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Discussion Starter #1 (Edited)
Looking For Max Performance?
We Have Performance Packages In Stock. Don’t Miss Out These Great Deals Are Guaranteed To Sell Out!

Gruppe-S V2 Manifold
Back In Stock!!!
The Gruppe-S manifold is a 4 to 1 unequal length manifold. It will retain your boxer rumble and features T304 Stainless Steel piping, mandrel bends, and CNC precision cut flanges. The 4-1 collector is cast to ensure the smoothest possible low rates. This header is dyno proven to make power; it will not lose power or torque in 2.5L applications anywhere in the RPM range. 2.0L motors will lose some low-end and mid- range power to gain more high-end power and torque. The more modified your vehicle is, the more pronounced the gains from these headers will be.
Also available with the optional thermal outside coating that eliminates heat loss from the exhaust gasses (as compared to stock headers). Because warmer air travels more quickly and expands more quickly, this helps to spool the turbo more quickly


Gruppe-S V2 Manifold Stainless Steel
$379 Shipped!!

Gruppe-S V2 Manifold with Thermal Coating
$579 Shipped!!


Helix Catted Downpipe
Back In Stock!!!
The Helix Catted Downpipe incorporates Helix Power’s first-rate bell-mouth downpipe, with the addition of a 200 cell Metal-Substrate high-flow catalytic converter and thermal barrier heat-shield. The 200 cell Metal-Substrate downpipe has been tested by us to yield 7-10whp over the factory twin cats, while able to pass stringent California smog standards on the WRX / STI. The thermal barrier heat-shield assists in rapid warm-up of the cat for maximum efficiency and helping to reduce engine bay temperatures.

Helix Catted Downpipe
$329 Shipped!!


IHI VF34 Turbo 400HP Package
Back In Stock!!!
The IHI VF-34 Turbo is found on the limited production Subaru v7 WRX STI-RA (GDB). This turbo is differentiated from the VF30 through its more advanced bearing design. The bearing design allows for much quicker turbo spool-up (depending on tuning, 300-500+ RPMs over the VF30), while retaining the power capabilities of the VF30. The VF34 is capable of 400 HP. This turbo is a direct bolt-on for all GC8, GDA, GDB EJ20 turbo engines.
IHI Turbo Package
- IHI VF34 Turbo
- STI 565cc Injectors,
- Walbro GS342 Fuel Pump w/ setup kit
IHI VF34 Turbo 400HP Package $1275.00 Shipped!!
VF34 Turbo $825.00 Shipped!!






Turbo Back Exhaust Combos Ready To Ship!


HKS Carbon-Ti Exhaust + Helix Catted Downpipe
$999 Shipped!!

HKS Hi-Power Exhaust + Helix Catted Downpipe
$799 Shipped!!

Apex N1 Exhaust + Helix Catted Downpipe
$749 Shipped!!

Apex RS Revo + Helix Catted Downpipe
$1149 Shipped!!

RSR GT2 Exhaust + Helix Catted Downpipe
$829 Shipped!!



Tanabe Concept G Blue Turboback

-Full Stainless Turbo Back System
-Non-Catted Divorced Wastegate Downpipe Included
-Blue Titanium Style Exhaust Tip Finish
$749 Shipped!!


Add Your Choice of a Helix V3 Uppipe or DC Flex Uppipe for $125 to the Turbo Back Exhaust Combos!





Front Mount Intercooler Combos Ready To Ship!

Greddy V-Spec FMIC

-Mimimize Heat Soak
-Tube And Fin Design
-Properley Sized For Maximum Efficiency
$899 Shipped!!


Blitz Type LM FMIC

-Maximum Cooling Capacity While Allowing For Minimal Pressure Drop
-Tube And Fin Design
-Most Efficient Intercooler
$1100 Shipped!!


Perrin FMIC

-Retains Use Of OE Bypass Valve
-Bar And Plate Design
-Includes New Bumper Beam
$1199 Shipped

Add a Tial BOV and Flange for $225 to the FMIC Combo!!


AEM Water/Alcohol Injection System

-Water / Alcohol Kit is Designed to be Universal for Practically any Vehicle.
-Boost Safe lets you retard the timing or reduce boost if the system runs out of fluid or detects an error
-Alcohol Compatible (up to 50% in solution with water)

$375 Shipped




CLICK HERE FOR PERFORMANCE SPECIALS -- UPDATED DAILY


Call in to order!
We accept Visa, Mastercard, and paypal.
[email protected], please specify vehicle, part, and your info.

Thanks,
Gruppe-S Sales

www.gruppe-s.com
20521 Teresita Way
Lake Forest, CA 92630
949-457-1234 x 2
 

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Discussion Starter #2
Hey Guys we just got in the AEM Water/Alcohol Injection System in stock. Added to the original post.
 

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Discussion Starter #3
Now in stock IHI VF22 Turbo!

The IHI VF22 is a DIRECT bolt-on upgrade for your WRX. The VF22 adds mid-range punch as well as much-better top-end performance vs. the factory Mitsubishi TD04 turbocharger. Typical gains are 20% in peak horsepower, and a huge 30% gain in torque over the stock turbo at redline.
IHI VF22 Turbo $699 Shipped!
 

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Discussion Starter #4
Now in stock IHI VF22 Turbo!

The IHI VF22 is a DIRECT bolt-on upgrade for your WRX. The VF22 adds mid-range punch as well as much-better top-end performance vs. the factory Mitsubishi TD04 turbocharger. Typical gains are 20% in peak horsepower, and a huge 30% gain in torque over the stock turbo at redline.
IHI VF22 Turbo $699 Shipped!
Wow! Looks are all VF22 have been sold. Looks like time to reorder some more!
Gruppe-S
 

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will the gruppe-s header fit the stock 2.5L sti uppie?
 

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Discussion Starter #6
will the gruppe-s header fit the stock 2.5L sti uppie?
Yes the factory Up-Pipe will fit, however since the exhaust manifold has to be removed to get to the downpipe. I suggest doing it at the same time to save yourself the time and labor.
Thanks
Gruppe-S
 

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Discussion Starter #7 (Edited)
Good News we just got 5 Greddy TI-C Catback Exhaust In Stock! Dont miss out, this exhaust is in high demand and difficult to find. Best Price anywhere. .

Greddy TI-C Exhaust

Greddy TI-C Exhaust $499 Shipped

Add a Helix Catted Downpipe For $300
 

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Discussion Starter #8
Great News the Gruppe-S Y-Pipe Kit has Just Come In Special Price $75 Shipped!
Gruppe-S Y-Pipe Kit

The Gruppe-S intercooler hose kit replaces the corrugated rubber stock y-pipe, smoothing and increasing the airflow, making for a nice increase in power and better boost response. Includes a cast-aluminum Y-pipe, premium quality 4-ply silicon hoses, clamps. This kit will work for STi TMICs being installed on WRXs.
Gruppe-S Y-Pipe Kit 02-05 WRX $75 Shipped
 

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