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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.
25,069 396,347
Share the latest Subaru news, gossip, and rumors. Post it here for all to see.
1,088 28,008
Read and post your how-to installations. Check out HSPN How-To / Install Videos.
by colqy
Yesterday 12:15 PM Go to last post
591 16,584
Ask questions, share photos, or share knowledge about cameras and camera equipment.
3,945 86,361
STI related videos. Please post non-sti videos in non-sti video subforum.
Sponsored by Subie TV
Today 10:50 AM Go to last post
6,793 94,510
Discuss your favorite detailing products, find out how to remove nasty waterspots or imperfections in your paint.
Sponsored by Detailer's Domain
1,601 18,632
This news related to the upcoming Subaru BRZ STI. This will be expanded or merged as necessary in the future.
09-30-14 10:46 AM Go to last post
178 5,460
This is for all member journals dedicated to all other vehicles.
by Gigs
Yesterday 11:26 PM Go to last post
221 10,454
16,061 250,378

IWSTI Engine & Drivetrain
  Forum Last Post Threads Posts
Discuss things like ECU related electronics and data monitors, etc...
9,141 98,315
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!
01-28-15 05:13 AM Go to last post
9 227
Discuss the Subaru 2.5L factory motor. Please post exhaust related discussion in the exhaust forum.
23,780 317,309
Discuss building, modifying, or swapping your engine internals or aftermarket engine upgrades.
1,294 18,815
Discuss things related to clutches, gears, differentials, driveshafts, etc...
5,936 67,061
Discuss water and methanol injection, nitrous, or methods to lower the intercooler's temperature.
12-28-14 10:31 PM Go to last post
350 5,262

STi Marketplace
  Forum Last Post Threads Posts
SubaruPartsStore.net   Fred Beans   Perrin Performance   OEM Audio Plus   Edge Autosport   Subispeed.com   ProLightz
Yesterday 09:58 AM Go to last post
274 1,782
Share your experiences with STi Dealers, Vendors, and Aftermarket Products & Accessories.
Check out the new IWSTI Reviews section here.
01-25-15 09:33 AM Go to last post
390 6,860
This is an area where Vendors can post their announcements, information about project cars, or build ups.
2,237 34,431
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.
505 20,113
STIs For Sale. This forum is for selling cars ONLY.
Today 08:46 AM Go to last post
5,649 64,062
Parts for sale by our members. Search by region:
Never 0 0
New parts for sale by our vendors.
Never 0 0
1,592 8,747

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.
128 4,669
Use this forum to create a thread featuring your subaru from the day you received through each stage of its modification.
170 5,027
1,593 49,539
Used parts for sale from our members.
Today 07:36 AM Go to last post
271 1,800
New parts for sale from our vendors.
45 687

GR Series STi Discussion (2008+)
  Forum Last Post Threads Posts
Document your build story after each modification. Check out the Members' Journals FAQ.
1,233 87,074
Discussion for general 08+ STIs. Please use the technical subforums for specific 08+ STI topics.
15,205 317,270
Find items for sale by IWSTI members (not vendors) here. Please read about the requirements to post in this forum.
by Jun10r
Today 10:06 AM Go to last post
13,876 96,278
This forum is for Authorized Vendors to post 2008+ STI performance parts & accessories. Please Contact Us to become an Authorized Vendor.
1,340 39,390

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.
Yesterday 11:12 PM Go to last post
2,996 231,281
Discussion for general 2003/4-07 topics. Please use the technical subforums below for specific 03-07 topics.
31,015 394,685
Find items for sale by IWSTI members (not vendors) here. Please read about the requirements to post in this forum.
40,438 264,051
This forum is for Authorized Vendors to post 03/04-2007 STI performance parts & accessories. Please Contact Us to become an Authorized Vendor.
3,361 106,903

Beyond Off Topic
  Forum Last Post Threads Posts
Anything not related to the STi or technical content.
Yesterday 11:29 PM Go to last post
17,161 426,973
Read the lastest site news or post your site comments, criticisms, or bug report in here.
1,405 17,436


What's Going On?
Subaru Impreza WRX STI Forums: IWSTI.com Statistics
Subaru Impreza WRX STI Forums: IWSTI.com Statistics
Threads: 253,258, Posts: 3,689,650, Members: 99,821
Welcome to our newest member, Jun10r

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