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S/C with OEM HEADERS = GOOD, AFTERMARKET = BAD?

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Old Jun 8, 2008 | 11:08 PM
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Default S/C with OEM HEADERS = GOOD, AFTERMARKET = BAD?

hey guys, sorry for so many dang s/c questions but my dream might just come true next week of finally getting a s/c! but anyways,

i will be installing a s/c with CAI and turbosmart dual port, stock headers and s-pipe, catless midpipe with concept g exhaust.

i was thinking about installing megan headers and the nst 9.5, but i've been hearing aftermarket headers fit like sh*t and tends to touch the crank.

and i've also heard some bad things about the 9.5 on yoursciontc.com as where, someone blew out their bearings?

i was just wondering
1. are those 2 extra mods worth the risk and bad fitment?
2. will my setup be enough to make over 200whp or do i have have to/must add the headers the and pulley to make past 200whp?

sorry for the long post :[
Old Jun 8, 2008 | 11:35 PM
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not sure which header has fitment issues with the s/c, but AW, DC, and MMW i know for sure work with it. just make sure before you buy it. i'd recommend installing the header before the s/c though because installing it with the s/c on is somewhat of a pain.

nothing wrong with the 9.5lb pulley as far as i know..mine is lying around the room, wanna take it off my hands? ;)

and your intake won't fit with the s/c unless you modify it to fit. in addition, it may not be a good idea to have an intake AND the 9.5lb pulley because in some cases, it leans out your a/f. definitely go with the pulley instead of the intake because it'll give you way more power.

9.5lb pulley along with a header-back system should put you a little over 200whp (on average for 5spds).
Old Jun 8, 2008 | 11:43 PM
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i will be cutting the intake to make it fit. so pulley with cai will make it run lean for sure?

and dayum s/c is slow! all that just to make over 200whp? ughh gg


and 05-rs1 you have a pm
Old Jun 8, 2008 | 11:46 PM
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yes any cai with the s/c on the stock s/c tune will make it run lean... stay away from the cai until you get a proper tune on a emanage or the sort
Old Jun 8, 2008 | 11:57 PM
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Originally Posted by unxpectederror
yes any cai with the s/c on the stock s/c tune will make it run lean... stay away from the cai until you get a proper tune on a emanage or the sort
Once again, post evidence or its just speculation. There have been alot of people (myself being one) running an intake and the 9.5 pulley with no problems. The issue your going to hit though with the 9.5 pulley is the stock exhaust header will create alot of restriction and your going to eventually end up blowing it apart. I have the strup I think it is header with mine and I have no problems. Im actually selling it if your interested for 80+ shipping.
Old Jun 9, 2008 | 12:12 AM
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^^thats a good deal(strup header) i sold mine a couple of months ago for 100+shipping.
Old Jun 9, 2008 | 01:34 AM
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hmmmmm so CAI making it lean is just a predicted thought.

yea i did some research but i still havent found CAI making it run lean with AFR gauge on trd reflash.

any rebuttals?
Old Jun 9, 2008 | 02:48 AM
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i put on my CAI the night before going to tune it. got on the dyno and the initial a/f was pretty lean, high 13s if i remember right.
Old Jun 9, 2008 | 02:56 AM
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awww man!!

i guess i aint gonna put the cai on then :[ i just wanted the bigger bov/bpv sound
Old Jun 9, 2008 | 03:03 AM
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Originally Posted by kikcaffine
Originally Posted by unxpectederror
yes any cai with the s/c on the stock s/c tune will make it run lean... stay away from the cai until you get a proper tune on a emanage or the sort
Once again, post evidence or its just speculation. There have been alot of people (myself being one) running an intake and the 9.5 pulley with no problems. The issue your going to hit though with the 9.5 pulley is the stock exhaust header will create alot of restriction and your going to eventually end up blowing it apart. I have the strup I think it is header with mine and I have no problems. Im actually selling it if your interested for 80+ shipping.
it was just on reflash right? and how'd u know it was running fine?
Old Jun 9, 2008 | 07:15 AM
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I say stay away from headers with S/C and concept G! I probably mentioned it to you before that it sounds completely beefy! Don't risk the rasp! Keep it sounding clean!
Old Jun 9, 2008 | 08:21 AM
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even if i add some resonator the beefy tone will dissapear?
Old Jun 9, 2008 | 07:51 PM
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My car sounds so friggin loud I hate it. I have a ZPI full exhaust, Megan S-Pipe, and DC header with my SC and it kills me. This weekend the AERO resonator goes on, I hope it helps.
Old Jun 9, 2008 | 08:50 PM
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Originally Posted by Buck
My car sounds so friggin loud I hate it. I have a ZPI full exhaust, Megan S-Pipe, and DC header with my SC and it kills me. This weekend the AERO resonator goes on, I hope it helps.
is it nice loud or raspy loud?
Old Jun 9, 2008 | 08:54 PM
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the megan racing header is the one that touches the S/C shaft... how do i know? I own the header. Thats why I'm selling the header...
Old Jun 9, 2008 | 09:07 PM
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Originally Posted by 05-RS1
i put on my CAI the night before going to tune it. got on the dyno and the initial a/f was pretty lean, high 13s if i remember right.
Whem Had my supercharger on with the intake I wasn't running lean. in Boost my A/F was 11.
Old Jun 10, 2008 | 12:51 AM
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I had the MMW S/C Intake and my car ran like crap during normal everyday driving. WOT was fine.

Part of the problem could have been that Promotion Tuning (Creative Compacts) did a horrible job installing everything on my car where the Magnaflow cat-back didn't fit right after they installed the hi-flow cat and resonator. The hi-flow cat was rubbing against the floor pan and there were three really small exhaust leaks. They kept blaming the rattling on the Megan header (it's the rasp, man, that's the way it sounds). /end rant lol

Anywho, careful when you change the intake. Make sure you have a wideband AFR gauge. I don't think there would be a problem with the AFR at WOT, just normal driving.
Old Jun 10, 2008 | 04:01 AM
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yea, well iam taking the chance with nst 9.5 pulley with CAI just on the reflash.
Old Jun 10, 2008 | 01:36 PM
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I would like to see the results if someone would give a full tune for the TRD supercharger without the reflash ecu. [/table]
Old Jun 10, 2008 | 01:36 PM
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I would like to see the results if someone would give a full tune for the TRD supercharger without the reflash ecu.



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