 larger diameter down pipe? |
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 Apr 4, 2004 - 11:27 PM
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Enthusiast  Joined Jun 13, '03 From brooksville,fl Currently Offline Reputation: 0 (0%)  |
what will having a larger diameter downpipe increase horsepower or will it just make it louder thanks again
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Apr 5, 2004 - 9:15 AM
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Enthusiast Joined Nov 18, '02 From Texas Currently Offline Reputation: 0 (0%) |
If you increase it on a mildly modified car, then it won't give you too big of gains, nothing really all that noticable.
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Apr 5, 2004 - 9:20 AM
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 Enthusiast Joined Feb 10, '03 From Connecticut Currently Offline Reputation: 11 (100%) |
Depends on your engine. With naturally aspirated engines you'll want some back pressure. A huge exhaust basically eliminates this and you'll get lower acceleration, but a lil more top end. If u have turbo, bigger is better; to a point. Turbo relies on exhaust to power the compressor, the more exhaust going through your system, the more you'll be able to boost.
This post has been edited by Supersprynt: Apr 5, 2004 - 9:21 AM -------------------- |
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Apr 5, 2004 - 3:00 PM
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Enthusiast Joined Jun 13, '03 From brooksville,fl Currently Offline Reputation: 0 (0%) |
ok thanks guys
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Apr 5, 2004 - 4:05 PM
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Enthusiast Joined Dec 9, '03 From Utah Currently Offline Reputation: 0 (0%) |
some of you that are turboed and have upgraded downpipes, what size did you go.
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Apr 5, 2004 - 4:33 PM
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 Enthusiast Joined Mar 21, '04 From united kingdom Currently Offline Reputation: 0 (0%) |
3 inches (aussie dp)
-------------------- GT4 ST205 79 modifications and rising!!
spec list: http://sox-japoc.co.uk/forum/garage.php?mo..._vehicle&CID=10 |
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Apr 5, 2004 - 7:28 PM
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Enthusiast Joined Dec 9, '03 From Utah Currently Offline Reputation: 0 (0%) |
that seems to be the standard. do you know how much that added for you. I heard they make a huge difference on turbo applications.
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Apr 5, 2004 - 7:29 PM
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Enthusiast Joined Dec 9, '03 From Utah Currently Offline Reputation: 0 (0%) |
I like the numbers in ur sig uzthedentist. have you ran the 1/4? would like to know the 60' time u get out of it too.
This post has been edited by UT_Celica_GT: Apr 5, 2004 - 7:30 PM |
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Apr 5, 2004 - 7:47 PM
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Enthusiast Joined Feb 10, '03 From Connecticut Currently Offline Reputation: 11 (100%) |
Stock DP on the Alltrac (ST185) is 2.25''. Mines stock right now cuz they are pretty expensive. The Aussie seems pretty popular but its close to $300.
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