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IWSTI Lounge
  Forum Last Post Threads Posts
Click here for: 2015+ Topics, 2008-2014 Topics or 2004-2007 Topics. If your post is not related to Subaru please post in Off-Topic.
25,392 399,231
Share the latest Subaru news, gossip, and rumors. Post it here for all to see.
1,096 28,104
Read and post your how-to installations. Check out HSPN How-To / Install Videos.
613 16,929
Ask questions, share photos, or share knowledge about cameras and camera equipment.
3,949 86,548
STI related videos. Please post non-sti videos in non-sti video subforum.
Sponsored by Subie TV
Yesterday 06:30 PM Go to last post
6,810 94,611
Discuss your favorite detailing products, find out how to remove nasty waterspots or imperfections in your paint.
Sponsored by Detailer's Domain
1,621 18,802
This news related to the upcoming Subaru BRZ STI. This will be expanded or merged as necessary in the future.
07-24-15 05:58 AM Go to last post
182 5,502
This is for all member journals dedicated to all other vehicles.
by Gigs
08-31-15 07:45 PM Go to last post
225 10,846
by wizner
Yesterday 05:50 AM Go to last post
16,175 251,134

IWSTI Engine & Drivetrain
  Forum Last Post Threads Posts
Discuss things like ECU related electronics and data monitors, etc...
08-31-15 07:11 PM Go to last post
9,232 99,087
New for the 2015 WRX, this motor is expected to make its way to the STI in the near future but we don't yet have any official word from Subaru on this. Stay tuned!
by alldway
07-27-15 06:03 PM Go to last post
13 242
Discuss the Subaru 2.5L factory motor. Please post exhaust related discussion in the exhaust forum.
by TimM
Yesterday 04:35 PM Go to last post
24,038 320,762
Discuss building, modifying, or swapping your engine internals or aftermarket engine upgrades.
1,346 19,613
Discuss things related to clutches, gears, differentials, driveshafts, etc...
08-31-15 06:24 PM Go to last post
5,965 67,285
Discuss water and methanol injection, nitrous, or methods to lower the intercooler's temperature.
by maxouni
08-31-15 10:42 AM Go to last post
354 5,319

STi Marketplace
  Forum Last Post Threads Posts
SubaruPartsStore.net   Perrin Performance   OEM Audio Plus   Subispeed.com
100 917
Share your experiences with STi Dealers, Vendors, and Aftermarket Products & Accessories.
Check out the new IWSTI Reviews section here.
403 6,968
This is an area where Vendors can post their announcements, information about project cars, or build ups.
2,252 34,641
This forum is for vendors to post group buys for IWSTI.com members. IWSTI.com does its best to work with reputable vendors, however, we take no responsibility in transactions carried out here.
510 20,322
STIs For Sale. This forum is for selling cars ONLY.
FS (USA,PA): PSM 2004 STi
Yesterday 09:02 PM Go to last post
5,874 65,686
Parts for sale by our members. Search by region:
Never 0 0
New parts for sale by our vendors.
Never 0 0
Yesterday 08:36 PM Go to last post
1,608 9,001

No-Nonsense Quote
No-Nonsense Quote
2015+ STI Discussion Forum
  Forum Last Post Threads Posts
New to the Subaru purchasing world? Come here to talk about different topics related to the release and the purchase of a new Subaru STI.
Sponsored by IWSTI's Preferred Dealer: Heuberger Motors
204 6,865
Use this forum to create a thread featuring your subaru from the day you received through each stage of its modification.
238 7,852
Question Maintenance Oil Filters
Today 06:37 AM Go to last post
2,507 72,052
Used parts for sale from our members.
Today 05:03 AM Go to last post
707 5,353
New parts for sale from our vendors.
86 2,029

GR Series STi Discussion (2008+)
  Forum Last Post Threads Posts
Document your build story after each modification. Check out the Members' Journals FAQ.
1,268 91,336
Discussion for general 08+ STIs. Please use the technical subforums for specific 08+ STI topics.
15,445 320,988
Find items for sale by IWSTI members (not vendors) here. Please read about the requirements to post in this forum.
by cyrax91
Today 06:34 AM Go to last post
14,834 101,664
This forum is for Authorized Vendors to post 2008+ STI performance parts & accessories. Please Contact Us to become an Authorized Vendor.
1,405 41,678

GD Series STi Discussion (2003/4-2007)
  Forum Last Post Threads Posts
Share your build story w/photos after each modification. Check out the FAQ to get started.
3,012 234,277
Discussion for general 2003/4-07 topics. Please use the technical subforums below for specific 03-07 topics.
Yesterday 02:51 PM Go to last post
31,137 395,653
Find items for sale by IWSTI members (not vendors) here. Please read about the requirements to post in this forum.
40,836 265,948
This forum is for Authorized Vendors to post 03/04-2007 STI performance parts & accessories. Please Contact Us to become an Authorized Vendor.
3,424 110,237

Beyond Off Topic
  Forum Last Post Threads Posts
Anything not related to the STi or technical content.
17,223 430,178
Read the lastest site news or post your site comments, criticisms, or bug report in here.
08-21-15 03:41 AM Go to last post
1,438 17,571


What's Going On?
Subaru Impreza WRX STI Forums: IWSTI.com Statistics
Subaru Impreza WRX STI Forums: IWSTI.com Statistics
Threads: 258,197, Posts: 3,763,855, Members: 103,607
Welcome to our newest member, MB-STI

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