--- title: The Moditorium | Subaru WRX / WRX STI description: Subaru WRX / WRX STI | A high performance automotive resource for parts, how-to's, projects, buyer's guides, technical, events, and more. --- [Skip to main content](https://blog.edgeautosport.com/topic/subaru-wrx-wrx-sti#maincontent) [Sign In](https://edgeautosport.com/login.php) [Create an Account](https://edgeautosport.com/login.php?action=create_account) [My Account](https://edgeautosport.com/login.php?from=account.php%3Faction%3D) [My Favorites](https://edgeautosport.com/login.php?from=wishlist.php%3F) [(303) 268-2140](tel:303-268-2140) [![edge-autosport-logo-color](https://blog.edgeautosport.com/hubfs/assets/edge-autosport-logo-color.svg) ![edge-autosport-logo-white](https://blog.edgeautosport.com/hubfs/assets/edge-autosport-logo-white.svg)](https://edgeautosport.com/) Blog Categories Honda - [Civic 1.5T/Si 2016-current](https://blog.edgeautosport.com/topic/honda-civic-1-5t-si-2016-current) - [Civic Type R 2017-current](https://blog.edgeautosport.com/topic/honda-civic-type-r-2017-current) Ford - [Focus ST 2013-2018](https://blog.edgeautosport.com/topic/ford-focus-st-2013-2018) - [Explorer ST 2020-current](https://blog.edgeautosport.com/topic/ford-explorer-st-2020-current) Mazda - [Mazdaspeed 3 2007-2013](https://blog.edgeautosport.com/topic/mazdaspeed-3-2007-2013) - [Mazdaspeed 6 2006-2007](https://blog.edgeautosport.com/topic/mazdaspeed-6-2006-2007) Subaru - [WRX 2015-2021 (FA20)](https://blog.edgeautosport.com/topic/subaru-wrx-2015-2021) - [WRX/STI 2008-2021 (EJ25)](https://blog.edgeautosport.com/topic/subaru-wrx-wrx-sti) Projects - [Project FC3 - 2017 Civic Si Coupe](https://blog.edgeautosport.com/topic/project-fc3-civic-si) Shop All Parts [Engine](https://edgeautosport.com/categories/engine.html) [Intake](https://edgeautosport.com/categories/intake.html) [Exhaust](https://edgeautosport.com/categories/exhaust.html) [Turbocharger](https://edgeautosport.com/categories/engine/turbocharger.html) [Suspension](https://edgeautosport.com/categories/suspension.html) [Drivetrain](https://edgeautosport.com/categories/drivetrain.html) Find the best selection of performance parts and accessories. 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Search for topics or resources Close Search Blog Categories Blog Categories Honda Honda [Civic 1.5T/Si 2016-current](https://blog.edgeautosport.com/topic/honda-civic-1-5t-si-2016-current) [Civic Type R 2017-current](https://blog.edgeautosport.com/topic/honda-civic-type-r-2017-current) Ford Ford [Focus ST 2013-2018](https://blog.edgeautosport.com/topic/ford-focus-st-2013-2018) [Explorer ST 2020-current](https://blog.edgeautosport.com/topic/ford-explorer-st-2020-current) Mazda Mazda [Mazdaspeed 3 2007-2013](https://blog.edgeautosport.com/topic/mazdaspeed-3-2007-2013) [Mazdaspeed 6 2006-2007](https://blog.edgeautosport.com/topic/mazdaspeed-6-2006-2007) Subaru Subaru [WRX 2015-2021 (FA20)](https://blog.edgeautosport.com/topic/subaru-wrx-2015-2021) [WRX/STI 2008-2021 (EJ25)](https://blog.edgeautosport.com/topic/subaru-wrx-wrx-sti) Projects Projects [Project FC3 - 2017 Civic Si Coupe](https://blog.edgeautosport.com/topic/project-fc3-civic-si) Shop All Parts Shop All Parts Engine Engine [Engine](https://edgeautosport.com/categories/engine.html) Intake Intake [Intake](https://edgeautosport.com/categories/intake.html) Exhaust Exhaust [Exhaust](https://edgeautosport.com/categories/exhaust.html) Turbocharger Turbocharger [Turbocharger](https://edgeautosport.com/categories/engine/turbocharger.html) Suspension Suspension [Suspension](https://edgeautosport.com/categories/suspension.html) Drivetrain Drivetrain [Drivetrain](https://edgeautosport.com/categories/drivetrain.html) [Sign In](https://edgeautosport.com/login.php) [Create an Account](https://edgeautosport.com/login.php?action=create_account) [My Account](https://edgeautosport.com/login.php?from=account.php%3Faction%3D) [My Favorites](https://edgeautosport.com/login.php?from=wishlist.php%3F) [(303) 268-2140](tel:303-268-2140) [My Cart](https://edgeautosport.com/cart.php) [Blog](https://blog.edgeautosport.com/) / [The Moditorium](https://blog.edgeautosport.com) / Subaru WRX / WRX STI # Subaru WRX / WRX STI The Moditorium [How to Plan a 2015-2021 WRX Build](https://blog.edgeautosport.com/how-to-plan-a-2015-wrx-fa20dit-build) [Subaru WRX / WRX STI](https://blog.edgeautosport.com/topic/subaru-wrx-wrx-sti) ## How to Plan a 2015-2021 WRX Build November 20th, 2023|8 min read [4 Reasons to Upgrade Your WRX or STI Intercooler](https://blog.edgeautosport.com/4-reasons-why-a-top-mount-intercooler-upgrade-makes-sense-for-your-subaru-wrx-or-sti) [Subaru WRX / WRX STI](https://blog.edgeautosport.com/topic/subaru-wrx-wrx-sti) ## 4 Reasons to Upgrade Your WRX or STI Intercooler November 8th, 2023|3 min read [Using E85 in a Subaru WRX/STI EJ25: A Guide](https://blog.edgeautosport.com/how-to-switch-your-ej-powered-subaru-wrx-to-e85) [Subaru WRX / WRX STI](https://blog.edgeautosport.com/topic/subaru-wrx-wrx-sti) ## Using E85 in a Subaru WRX/STI EJ25: A Guide November 8th, 2023|4 min read [Does the Subaru WRX and STI Really Need a Catch Can?](https://blog.edgeautosport.com/does-the-subaru-wrx-and-sti-really-need-a-catch-can) [Subaru WRX / WRX STI](https://blog.edgeautosport.com/topic/subaru-wrx-wrx-sti) ## Does the Subaru WRX and STI Really Need a Catch Can? November 8th, 2023|4 min read [3 Port Electronic Boost Control Solenoid: What and Why?](https://blog.edgeautosport.com/3-port-electronic-boost-control-solenoid-what-and-why) [Subaru WRX / WRX STI](https://blog.edgeautosport.com/topic/subaru-wrx-wrx-sti) | [Mazdaspeed 3 2007-2013](https://blog.edgeautosport.com/topic/mazdaspeed-3-2007-2013) | [Mazdaspeed 6 2006-2007](https://blog.edgeautosport.com/topic/mazdaspeed-6-2006-2007) ## 3 Port Electronic Boost Control Solenoid: What and Why? November 8th, 2023|3 min read ## Stay up to date on all the latest reviews, guides, tech, products, and more. [Why the Cobb AP Should Be Your WRX’s First Modification](https://blog.edgeautosport.com/why-the-cobb-ap-should-be-your-wrxs-first-modification) [Subaru WRX / WRX STI](https://blog.edgeautosport.com/topic/subaru-wrx-wrx-sti) ## Why the Cobb AP Should Be Your WRX’s First Modification October 30th, 2023|4 min read [New Product: Grimmspeed Catback Exhaust for Subaru WRX and STI](https://blog.edgeautosport.com/new-product-grimmspeed-catback-exhaust-for-subaru-wrx-and-sti) [Subaru WRX / WRX STI](https://blog.edgeautosport.com/topic/subaru-wrx-wrx-sti) ## New Product: Grimmspeed Catback Exhaust for Subaru WRX and STI September 14th, 2017|2 min read [Project Blue Boxer - Part 3: Nothing Too Flashy, Everything Functional](https://blog.edgeautosport.com/project-blue-boxer-part-3-nothing-too-flashy-everything-functional) [Subaru WRX / WRX STI](https://blog.edgeautosport.com/topic/subaru-wrx-wrx-sti) ## Project Blue Boxer - Part 3: Nothing Too Flashy, Everything Functional February 13th, 2017|5 min read [Project Blue Boxer - Part 2: Exhaust, Brakes, Wheels, Tires, and More Tuning](https://blog.edgeautosport.com/project-blue-boxer-part-2) [Subaru WRX / WRX STI](https://blog.edgeautosport.com/topic/subaru-wrx-wrx-sti) ## Project Blue Boxer - Part 2: Exhaust, Brakes, Wheels, Tires, and More Tuning November 7th, 2016|6 min read [Project Blue Boxer - Part 1: Tuning](https://blog.edgeautosport.com/project-blue-boxer-part-1-tuning) [Subaru WRX / WRX STI](https://blog.edgeautosport.com/topic/subaru-wrx-wrx-sti) ## Project Blue Boxer - Part 1: Tuning July 25th, 2016|3 min read [When Do You Need A Bigger Intake?](https://blog.edgeautosport.com/when-do-you-need-a-bigger-intake) [Insider](https://blog.edgeautosport.com/topic/insider) | [Subaru WRX / WRX STI](https://blog.edgeautosport.com/topic/subaru-wrx-wrx-sti) | [Mazdaspeed 3 2007-2013](https://blog.edgeautosport.com/topic/mazdaspeed-3-2007-2013) | [Mazdaspeed 6 2006-2007](https://blog.edgeautosport.com/topic/mazdaspeed-6-2006-2007) | [Subaru WRX 2015-2021](https://blog.edgeautosport.com/topic/subaru-wrx-2015-2021) ## When Do You Need A Bigger Intake? June 23rd, 2016|5 min read [Bolt-On Power for Your FA20DIT WRX](https://blog.edgeautosport.com/important-mods-for-your-fa20dit-2015-subaru-wrx) [Subaru WRX / WRX STI](https://blog.edgeautosport.com/topic/subaru-wrx-wrx-sti) ## Bolt-On Power for Your FA20DIT WRX December 17th, 2015|3 min read ## Ready to Mod? Find the best performance parts and get the best customer service right here. [Shop Now](https://edgeautosport.com) [Fast Subarus, Colorado Roads. Enough Said.](https://blog.edgeautosport.com/fast-subarus-colorado-roads-enough-said) [Subaru WRX / WRX STI](https://blog.edgeautosport.com/topic/subaru-wrx-wrx-sti) ## Fast Subarus, Colorado Roads. Enough Said. December 2nd, 2015|6 min read [Top 10 Subaru WRX Mods Under $150](https://blog.edgeautosport.com/top-10-subaru-wrx-mods-under-150) [Subaru WRX / WRX STI](https://blog.edgeautosport.com/topic/subaru-wrx-wrx-sti) ## Top 10 Subaru WRX Mods Under $150 November 13th, 2015|5 min read [1](https://blog.edgeautosport.com/topic/subaru-wrx-wrx-sti/page/1) Edge Autosport Camas, WA support@edgeautosport.com Social - [YouTube](https://www.youtube.com/edgeautosport) - [Instagram](https://www.instagram.com/edgeautosport) - [Facebook](https://www.facebook.com/edgeautosport) Resources - [About](https://edgeautosport.com/about/) - [Contact](https://edgeautosport.com/contact/) - [Financing](https://edgeautosport.com/financing/) - [Policies](https://edgeautosport.com/policies/) © 2026 EdgeAutosport.com All Rights Reserved. [Terms & Conditions](https://edgeautosport.com/policies/) ![](https://www.facebook.com/tr?id=218326825240606&ev=PageView&noscript=1)