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Recomendation On Exhaust Size

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Old 06-29-2006, 10:34 AM
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Default Recomendation On Exhaust Size

I am getting an exhaust custom done next week, but I am not completely sure what diameter piping I want. Some people say 2.25, some people say 2.5. I have the poopy d16y7 in the car now, with your basic bolt ons. I'm just wondering what size would be the best. I did search but I couldn't come up with what I am looking for. Thanks for any help.
Old 06-29-2006, 10:59 AM
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4"
Old 06-29-2006, 11:01 AM
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Default Re: (central_driver)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by central_driver &raquo;</TD></TR><TR><TD CLASS="quote">4"</TD></TR></TABLE>

lol

If you're not planning on swapping anytime soon, 2.25"
Old 06-29-2006, 11:01 AM
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Default Re: Recomendation On Exhaust Size (Jakester9500)

What are you going to do to your car in the future?
Old 06-29-2006, 11:03 AM
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Default Re: Recomendation On Exhaust Size (Jakester9500)

2.25 is perfect. I have a 2.25" piping on my y7, shouldn't have to feel like I should go bigger.
Old 06-29-2006, 11:04 AM
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Default Re: Recomendation On Exhaust Size (Jakester9500)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Jakester9500 &raquo;</TD></TR><TR><TD CLASS="quote">I am getting an exhaust custom done next week, but I am not completely sure what diameter piping I want. Some people say 2.25, some people say 2.5. I have the poopy d16y7 in the car now, with your basic bolt ons. I'm just wondering what size would be the best. I did search but I couldn't come up with what I am looking for. Thanks for any help.</TD></TR></TABLE>

Don't get an exhaust at all if you have a D16Y7 that's naturally aspirated. If you feel the need to do so anyway, get an Si or GSR muffler and call it a day. No need to spend $300+ on something that's going to make your obnoxious, slow-as-**** car louder and more stereotypical.
Old 06-29-2006, 11:04 AM
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Personally I wouldn't go over 1.75.
Old 06-29-2006, 11:07 AM
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Well I appreciate all the jack *** comments. They really helped.
I'm not going to spend 300+ on an exhaust, I know a shop that will do it for 80.
Old 06-29-2006, 12:23 PM
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Default Re: (Jakester9500)

2 1/4 NO bigger. 2 1/2 if u got a fat turbo you can acually lose power if u go to big especially torque
Old 06-29-2006, 12:27 PM
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Default Re: (stealth_EK4)

2.25 is fine.

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by stealth_EK4 &raquo;</TD></TR><TR><TD CLASS="quote">2 1/2 NO bigger. 2 1/2 if u got a fat turbo you can acually lose power if u go to big especially torque </TD></TR></TABLE>

What!?
Old 06-29-2006, 12:33 PM
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<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by SovXietday &raquo;</TD></TR><TR><TD CLASS="quote">

What!?</TD></TR></TABLE>
fixed
Old 06-29-2006, 12:35 PM
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<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by stealth_EK4 &raquo;</TD></TR><TR><TD CLASS="quote">2 1/4 NO bigger. 2 1/2 if u got a fat turbo you can acually lose power if u go to big especially torque </TD></TR></TABLE>

I hope you're saying this because its a Y7
Old 06-29-2006, 12:41 PM
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Default Re: (SkoundrelUSA)

i know its a Y7 i got one of those too hell even 2 1/4 is maybe to big, and you will loose to any engine if the piping is too large due to backpressure loss
Old 06-29-2006, 12:51 PM
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yea, that's why i raise the question. i don't have a kajillion dollars to throw around on an engine and what not. hopefully ill get a y8 shortly, but i want an exhaust, but i don't want to expletive myself over with it. so 2.25 is the good one?
Old 06-29-2006, 12:55 PM
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Default Re: (Jakester9500)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Jakester9500 &raquo;</TD></TR><TR><TD CLASS="quote">yea, that's why i raise the question. i don't have a kajillion dollars to throw around on an engine and what not. hopefully ill get a y8 shortly, but i want an exhaust, but i don't want to expletive myself over with it. so 2.25 is the good one?</TD></TR></TABLE>
yes
Old 06-29-2006, 12:57 PM
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Default Re: (stealth_EK4)

thanks for the help. you get the
Old 06-29-2006, 01:12 PM
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Default Re: (Jakester9500)

2.25" is good, i would even go 2" all the way so you wont lose much downlow seeing as though these motors dont have any low end at all. 2.25" if you want to increase power top end though.
Old 06-29-2006, 01:15 PM
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Default Re: (teknoracing)

2.25''
Old 07-21-2006, 07:14 AM
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Default Re: Recomendation On Exhaust Size (Archidictus)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Archidictus &raquo;</TD></TR><TR><TD CLASS="quote">Don't get an exhaust at all if you have a D16Y7 that's naturally aspirated. If you feel the need to do so anyway, get an Si or GSR muffler and call it a day. No need to spend $300+ on something that's going to make your obnoxious, slow-as-**** car louder and more stereotypical.</TD></TR></TABLE>
Old 07-21-2006, 07:20 AM
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Default Re: (stealth_EK4)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by stealth_EK4 &raquo;</TD></TR><TR><TD CLASS="quote">2 1/4 NO bigger. 2 1/2 if u got a fat turbo you can acually lose power if u go to big especially torque </TD></TR></TABLE>

What the expletive did you just say?

Nevermind, don't repeat it.

The general rule of thumb was no bigger than 2 1/2" for NA, 2 or 2.25 will be fine on a stock D16.

If you have a "fat turbo" you don't want to limit yourself to 2 1/2" piping. Most new turbo setups are using 3", and some BIG number guys are running a 4". In turbo you want as little resistance to airflow as possible. After the turbo you want no restriction whatsoever.

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Archidictus &raquo;</TD></TR><TR><TD CLASS="quote">Don't get an exhaust at all if you have a D16Y7 that's naturally aspirated. If you feel the need to do so anyway, get an Si or GSR muffler and call it a day. No need to spend $300+ on something that's going to make your obnoxious, slow-as-**** car louder and more stereotypical.</TD></TR></TABLE>

WFT&B.
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