are the way to go. Honda engines lack in low end torque and the 4-2-1 Headers are for mid range and top end. If you really want to make improvments in strip racing in streets or short runs like a 1/4 mile you would be best to go out and get a 4-1 Header thats what i did with the advice from many performance stores such as www.modacar.com and www.slickcar.com. WHO CARES HOW FAST YOUR CAR CAN GO! ITS ALL ABOUT WHO CAN HIT 100MPH QUICKER

knorwj
08-06-2003, 04:40 PM
but isn't 4-2-1 better for high rpm?....so if you have say vtec you woul prolly keep the rpms up high? therefore 4-2-1 right?

I don't really know i've been trying to figure this one out cuz i want to get headers for my 93 gs-r and everyone says something different, I've also heard that 4-2-1 is better at all rpm (torque and hp) but 4-1 is only better at low rpm hence more torque but not hp.

I just want a straight answer so i can spend my 350 already.....

94tegRS
08-06-2003, 06:43 PM
4-2-1 is better for low end and mid, 4-1 is better for the top end, and supposedly you lose a bit of low end, but once youve gone through first in a race, you never are at the low end of the powerband, so then a 4-1 would be better. but since honda engines do lack torque, people go with 4-2-1 to get a bit of punch down low, and even a 4-2-1 is gonna give you more top end than the stock manifold.

90gs
08-06-2003, 09:54 PM
Originally posted by ben7281
Why is everyone going out and buying the 4-2-1 Headers? If they knew anything they would know that the 4-1 Headers are the way to go. Honda engines lack in low end torque and the 4-2-1 Headers are for mid range and top end. If you really want to make improvments in strip racing in streets or short runs like a 1/4 mile you would be best to go out and get a 4-1 Header thats what i did with the advice from many performance stores such as www.modacar.com and www.slickcar.com. WHO CARES HOW FAST YOUR CAR CAN GO! ITS ALL ABOUT WHO CAN HIT 100MPH QUICKER

people arent racing 24/7, they want some get up and go when they're just cruising, not when they're at the strip. although wrong you said that 4-2-1 is for mid and top and 4-1 is just top. why get something thats just top when you can get mid AND top...

4-2-1, like 94tegRS said, is for low and mid, 4-1 is for top.

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