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Which size header to choose

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Old Jan 22, 2011 | 01:10 PM
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Big Poppa's Avatar
Big Poppa
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Which size header to choose
While searching around for headers I noticed they come in different sizes. The buyer has a choice of 1 3/8 or 1 7/8 if I'm not mistaken. What are the advantages and/or limitations of each. Thanks.
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Old Jan 22, 2011 | 04:14 PM
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From: NoVA
Originally Posted by Big Poppa
While searching around for headers I noticed they come in different sizes. The buyer has a choice of 1 3/8 or 1 7/8 if I'm not mistaken. What are the advantages and/or limitations of each. Thanks.
I remember reading Lethal Performance (i think it was) dyno'd both headers, and the 1 7/8's produced much more HP and TQ in the mid-range.
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Old Jan 22, 2011 | 07:04 PM
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U can chose between 1 3/4 or 1 7/8. I got the 1 7/8 and all I know is the go vrooom real good and gave great power lol.
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Old Jan 22, 2011 | 07:16 PM
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From: NoVA
Originally Posted by mystickeith50
U can chose between 1 3/4 or 1 7/8. I got the 1 7/8 and all I know is the go vrooom real good and gave great power lol.
DO you have a video of your ride per chance? I'd like to hear how your exhaust setup sounds like!
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Old Jan 22, 2011 | 07:48 PM
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The smaller tubes will give a little more low and mid-range torque while sacrificing a little top end power, better for the street.
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