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Ignitions and Electrical› Computers, Chips, Modules and Programmers
GetaDomTune
Cylinder 4 Chamber Cooling Mod
SKU: GDTCYL4COOL
Moderate — 2–4 hours
Overview
The V7 kit features a custom machined and anodized 6061 fitting, a billet aluminum T fitting, a custom-formed NBR hose, and four 304 stainless steel worm clamps. The billet aluminum T fitting in this version offers improved sealing, aesthetics, reduced chemical reactivity, and easier installation compared to previous versions. This system is compatible with all years and models of Subaru EJ engines except for the 2010+ Legacy GT.
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Vehicle Symptoms
- Knocking or pinging from cylinder 4 under load
- High exhaust gas temperatures (EGT) on cylinder 4
- Loss of power or hesitation during acceleration
- Engine overheating specifically on cylinder 4 side
- Persistent misfire on cylinder 4 after tuning
Diagnostic Codes
- P0304 – Cylinder 4 misfire Det
Relevant Conversations
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- Cylinder 4 cooling kit install on WRX
- P0304 code on tuned Subaru EJ
- Best way to cool cylinder 4 on DOHC EJ
- Cylinder 4 knock sensor false readings
- GDT vs IAG cylinder 4 cooling system
Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.
Fitment
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Specifications
| Brand | GetaDomTune |
| Part Number | GDTCYL4COOL |
| Category | Ignitions and Electrical |
Videos
How To Install A Cylinder 4 Cooling Mod On A Subaru STI | GETADOMTUNE | + GIVEAWAY WINNER
Installation explanation... it's very easy.
GetaDomTune Cylinder 4 Chamber Cooling System - What's in the Box
Reverse Cooling and how it applies to Subarus
GETADOMTUNE cylinder 4 cooling mod. How to by Mike Foss
Cylinder Head Cooling Modification Release
Cooling Mod Experiment
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Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
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