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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.
25,295 398,520
Share the latest Subaru news, gossip, and rumors. Post it here for all to see.
1,095 28,085
Read and post your how-to installations. Check out HSPN How-To / Install Videos.
608 16,848
Ask questions, share photos, or share knowledge about cameras and camera equipment.
3,948 86,500
STI related videos. Please post non-sti videos in non-sti video subforum.
Sponsored by Subie TV
6,807 94,587
Discuss your favorite detailing products, find out how to remove nasty waterspots or imperfections in your paint.
Sponsored by Detailer's Domain
06-29-15 09:55 AM Go to last post
1,617 18,745
This news related to the upcoming Subaru BRZ STI. This will be expanded or merged as necessary in the future.
by SubySal
06-17-15 08:09 PM Go to last post
182 5,500
This is for all member journals dedicated to all other vehicles.
223 10,784
16,151 250,980

IWSTI Engine & Drivetrain
  Forum Last Post Threads Posts
Discuss things like ECU related electronics and data monitors, etc...
Today 03:54 AM Go to last post
9,216 98,941
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!
06-09-15 07:21 AM Go to last post
13 241
Discuss the Subaru 2.5L factory motor. Please post exhaust related discussion in the exhaust forum.
23,981 320,039
Discuss building, modifying, or swapping your engine internals or aftermarket engine upgrades.
1,335 19,476
Discuss things related to clutches, gears, differentials, driveshafts, etc...
by krisr33
07-02-15 07:09 PM Go to last post
5,957 67,228
Discuss water and methanol injection, nitrous, or methods to lower the intercooler's temperature.
by MRGLASS
06-25-15 10:08 AM Go to last post
353 5,284

STi Marketplace
  Forum Last Post Threads Posts
SubaruPartsStore.net   Fred Beans   Perrin Performance   OEM Audio Plus   Edge Autosport   Subispeed.com   ProLightz
by ejicon
07-05-15 03:32 PM Go to last post
291 1,875
Share your experiences with STi Dealers, Vendors, and Aftermarket Products & Accessories.
Check out the new IWSTI Reviews section here.
400 6,956
This is an area where Vendors can post their announcements, information about project cars, or build ups.
2,248 34,591
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.
509 20,263
STIs For Sale. This forum is for selling cars ONLY.
by Milosch
Today 06:40 AM Go to last post
5,804 65,234
Parts for sale by our members. Search by region:
Never 0 0
New parts for sale by our vendors.
Never 0 0
by funks
Yesterday 05:49 PM Go to last post
1,603 8,929

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.
189 6,605
Use this forum to create a thread featuring your subaru from the day you received through each stage of its modification.
210 7,139
Today 07:20 AM Go to last post
2,273 66,695
Used parts for sale from our members.
by MMM.PWR
Today 06:55 AM Go to last post
560 4,138
New parts for sale from our vendors.
80 1,715

GR Series STi Discussion (2008+)
  Forum Last Post Threads Posts
Document your build story after each modification. Check out the Members' Journals FAQ.
Today 06:28 AM Go to last post
1,264 90,318
Discussion for general 08+ STIs. Please use the technical subforums for specific 08+ STI topics.
15,390 320,270
Find items for sale by IWSTI members (not vendors) here. Please read about the requirements to post in this forum.
Today 04:59 AM Go to last post
14,611 100,480
This forum is for Authorized Vendors to post 2008+ STI performance parts & accessories. Please Contact Us to become an Authorized Vendor.
1,394 41,133

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.
3,008 233,479
Discussion for general 2003/4-07 topics. Please use the technical subforums below for specific 03-07 topics.
by Peleg
Yesterday 08:22 PM Go to last post
31,105 395,433
Find items for sale by IWSTI members (not vendors) here. Please read about the requirements to post in this forum.
40,759 265,553
This forum is for Authorized Vendors to post 03/04-2007 STI performance parts & accessories. Please Contact Us to become an Authorized Vendor.
3,406 109,387

Beyond Off Topic
  Forum Last Post Threads Posts
Anything not related to the STi or technical content.
Today 06:53 AM Go to last post
17,207 429,003
Read the lastest site news or post your site comments, criticisms, or bug report in here.
by 15_STI
07-05-15 05:34 PM Go to last post
1,433 17,555


What's Going On?
Subaru Impreza WRX STI Forums: IWSTI.com Statistics
Subaru Impreza WRX STI Forums: IWSTI.com Statistics
Threads: 256,981, Posts: 3,745,881, Members: 102,721
Welcome to our newest member, squirrell

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