Engine/Power - EJ20T (pre-2006 WRX and JDM) There is replacement for displacement, it is forced induction - OEM 2.0 liter turbo engines in the USDM WRX. 90-94 Legacy Turbo EJ22 turbo engines can also be discussed here.

Gruppe-S SS manifold

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Old Oct 20, 2003 | 06:24 PM
  #1  
TripleBlkWRX's Avatar
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From: From Sac to the Bay ALDAY!!!
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Gruppe-S SS manifold

Any of you guys use it or any manifold like it? is it worth the investment? or can I spend my money else where? I currently have the following mods:

K&N panel filter
HKS SSQBV
Apex World Sport Exhaust
Helix Uppipe & Downpipe

Need some feedback if possible...THANKS!!
Old Oct 21, 2003 | 06:27 AM
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What is your power goal?
What kind of motor sports do you participate in?
Old Oct 21, 2003 | 07:55 AM
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i participate in drag racing. my power goal is 230-240 hp at the wheels taking home some low 13/high 12s timeslips. i want to stick with the stock turbo if possible.
Old Oct 22, 2003 | 12:52 PM
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The only thing you could do is get the header and a twin tube Dp. Those are your only other options besides the whole 9 yards.

If you want to go faster for free ditch that BOV.
Old Oct 23, 2003 | 11:33 AM
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Originally posted by DeliciouSpeed
The only thing you could do is get the header and a twin tube Dp. Those are your only other options besides the whole 9 yards.

If you want to go faster for free ditch that BOV.
What is the performance difference with a twin tude dp vs. a bellmouth dp?? I have the Helix DP now.

As far the BOV, I love the sound too much to take it off. Yeah i know im silly!!
Old Oct 23, 2003 | 12:57 PM
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Say it proud if you like it loud. No harm in that-but i thought speed was the goal here...no matter.

The twin tube dp gives better boost control, good for all-but for you, I't help that poor stock turbo run a little more efficiently.
B&B or BPM should work fine.
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