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Your cart is empty. Industry-first (and patent-pending) DOHC EJ Cylinder 4 Combustion Chamber Cooling kit increases coolant flow in the LH head to improve reliability by reducing detonation causing hot spots, reducing EGT delta, and improving overall cooling system performance. Features
High grade silicone hose
Stainless Pinch clamp
Custom machined and anodized 6061 fitting
Plastic or Stainless 5/8 T
316SS or 304SS embossed worm clamps (subject to market availability)
Includes Instructions
Please Note: Does not fit 2010+ LGT Compatible with:
2002 - 2014 Subaru WRX
2004 - 2020 Subaru STI
2004 - 2008 Subaru Forester XT
2005 - 2009 Subaru Legacy GT What's In The Box?
1 - Coolant Pipe (Assembled)
1 - Stainless 5/8 T
3 - Embossed Worm Clamps
Instructions Warranty
Manufacturer Standard Warranty
George L Perez
2025-08-16 17:17:58
This product is vastly superior to any imitations out there. Do your self and your car a favor, only install quality parts from reputable companies like getadomtune. You can't go wrong. Mine was even specially curved on the hose to fit everything. Car is no longer getting "heat soaked"
Customer
2025-07-23 11:37:03
IAG never disappoints
Austin
2025-07-14 14:44:58
Just do this install. Especially if you are swapping motors or resealing a motor. My engine temps run cooler and I have peace of mind knowing my block has coolant resurculation evenly throughout the motor.ðŸ‘
Jay M
2025-07-05 17:14:23
When i bought this, the picture shows a straight hose but the one provided is the new revision with an L shaped hose. This made splicing into the heater hose a lot easier. i didn't have to worry about any kinks during installation. Thanks Dom!
Rob38
2025-07-02 17:02:22
The hose they sent me had a 90 degree angle which makes it fit in even better! Living in Arizona cooling mods are definitely needed. Took my subie on a 3 hour drive when it was 90-95F coolant temp only touched 204 once when I stopped at the rest stop. Next upgrade is a bigger radiator ðŸ˜
Michael M.
2025-06-18 11:36:36
Good quality as expected given the price compared to others
Daniel Duran
2025-04-16 18:43:28
Installing this for rid of almost all the feedback knock I was seeing on my AP. The engine seems more happy, and I feel more happy knowing that it helped. I installed this on my 2021 Subaru WRX STI without much difficulty. The instructions that you get on Dom's website tell you everything you'll need for the install, which I found all at Lowes.
P.E.
2025-02-04 12:29:12
its a cheap knock off
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