2.5 Liter/Litre Factory Motor | IW STi Forum

GR-Exhausts

GD-Exhausts

Discuss anything related to the exhaust system, like muffler, catback, and turboback exhaust systems.

Sticky The Official STi engine Venting, A/O Separators, and Catch Cans Thread!!

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by killerbmotorsport

Sticky Compression-Leakdown basic information

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Sticky AVCS Gear Cleaning Guide! (Read this if you spun a bearing!)

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by Undyjr

Sticky Your answer to "I want 400whp" (or more?!)

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Sticky Read this before you create a new thread about BOVs (Blow-off valves)

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Sticky Motor Oil - All Chapters, Inclusive -Hat Tip to Ferrarichat.com

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Sticky Everything you need to know about E85

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Sticky Extremely good info for first time turbo owners (Determining Turbo Serviceability)

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Sticky Comprehensive Subaru CEL Code List (XLS File Attached)

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by 2.5 turbo hyped

Sticky UPDATED 03/03/10: Planning a turbo build? This is roughly what it will cost you.

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What connector is this ?

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Oil Consumption 1 qt per 300 miles????

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524

Do I have ringland failure?

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186

P0024 code in Stage 2 pro-tuned 2010 STI SE and resolution

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by Ybngaz

New to manual and Sti. Engine lugging questions

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by killerbmotorsport

DIY Heat Managment for Cobb SF Intake Airbox

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by Dustinofftheheat

Easy 10% power gain: wastegate as exhaust bypass

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by knyg

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783

Help! STi running HOT!

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ELH Sizes and Specs.

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by CEEBEE

2013 STi turbo recommendation.

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by Juke Lohnson

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510

Check Engine Light on and Stuck in Sport Mode :(

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23K

by Asaph

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by 2bMeh

Camshaft Position Sensor Code + Rapidly Burning (& dirty) Oil = Ringland Failure?

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by Drewzn

Thermo-Tec Modular Coolers

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254

Stock Motor/Fuel injectors

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by Meech

Driver side ticking

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by Meech

TURBO SPOOL LOUD WHINE!

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455

efr7163 vs gtx3076r 0.82ar (built block, on tmic, +full supporting mods)

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by [email protected]

Blouch 49 lb wheel on P&L rotated kit? (2011 STI)

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by [email protected]

Help!!! Car Engine will not start.

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332

The Right Clutch

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2019 only 10.5 psi

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by magnetite2020sti

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Car cuts out while driving has trouble starting after

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STI cranks but won't start - advice?

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2017 sti oil pressure issue

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Oil Starvation, Cornering

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by killerbmotorsport

Oil pressure fluctuation and rough idle 2005 STI (Possibly Solved)

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rear differential temp sensor

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38K

Will i have to tune for headers?

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38K

by Karlot

JDM Twin Scroll ELH on a NON twin scroll turbo?

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by a5m