Hey, I think that was on purpose..."DSMricer"?
Feel free to edit that post. 
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| 2.5 or 3? http://4g61t.org/forum/viewtopic.php?f=6&t=3225 |
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| Author: | Miragew/swap [ Tue Mar 04, 2003 11:34 pm ] |
| Post subject: | 2.5 or 3? |
I am going to get a full downpipe and exhaust custom made. All mandrel bent. I have an 89 mirage with 4G63T swap like most of you. I wanted to know if the 3 inch exhaust was going to be to much, take away to much back pressure and have a negative effect on my car? |
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| Author: | dsmracer [ Tue Mar 04, 2003 11:44 pm ] |
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With a 3" system you should be fine. Most people forget that the less backpressure an exhaust system has on a turbo car the better. It's not needed like on a NA car. Engine Size 1.0L-1.9L - 2.5" Piping 2.0L-2.5L - 3.0" Piping |
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| Author: | Starquest aka AndyR [ Wed Mar 05, 2003 4:02 pm ] |
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3" all the way. 2.5" is good, but 3" is best. I agree with DSMracer, backpressure is the enemy of a turbo. |
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| Author: | dsmracer [ Wed Mar 05, 2003 6:57 pm ] |
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Hey, I think that was on purpose..."DSMricer"? Feel free to edit that post.
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| Author: | Starquest aka AndyR [ Wed Mar 05, 2003 8:03 pm ] |
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hehe, actually that wasn't on purpose, but afterwards I noticed and I was wondering if anyone else would notice it...  edited.
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