3" exhaust with a greddy kit???
05-18-2005, 09:22 AM
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Re: 3" exhaust with a greddy kit??? (b00sted4dr)
if you are running moderate to low boost levels which most people are with the greddy kit (under 10psi) i think the 3in is over kill a little. the best thing you can do for the greddy kit is get a 2.5in dp, remove cat, and put in a test pipe, followed by a 2.5in from the test pipe back. and its not always bad to have a little back pressure, torque reasons 
05-18-2005, 12:51 PM
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Re: 3" exhaust with a greddy kit??? (Integra21)
I'm going to 2nd the 2.5 exhaust too. I've thought it over a lot ( whether to go 2.5 or 3 inch) and I've found that a 2.5 is more than enough to support 13 psi. It would be overkill to put up a 3 inch.
05-18-2005, 05:22 PM
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Re: 3" exhaust with a greddy kit??? (urbansi)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by urbansi »</TD></TR><TR><TD CLASS="quote">if you are running moderate to low boost levels which most people are with the greddy kit (under 10psi) i think the 3in is over kill a little. the best thing you can do for the greddy kit is get a 2.5in dp, remove cat, and put in a test pipe, followed by a 2.5in from the test pipe back. and its not always bad to have a little back pressure, torque reasons </TD></TR></TABLE>
So youre saying with a 2.5 downpipe and a 2.5 exhaust or less, i wont have a problem with spiking?
Reason im asking about the exhaust is because i already have a thermal 3" exhaust laying around.
</TD></TR></TABLE>So youre saying with a 2.5 downpipe and a 2.5 exhaust or less, i wont have a problem with spiking?
Reason im asking about the exhaust is because i already have a thermal 3" exhaust laying around.
05-18-2005, 05:29 PM
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Re: 3" exhaust with a greddy kit??? (b00sted4dr)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by b00sted4dr »</TD></TR><TR><TD CLASS="quote">
So youre saying with a 2.5 downpipe and a 2.5 exhaust or less, i wont have a problem with spiking?
Reason im asking about the exhaust is because i already have a thermal 3" exhaust laying around.</TD></TR></TABLE>
odd but my thermal is laying at my feet right now, literally.
i am also interested on the spiking issue. i have a post going on in here mainly for the threat of spike or creep on the greddy kits. i really dont want to have to take off the turbo and port the WG hole
So youre saying with a 2.5 downpipe and a 2.5 exhaust or less, i wont have a problem with spiking?
Reason im asking about the exhaust is because i already have a thermal 3" exhaust laying around.</TD></TR></TABLE>
odd but my thermal is laying at my feet right now, literally.
i am also interested on the spiking issue. i have a post going on in here mainly for the threat of spike or creep on the greddy kits. i really dont want to have to take off the turbo and port the WG hole
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