4-2-1 or 4-1 header? any difference in HP?

[hellah fresh]

Hello everyone its me agian! Now im at the last stages of my motor tuning... I was thinking about headers. Some people say the 4-2-1 helps out and some say the 4-1 headers help out. I read a few post in the www.dsmtuners.com but it is 50/50. So i want to know which is better for the money. So Basically which design will a N/T benifit most from a 4-2-1 or 4-1 header?

BTW im looking to buy the DC Sports 4-2-1 ceramic header. Is that better for more money or a 4-1 header???

[david-b]

I bought some 4-1 header. I wanted a 4-2-1, but almost all are NOT LEGAL. I would imagine alittle better perf in the 4-2-1. I havent installed mine yet, so I dont even know how much i got there.

[Vtec95Civic]

4-2-1 is better for low end power, 4-1 is better for top end. Depends what you want out of your car.

[hellah fresh]

Originally Posted by Vtec95Civic

4-2-1 is better for low end power, 4-1 is better for top end. Depends what you want out of your car.

Hmmm. Ic so tell me this... when your street racing would you depend more on your torque or high end power??? Man thats so hard to figure out. I know i am going to buy my headers but its just the fact of which one? hmm.. any more input?

[gthompson97]

if you're car is an auto i would for sure go with the 4-2-1 because the auto's are shit off the line, if it's a manual it depends on what you want it for. if you can get off the line good then i would go with the 4-1 but if you have trouble down low, go with the 4-2-1

[hellah fresh]

Originally Posted by gthompson97

if you're car is an auto i would for sure go with the 4-2-1 because the auto's are shit off the line, if it's a manual it depends on what you want it for. if you can get off the line good then i would go with the 4-1 but if you have trouble down low, go with the 4-2-1

My cars a manual.... So i dont think i have a problem shifting on the right time because when i do shift in a rave i just listin to my engine and ill know when to shift. So better off which one does it comes down to... 4-2-1 or 4-1??? I want more torque and HP so does that explain much Lol.

[hellah fresh]

BTW is this how it works...

4-2-1 = more torque on take off
4-1 = less torque but more high end power


?

[Urban_Squrill]

4-2-1 makes tourqe beacause it has more rescrition, Which makes you exhust velocity is lower(not back pressure).

[EVOclipse]

ok typically you want a high torque car if your doing track style racing. youll spend alot of time in the lower end of ure power band(2-4k) and youll want to push it out...but if ure going to be drag racing typically you want more HP and you use it mostly in the higher end of your RPM's( 4.5-6k)but if u own a manual you dont get the choice of using your top end which is why he suggested it.

[soyee7]

your only talking about 3-6hp and 2-5ft/lbs torque. So it not really that big of a deal. Youll get more hp out of an exhaust or with an intake manifold. if i were you i would save up and and invest in a turbo kit, youll gaine more hp than you would with 2k in aftermarket bolt-ons.

Check this site out, it will be worth the visit

http://www.hahnracecraft.com/auto/eclipse/eclipse.htm

[hellah fresh]

well... turbo kit is down the line later LOL. but as of now im going for all motor first... so i can get the Guts of the car ready to run a big turbo. Like EVOclipse 4-2-1 im guessing if a raced a guy on the streets... ill take him off the line but after that maybe he'll catch up?? So im guessing i should get the 4-1 headers? Even tho 2-3hp isn't much its more HP right? Also in the next few weeks im going to port out my intakemanifold and bore my throttle to 60mm so that should help out??

[FourG63 97GST]

do anyway know why one give betta top end vs the other or its just a bunch of yapping here.

[hellah fresh]

Originally Posted by FourG63 97GST

do anyway know why one give betta top end vs the other or its just a bunch of yapping here.

haha So far jsut alot of yapping Lol. But yeah which to you perfer if you was in my position and have a manual N/T.

would you go with:

4-2-1 header > advantage of more torque off the line...
or
4-1 header > advantage of High end HP when you street race...

Well im not going to drag my car... i dont know but all i know is that im going to street race.

[drewh4386]

Well if you are going to street race, why not go with the 4-1 header? Your not going to be racing in the low end rpms. Your not really going to be dropping your 0-60 time, try to improve your 0-100 time or 5k-7k+ hp/tq

edit-
or save for a turbo kit.

so far I have a turbo, O2 housing, Possible $110 manifold(in a week) (know where to look), ic pipes and lines for under $350. Almost thru. Money doesnt come fast enough.

[hellah fresh]

Haha my money dont come fast also man. But yeah i think im going to get a 4-1 header. But man the 4-2-1 does sound good too tho =\