4-1 headers or 4-2 headers

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Jul 7, 2002 | 02:00 PM

bosss78

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4-1 headers or 4-2 headers

I have a 98 Elantra 1.8l 5-speed. Which type of headers would be more efficient 4-1 or 4-2?
I would like to put a 2.5* brulen cat back and exhaust along with the headers

Jul 7, 2002 | 02:01 PM

Draven0214

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With a manual I'd go with a 4-1 and a 2.25* exhaust, That would be the best setup, I would think.

Jul 7, 2002 | 02:04 PM

bosss78

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Why would you put 2.25* ? Isn't more restrictive than 2.5* ?

Jul 7, 2002 | 02:09 PM

Draven0214

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If I'm right it creates more backpressure, which is better for performance, a 2.5 would be louder though.

Jul 7, 2002 | 02:17 PM

yamaneko

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I believe the bigger the diamater, the more top end HP you get, but you will lose some torque. For 4 bangers its not suggested to go above 2.25 unless youre running some kind of F.I. I could be wrong though.

Jul 7, 2002 | 02:26 PM

bosss78

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Would you recommend Brullen 2.25* cat-back systems ?

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