B16, B18, B20
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By jred
#193494 wich is better the 4-1 headers or the 4-2-1 ??? whats the difference between the two? is it that 1 gives more power than the other?
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By forcefedEG
#193496 4to1to1 is better suited for your mid to low end engines...

4to1 is more for a higher reving engine...

http://civic-eg.com/viewtopic.php?t=14895

http://civic-eg.com/viewtopic.php?t=14633
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By jred
#193597 its for a b16a...
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By forcefedEG
#193600 personally i like the 4to1's ive had a dc and they work great, a buddy of mine had the hy-tech knock off and it was great... but thats my .02 take a look at the links :thumb:
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By GSRgoodies
#194629 yeah i agreee i have a 4 to 1 dc as well i love it, but you would probably do better with a 4,2,1.