3rd Generation Specific (1993-2002) 1993-2002 Discussion including performance modifications and Technical Support Sections.
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For those with Down Pipe Data in Hand

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Old 10-11-05, 12:15 PM
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For those with Down Pipe Data in Hand

Can you tell me what you gained with the addition of a down pipe in power? I am interested in dyno-data specifically....I don't see anywhere in the posts where a single mod increase is documented.
Old 10-11-05, 12:49 PM
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I have a cut airbox and dp, didn't really notice anything but possibly quicker spoolup
Old 10-11-05, 01:58 PM
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It's somewhat hard to gauge, as this is a mod that doesn't make much horsepower if that's the only mod, but gives you increasing amounts of power as you mod the car further. Not to mention it's just a good idea - you get rid of a very heavy, VERY hot, and very in the way pre-cat.

About 5-10 hp is all you should really gain with a downpipe alone versus stock, depending on what kind of shape the pre-cat was in to begin with.

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Old 10-11-05, 06:52 PM
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Originally Posted by DaleClark
..... Not to mention it's just a good idea - you get rid of a very heavy, VERY hot, and very in the way pre-cat.
And probably save your main cat, as I heard the pre-cat falls/fell apart over time.

Originally Posted by DaleClark
About 5-10 hp is all you should really gain with a downpipe alone versus stock, depending on what kind of shape the pre-cat was in to begin with. Dale
I couldn't tell you where now, but this is the figure I remember seeing too. Which is really pretty cheap horsepower...isn't it?
Old 10-12-05, 03:13 AM
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I picked up 10hp...
Old 10-12-05, 03:20 AM
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The 7 can't lose!

 
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I picked up 10hp...
Old 10-12-05, 09:15 AM
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Same boost right? Mine started overboosting.
Old 10-12-05, 09:34 AM
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Depends on the car. I had boost spiking on my car with just a downpipe and a cat-back. Boost controller will solve that problem no sweat.

Dale
Old 10-12-05, 09:40 AM
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You're also knocking about 13 lb. off the weight of the car since the precat weighs about 18 pounds.
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