IW STi Forum banner
IWSTI Lounge New Posts in this section

General Subaru Discussion

407K 50.3M
  • 407K
  • 50.3M

Subaru News & Rumors

Share the latest Subaru news, gossip, and rumors. Post it here for all to see.
29.2K 6.3M
  • 29.2K
  • 6.3M

DIY Mods & Installations

Read and post your how-to installations.
17.4K 16M
  • 17.4K
  • 16M

Pictures & Photography

Ask questions, share photos, or share knowledge about cameras and camera equipment.
87.2K 19.2M
  • 87.2K
  • 19.2M

Video Collection

STI related videos. Please post non-sti videos in non-sti video subforum.
54.3K 5.7M
  • 54.3K
  • 5.7M

Detailing & Car Care

Discuss your favorite detailing products, find out how to remove nasty waterspots or imperfections in your paint.
19.1K 3.4M
  • 19.1K
  • 3.4M

Subaru BRZ STI

This news related to the upcoming Subaru BRZ STI. This will be expanded or merged as necessary in the future.
5.5K 1.4M
  • 5.5K
  • 1.4M

Other Members Journals

This is for all member journals dedicated to all other vehicles.
11.5K 2.6M
  • 11.5K
  • 2.6M
IWSTI Engine & Drivetrain New Posts in this section

ECU Tuning & Performance Electronics

Discuss things like ECU related electronics and data monitors, etc...
101K 19.7M
  • 101K
  • 19.7M

2.0 Liter Direct Injection Factory Motor

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!
270 140K
  • 270
  • 140K

2.5 Liter/Litre Factory Motor

Discuss the Subaru 2.5L factory motor. Please post exhaust related discussion in the exhaust forum.
328K 67.4M
  • 328K
  • 67.4M

Built Motor Discussion

Discuss building, modifying, or swapping your engine internals or aftermarket engine upgrades.
21.6K 6.6M
  • 21.6K
  • 6.6M

Drivetrain Components

Discuss things related to clutches, gears, differentials, driveshafts, etc...
68.1K 14.3M
  • 68.1K
  • 14.3M

Water-Meth Injection/Nitrous & Intercooler Cooling

Discuss water and methanol injection, nitrous, or methods to lower the intercooler's temperature.
5.4K 1.5M
  • 5.4K
  • 1.5M
2015+ STI Discussion Forum

STI Prices, Rates, Ordering, Options Discussions

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.
9.8K 1.7M
  • 9.8K
  • 1.7M

2015+ Member Journals

Use this forum to create a thread featuring your subaru from the day you received through each stage of its modification.
15.4K 3.3M
  • 15.4K
  • 3.3M

2015+ STI Discussion

134K 24.6M
  • 134K
  • 24.6M
GR Series STi Discussion (2008+) New Posts in this section

GR-Members' Journals

Document your build story after each modification.
102K 24.2M
  • 102K
  • 24.2M

GR-General

Discussion for general 08+ STIs. Please use the technical subforums for specific 08+ STI topics.
330K 81M
  • 330K
  • 81M
GD Series STi Discussion (2003/4-2007) New Posts in this section

GD-Members' Journals

Share your build story w/photos after each modification.
244K 35.3M
  • 244K
  • 35.3M

GD-General

Reviews/Comparisons/Thoughts Suspension/Handling Engine/Power Videos/Photos Wheels/Tires Exhaust Build Threads Brakes Interior Maintenance Transmission/Drivetrain Exterior Other
398K 76.4M
  • 398K
  • 76.4M
Marketplace

Detailing For Sale Forum

47 43.5K
  • 47
  • 43.5K

Review Dealers, Vendors, & Aftermarket Accessories

Share your experiences with STi Dealers, Vendors, and Aftermarket Products & Accessories.
7.1K 1.5M
  • 7.1K
  • 1.5M

2015+ Member Classified Ads

2 301
  • 2
  • 301

Cars For Sale

STIs For Sale. This forum is for selling cars ONLY.
70.5K 15.7M
  • 70.5K
  • 15.7M

Members Parts For Sale Classifieds

Find parts for sale by our members.
403K 51.7M
  • 403K
  • 51.7M

GR-Member Classified Ads

Find items for sale by IWSTI members (not vendors) here.
0 0
N/A
  • 0
  • 0
N/A

GD-Member Classified Ads

Find items for sale by IWSTI members (not vendors) here.
0 0
N/A
  • 0
  • 0
N/A

Other Stuff For Sale

9.9K 1.9M
  • 9.9K
  • 1.9M
Vendor Member Section

Vendor Announcements & Project Buildups

This is an area where Vendors can post their announcements, information about project cars, or build ups.
34.9K 5.4M
  • 34.9K
  • 5.4M

Vendor Deals

191K 20.8M
  • 191K
  • 20.8M

Aristocrat Autosport

111 16.2K
  • 111
  • 16.2K
Community Help Section Read the lastest site news or post your site comments, criticisms, or bug report in here.

Community Help

If you run across a bug or problem with the website please come here and share it with us so we can fix it ASAP.
4.9K 7.5M
  • 4.9K
  • 7.5M

Suggestions & Feedback

Let us know what you like or dislike. If you have an idea that you think would make IWSTI.com a better place, please share it with us!
13.5K 3M
  • 13.5K
  • 3M
Off Topic Section

Off Topic

Anything not related to the STi or technical content.
461K 29.2M
  • 461K
  • 29.2M

Non-STI Related / Off-Topic Videos

Please post your Non-STI related videos here.
40.5K 3.5M
  • 40.5K
  • 3.5M
Regional Forums

USA - SoCal

Post all your SoCal specific STi discussions & sightings here. Sponsored by
20K 1.6M
  • 20K
  • 1.6M

USA - NorCal

Post all your NorCal specific STi discussions & sightings here. Sponsored by
11.2K 702K
  • 11.2K
  • 702K

USA - Midwest

This forum is for those STi fans that reside in: North Dakota, South Dakota, Nebraska, Kansas, Minnesota, Iowa, Missouri, Michigan, Wisconsin, Illinois, Indiana, and Ohio
44.1K 2.9M
  • 44.1K
  • 2.9M

USA - Northeast

This forum is for those STi fans that reside in: Pennsylvania, New York, New Jersey, Connecticut, Rhode Island, Massachusetts, New Hampshire, Vermont, and Maine
68.1K 4.4M
  • 68.1K
  • 4.4M

USA - Northwest

This forum is for those STi fans that reside in: Idaho, Montana, Oregon, and Washington
9.9K 919K
  • 9.9K
  • 919K

USA - Mountain West

This forum is for STi fans that reside in: Colorado, Wyoming, New Mexico, Utah, Arizona, and Nevada. Presented by Flat4Engineering.Com
6.7K 612K
  • 6.7K
  • 612K

USA - South Atlantic

This forum is for those STi fans who reside in: Florida, Georgia, North Carolina and South Carolina
24.4K 1.6M
  • 24.4K
  • 1.6M

USA - Mid Atlantic

This forum is for those STi fans that reside in: Virginia, West Virginia, Maryland, Delaware, and DC
18K 1.1M
  • 18K
  • 1.1M

USA - South

This forum is for those STi fans that reside in: Kentucky, Tennessee, Alabama, Mississippi, Louisiana, Arkansas, Oklahoma
5.9K 391K
  • 5.9K
  • 391K

USA - Texas

This forum is for those STi fans that reside anywhere in Texas.
32.5K 1.8M
  • 32.5K
  • 1.8M

USA - Alaska

This forum is for those STi fans that live in Alaska.
209 35.6K
  • 209
  • 35.6K

USA - Hawaii

This forum is for STi fans that live in Hawaii
153 43K
  • 153
  • 43K

USA - Puerto Rico

This forum is for STi fans that live in Puerto Rico.
95 26.6K
  • 95
  • 26.6K

Canada

This forum is for our friendly STi fans from the north...
3.5K 565K
  • 3.5K
  • 565K

Europe

This forum is for our friendly STi fans from Europe.
6.8K 509K
  • 6.8K
  • 509K

Australia

This forum is for our friendly STi fans from Australia.
276 59.2K
  • 276
  • 59.2K

United Kingdom

This forum is for our friendly STi fans from the United Kingdom.
69 23.5K
  • 69
  • 23.5K

Asia

This forum is for our friendly STi fans from Asia.
371 62.6K
  • 371
  • 62.6K

South America

This forum is for our friendly STi fans from South America.
7 5.4K
  • 7
  • 5.4K

Other Regions

This forum is for our friendly STi fans from Other Regions.
28 11.1K
  • 28
  • 11.1K
Latest Posts See all new posts →

  1. MULTITUDES of exhaust options for your 2015+ WRX/STi - Available at OAKOS!

    2015+ Vendor Classified Ads

  2. 2019 WRX STI Series Grey OEM Suspension

    Suspension/Stiffening Parts For Sale

  3. Impreza 2.0L engine swap

    FAQ/Newbie Forum

  5. FS: CA Like New - GD TurboXS Full TurboBack - $400

    Engine/Drivetrain/Performance Parts For Sale

  6. 2009 Grb Spec C

    GR-Members' Journals
See all new posts →
IW STi Forum Since 2001 A forum community dedicated to Subaru Impreza and STI owners and enthusiasts. Come join the discussion about performance, engine builds, exhaust, modifications, troubleshooting, maintenance, and more!
4.1M posts
111.8K members
Join Community

Community Staff

View All
Parker
yamahaSHO
Nachos Libres

Top Contributors this Month

View All
E
04FXTi
mheyman
Popular Communities
Community avatar for Home Entertainment
Home Entertainment
1,280,000+ members
Join
Community avatar for Mountain Bike Reviews
Mountain Bike Reviews
450,000+ members
Join
Top