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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.
by mheyman
Today 09:18 AM Go to last post
25,854 403,014
Share the latest Subaru news, gossip, and rumors. Post it here for all to see.
08-22-16 12:03 PM Go to last post
1,120 28,671
Read and post your how-to installations. Check out HSPN How-To / Install Videos.
628 17,095
Ask questions, share photos, or share knowledge about cameras and camera equipment.
3,961 86,831
STI related videos. Please post non-sti videos in non-sti video subforum.
Sponsored by Subie TV
6,824 94,669
Discuss your favorite detailing products, find out how to remove nasty waterspots or imperfections in your paint.
Sponsored by Detailer's Domain
1,669 19,010
This news related to the upcoming Subaru BRZ STI. This will be expanded or merged as necessary in the future.
183 5,516
This is for all member journals dedicated to all other vehicles.
Yesterday 04:32 PM Go to last post
232 11,160
16,318 251,820

IWSTI Engine & Drivetrain
  Forum Last Post Threads Posts
Discuss things like ECU related electronics and data monitors, etc...
Cobb Accesstuner: Accesstuner Race software...
by jason26
Today 01:10 PM Go to last post
9,311 99,793
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!
06-29-16 04:37 PM Go to last post
13 249
Discuss the Subaru 2.5L factory motor. Please post exhaust related discussion in the exhaust forum.
by CSO
Today 04:26 PM Go to last post
24,305 323,807
Discuss building, modifying, or swapping your engine internals or aftermarket engine upgrades.
08-23-16 11:42 AM Go to last post
1,400 20,632
Discuss things related to clutches, gears, differentials, driveshafts, etc...
Yesterday 04:08 PM Go to last post
6,008 67,724
Discuss water and methanol injection, nitrous, or methods to lower the intercooler's temperature.
by TonyT
08-23-16 08:32 AM Go to last post
356 5,341

STi Marketplace
  Forum Last Post Threads Posts
SubaruPartsStore.net   Perrin Performance   Subispeed.com
by Cheeks
08-23-16 10:47 AM Go to last post
122 890
Share your experiences with STi Dealers, Vendors, and Aftermarket Products & Accessories.
Check out the new IWSTI Reviews section here.
05-28-16 08:53 AM Go to last post
410 7,035
This is an area where Vendors can post their announcements, information about project cars, or build ups.
2,265 34,690
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 20,610
STIs For Sale. This forum is for selling cars ONLY.
6,143 67,613
Find parts for sale by our members.
Today 08:07 PM Go to last post
58,711 387,441
New parts for sale by our vendors.
Never 0 0
1,650 9,479

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
287 8,580
Use this forum to create a thread featuring your subaru from the day you received through each stage of its modification.
355 11,656
by Dampa
Today 09:13 PM Go to last post
3,703 98,977
Never 0 0
New parts for sale from our vendors.
176 4,152

GR Series STi Discussion (2008+)
  Forum Last Post Threads Posts
Document your build story after each modification. Check out the Members' Journals FAQ.
Today 05:17 PM Go to last post
1,298 96,328
Discussion for general 08+ STIs. Please use the technical subforums for specific 08+ STI topics.
15,786 324,948
Find items for sale by IWSTI members (not vendors) here. Please read about the requirements to post in this forum.
Never 0 0
This forum is for Authorized Vendors to post 2008+ STI performance parts & accessories. Please Contact Us to become an Authorized Vendor.
Yesterday 06:42 PM Go to last post
1,539 45,064

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.
by bue car
Today 06:53 PM Go to last post
3,033 238,055
by damstr
Today 04:47 PM Go to last post
31,279 396,771
Find items for sale by IWSTI members (not vendors) here. Please read about the requirements to post in this forum.
Never 0 0
This forum is for Authorized Vendors to post 03/04-2007 STI performance parts & accessories. Please Contact Us to become an Authorized Vendor.
3,526 113,672

Beyond Off Topic
  Forum Last Post Threads Posts
Anything not related to the STi or technical content.
17,291 432,386
Read the lastest site news or post your site comments, criticisms, or bug report in here.
by Kevin
07-26-16 09:33 PM Go to last post
1,478 17,707


What's Going On?
Subaru Impreza WRX STI Forums: IWSTI.com Statistics
Subaru Impreza WRX STI Forums: IWSTI.com Statistics
Threads: 264,612, Posts: 3,850,840, Members: 108,703
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