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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.
25,733 402,083
Share the latest Subaru news, gossip, and rumors. Post it here for all to see.
1,115 28,632
Read and post your how-to installations. Check out HSPN How-To / Install Videos.
by Mitus
05-01-16 08:44 PM Go to last post
626 17,046
Ask questions, share photos, or share knowledge about cameras and camera equipment.
3,955 86,790
STI related videos. Please post non-sti videos in non-sti video subforum.
Sponsored by Subie TV
by Kaimino
05-01-16 05:35 PM Go to last post
6,822 94,652
Discuss your favorite detailing products, find out how to remove nasty waterspots or imperfections in your paint.
Sponsored by Detailer's Domain
04-23-16 09:36 AM Go to last post
1,649 18,934
This news related to the upcoming Subaru BRZ STI. This will be expanded or merged as necessary in the future.
04-12-16 12:54 PM Go to last post
182 5,509
This is for all member journals dedicated to all other vehicles.
Yesterday 11:07 PM Go to last post
230 11,098
by bjielsl
Yesterday 09:15 AM Go to last post
16,276 251,650

IWSTI Engine & Drivetrain
  Forum Last Post Threads Posts
Discuss things like ECU related electronics and data monitors, etc...
Yesterday 03:16 PM Go to last post
9,290 99,580
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!
13 247
Discuss the Subaru 2.5L factory motor. Please post exhaust related discussion in the exhaust forum.
24,225 323,012
Discuss building, modifying, or swapping your engine internals or aftermarket engine upgrades.
by wdb
Yesterday 06:30 AM Go to last post
1,380 20,277
Discuss things related to clutches, gears, differentials, driveshafts, etc...
05-01-16 10:05 AM Go to last post
5,995 67,647
Discuss water and methanol injection, nitrous, or methods to lower the intercooler's temperature.
by Slide
03-31-16 08:08 PM Go to last post
356 5,336

STi Marketplace
  Forum Last Post Threads Posts
SubaruPartsStore.net   KNS Brakes  Perrin Performance   OEM Audio Plus   Subispeed.com
135 1,096
Share your experiences with STi Dealers, Vendors, and Aftermarket Products & Accessories.
Check out the new IWSTI Reviews section here.
05-01-16 01:29 PM Go to last post
410 7,030
This is an area where Vendors can post their announcements, information about project cars, or build ups.
02-10-16 10:51 AM Go to last post
2,262 34,695
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.
514 20,596
STIs For Sale. This forum is for selling cars ONLY.
Yesterday 02:58 PM Go to last post
6,032 66,897
Parts for sale by our members. Search by region:
Never 0 0
New parts for sale by our vendors.
Never 0 0
1,631 9,330

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
272 8,166
Use this forum to create a thread featuring your subaru from the day you received through each stage of its modification.
by GRTWHTE
Yesterday 12:26 PM Go to last post
337 10,651
by WarAmp
Yesterday 11:39 PM Go to last post
3,328 91,575
Used parts for sale from our members.
Yesterday 07:22 PM Go to last post
1,399 10,892
New parts for sale from our vendors.
145 3,408

GR Series STi Discussion (2008+)
  Forum Last Post Threads Posts
Document your build story after each modification. Check out the Members' Journals FAQ.
1,290 94,977
Discussion for general 08+ STIs. Please use the technical subforums for specific 08+ STI topics.
by Noximus
Yesterday 10:53 PM Go to last post
15,679 323,887
Find items for sale by IWSTI members (not vendors) here. Please read about the requirements to post in this forum.
FS (USA,GA): 08-14 OEM STi HID...
Yesterday 10:07 PM Go to last post
15,580 105,869
This forum is for Authorized Vendors to post 2008+ STI performance parts & accessories. Please Contact Us to become an Authorized Vendor.
1,490 43,869

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.
3,026 236,636
04-27-16 08:32 AM Go to last post
31,249 396,601
Find items for sale by IWSTI members (not vendors) here. Please read about the requirements to post in this forum.
Yesterday 09:21 PM Go to last post
41,221 267,570
This forum is for Authorized Vendors to post 03/04-2007 STI performance parts & accessories. Please Contact Us to become an Authorized Vendor.
3,495 112,826

Beyond Off Topic
  Forum Last Post Threads Posts
Anything not related to the STi or technical content.
by mofoSTI
Yesterday 07:26 PM Go to last post
17,273 431,796
Read the lastest site news or post your site comments, criticisms, or bug report in here.
by ckim
04-24-16 09:48 PM Go to last post
1,482 17,659


What's Going On?
Subaru Impreza WRX STI Forums: IWSTI.com Statistics
Subaru Impreza WRX STI Forums: IWSTI.com Statistics
Threads: 262,906, Posts: 3,827,585, Members: 107,171
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