exhaust and dyno charts?

Information on the naturally-aspirated KA24E and KA24DE engines.
Streets_of_Fire
Posts: 164
Joined: Fri Oct 01, 2004 1:35 pm

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hows it going fellas?

i was wondering, does anyone have links to dyno charts with 2.5" exhaust piping vs. 3"?

i've read to go with 2.5" piping size and read TONS of articles online how exhaust can drop if piping size is too big, but i am not sure if itsa myth but i have read on here before (i beleive) that there are those who net posistive gains from 3" piping at higher rpms after sacrificing some low end torque.

what do you all think?


BMAR240SX
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Joined: Mon Aug 21, 2006 7:14 am
Car: 1993 Nissan 240S Coupe
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What are you running under your hood or future plans?

Streets_of_Fire
Posts: 164
Joined: Fri Oct 01, 2004 1:35 pm

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well, i was going to go turbo and go all track, but changed my mind. i have intake, headers, and going to stop with pulleys.

BMAR240SX
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so you need a 2.5...3inch is for turbo setups if you where to get a 3.0 it will have no backpressure i dont think you should get a exhaust system just get a muffler the exhuast system is going to be pointless if your not gonna have a good amount of power also considering that you have headers 2

InsanityInc
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Joined: Wed Aug 18, 2004 7:43 am
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Is this still going on?

3" makes more power than 2.5". It's been dyno proven, and neither loses anything anywhere compared to stock.

Streets_of_Fire
Posts: 164
Joined: Fri Oct 01, 2004 1:35 pm

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thats good to know, do you have proof? thanks

InsanityInc
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Consult the glowing red button.

BMAR240SX
Posts: 3252
Joined: Mon Aug 21, 2006 7:14 am
Car: 1993 Nissan 240S Coupe
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InsanityInc wrote:Is this still going on?

3" makes more power than 2.5". It's been dyno proven, and neither loses anything anywhere compared to stock.
Do you have the charts i wanna see this and the specs on the car


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