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4-2-1 header or 4-1 header for tc?

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Old 07-21-2009, 05:05 PM
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Default 4-2-1 header or 4-1 header for tc?

i understand the 421 gives better low end and 4-1 gives better high end... is this true?

do u see a dip in the low end from stock header with the 4-1, or is it just not as good at low end as the 421?
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Old 07-21-2009, 05:12 PM
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this will fit an 09 correct?

http://cgi.ebay.com/ebaymotors/Megan...Q5fAccessories
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Old 07-21-2009, 05:51 PM
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i dont know much but ive heard 4-2-1 is for mid range power? if anything it seems like 4-1 would make more power anyway since it goes directly from 4 to 1.. and yeah im pretty sure that those will fit the 09. i think the only thing that changed for the "2nd gen" would be the maf sensor location for the intakes
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Old 07-21-2009, 06:05 PM
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ok great thanks... i actually just found it for $197 with free shipping from hopup racing if anyone is interested... thats a great deal
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Old 07-21-2009, 06:06 PM
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i got a 4-1 megan header.. and i drove someones car with a 4-2-1 header.... aaaaand 4-2-1 FTW!!!! the car feels better since you dont have to rev it up that much and the car will MOVE...

if you are about to ge a header go with a 4-2-1 design!!!!!
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Old 07-21-2009, 06:14 PM
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4-2-1 FTW MMW
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Old 07-21-2009, 06:15 PM
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well poop i just ordered the megan 4-1... i heard its better for max power... so 4-1 ftw when racing i would think?
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Old 07-21-2009, 08:10 PM
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4-1 is also going to sound like total crap..4-2-1 is also less raspy
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Old 07-21-2009, 08:15 PM
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4-2-1 would be a better way to go as it will be less raspy and it is a little more fun to drive
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Old 07-21-2009, 09:26 PM
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guess i was wrong sorry my dude! i did say i didnt know much in my defense haha
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Old 07-21-2009, 09:30 PM
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lol damn thats the header i had and it suckedd :/
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Old 07-21-2009, 09:33 PM
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4-2-1 also sounds very raspy. but from what i've learned, 4-1 will yield more power because it gives each cylinder more room to breath, and also, there are fewer junctions for the exhaust to go through when they're evacuating the engine.
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Old 07-21-2009, 09:54 PM
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thats what ive heard... 4-1 is best for performance in terms of quarter mile or strait up racing... so i went with that as i plan to go to the track soon.... i got it new for $197 so im pretty sure that about as good as it gets
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Old 07-22-2009, 12:56 AM
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go with the 4-2-1 if your going to do mostly daily driving b/c thats when you will notice alot of mid range power as well unless your going to rev up to 5 or 6k/redlining it you won't notice much difference with the 4-1.

ALSO if you are going to go with the 4-2-1 monster motorworks/ weapon r are the best ones.

for 4-1 go with the Alphawerks headers if you can find them. all the other ones are basically pointless to put on imo
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Old 07-22-2009, 01:03 AM
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why would anyone want to put a header on a tc...total waste of time!
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Old 07-22-2009, 01:06 AM
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^^well some people don't wanna go the f/I route so they go N/A. and to gain more power with N/A you gotta get the header. But i agree if you are planning to go turbo just save money.
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Old 07-22-2009, 01:09 AM
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header is garbage right now im having a problem with my megan header and Greddy evo2 axleback, it sounds like such sh*t, and even NA is not worth it, ur not gaining much from a header anyway the basic bolt ons will most likely give u 8-10 hp IF your lucky. but for the OP jus get the 4-2-1 its always better which is why i regret getting my header, but tsudo or MMW is the way to go definatly unless u can find an alphawerks header then thats pretty good too but thats 4-1
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Old 07-22-2009, 01:10 AM
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lol even if your not going F/I a header yields almost non existent power gains and a very raspy, honda sounding exhaust note!
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Old 07-22-2009, 02:48 AM
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you can look up on this very site that headers give you 8-10 wheel horsepower, this is without other piping changes....

i have nitrous, so this will help me as it will help push out the nitrous more than the restrictive stock header... also i have invidia s-pipe and a megan exhaust...

im keeping the midpipe to keep some of the rasp down, it shouldnt be too bad with the stock midpipe still there...
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Old 07-22-2009, 02:52 AM
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it is still going to bad, i have never heard a tc with a header and stock mid that sounded good or any where close
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