cylinder 4 cooling mod benefits

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Our balance kit will give you the confidence to push your engine further knowing it will reduce the chance of knock and allow the Cyl #4 piston to last longer. Cylinder 4 "cooling" mod : r/WRX - Reddit An aftermarket radiator and/or water pump upgrade could easily overcompensate. Is that correct? 1 0 obj The kit also includes a metal "T" fitting and pinch clamps. Each kit includes an assembled hose kit that features a high-grade silicone hose and custom machined 6061 anodized fitting. Stock plug is 12.7mm ID. (NB, on some vehicles, the position that the metal water pipe we attach to may vary slightly due to the length, you can trim the pipe if required to ensure that the hose does not kink). For A Chance To Win $3000 For Your Build. <> Ask any Subaru owner about issues and most will say something along the lines about cylinder 4 and ringlands. %PDF-1.7 RCM Cylinder 4 Cooling Mod Kit - Street Spec - Roger Clark Motorsport UK Sometimes just before race day. We work closely with our logistics partners who will ensure your goods arrive safely and in good time. This warranty covers defects in materials and workmanship of your IAG Performance Product for 12 Months or 12,000 Miles from the date of receipt. Absolutely. Save. Will that difference in ID make a difference? Powered By Horsepower, 10 Mills, and YOU! questions, feel like you received this message in error or would like suggestions on other brands please contact After that period, IAG is no longer responsible for missing items. Monday to Friday: 8.00am - 5.00pmSaturday: 9.00am - 1.00pmSunday: Closed, Telephone: +44 (0) 1455 610728Email: sales@rogerclarkmotorsport.co.uk, 2023 Roger Clark Motorsport UK So received the getadomtune it was different than instructions/photos, and I feel better. RCM's cost effective solution to this problem lies in our easy to fit Street Spec Cooling kit. I felt a lot better about driving my STI after installing this. Questions about your build or choosing the right product? Cylinder Cooling Mod, Cylinder 4 Coolant Mod Engine Cylinder Cooling Hose Adapter Kit Replacement for Subaru WRX STI XT Legacy GT. These higher cylinder temps also come into play as Subaru decided to locate the knock sensor nearest to cylinder 4 for this very reason. PDF PN: GDTCYL4COOL -SS Cylinder 4 Cooling Kit with Stainless Steel T You have 30 days to report any damaged or incorrect items, after that period IAG is no longer responsible for returns or exchanges. That looks cool to have multi data on one screen. Some states do not allow limitations on how long an implied warranty lasts. There are some good opinions here. Is it fair to say that running an EL header would have more benefit in terms of managing site specific heat? Some products may not be able to be returned. Cylinder 4 Cooling Mod - FB Tuning endobj Increasing the coolant flow through the rear of the cylinder head reduces cylinder temps significantly, allowing the engine to see less knock and therefore last longer. All DIYS and installs should be performed by trained individuals. See more Reply Save Like Tracking information will be sent to you once your order has been processed, alternatively you can track the consignment using the following web addresses: Guaranteed Saturday delivery also available if required. endobj Order processing may take 24-48 hours. The nature of the water passageways around this area means a lack of cooling can lead to an increase in the temperatures around this cylinder. Namely: There should a drain plug on the right side of the radiator on the bottom. 2 0 obj I'd like to learn of any tips or tricks the community has for performing this. If you have any I know the cylinder 4 cooling mod is really recommend for the EJ motors, but I couldn't really find too much about its impact on the FA. us For us in the trenches doing this stuff, we usually, at some point, say something is good enough. We limit the duration and remedies of all implied warranties, including, without limitation, the warranties of merchantability and fitness for a particular purpose to the duration of this express limited warranty. Before installing the Cyc4 cooling mod, the temperature differential between my oil temp and water temp is about 20 degree F when the car is up to normal running temp. Very please, I will be back. GDT Cylinder 4 Cooling Mod | Subaru WRX / STi | MAPerformance have any questions, feel like you received this message in error or would like suggestions on other brands We pride ourselves on providing you with the very best delivery service for your RCM Consignment. Maybe I could have drained more from the water pump connection to the lower radiator hose after coolant stopped draining from the radiator? With a galley plug on the back of the driver's side head removed and the heater core hose line cut. Benefits High quality MADE IN THE USA parts Easy to install Add to Cart . Orders placed after 3PM EST may not be processed the same day. I've seen some use the lower heater hose and some use the upper heater hose. It is not a place to buy/sell/trade or spread negativity/hate. Customer Service. us 1: Allow the engine to fully cool, remove engine undertray, then drain cooling system into a clean container, and set aside to refill after installation. How Reliable is a WRX? WRX Maintenance - MAPerformance This was released during last summer and I decided to give it a go on the STI. It ain't hot! /r/WRX is a place for Subaru fanatics to show off their rides, discuss modifications, mechanical issues, industry news, and more. The cooling mod provides another exit point and hence generates flow and keeps coolant moving around the cylinder head. If I have helped you feel free to give. A wire brush and a quick drying solvent such as acetone can be beneficial at this time. Kit Includes: PDF Instructions Download Manufactured by GDT - GETaDOMTUNE. Are you going to blow up your motor in some epic way if you don't bow to Dom and buy his kit? True benefit to cylinder 4 cooling mod? | IW STi Forum MondayFriday: 9:00AM5:00PM Not sure if this had been posted yet, but I was catching up on Smeedia's videos and saw he removed his cooling mod on his current build and that he won't be using this on his engines anymore. Understand your skill level and always take the proper safety precautions when working on a vehicle. While probably a minimal amount, it does reduce the percentage of coolant passing through the radiator. Come join the discussion about performance, engine builds, exhaust, modifications, troubleshooting, maintenance, and more! Ly+R=[|4C[3:E; ? EJ Cooling Flow Balance Kit for Subaru EJ20/EJ25 Engines Is there any temperature data that has been collected? Leaving cylinder 4 to see the highest coolant temps, least amount of fuel and most aggressive tuning. I have it on my race car and. Subaru STI Cylinder 4 Reverse Cooling Mod - YouTube USPS requires signature confirmation on all insured orders over $200.00. Refunds take 30 days or less. Dec 16, 2020. Free shipping on most orders over $249 in US 48. Extending the life of your engine for a small investment less than $100 is something we all love to do. JavaScript is disabled. Order Processing: Add to Cart . Customer Service 0> CESaqA|Y8HN9V>Y-taLz! However, now my heating system is behaving oddly since I put the tee rotated 90deg from the way the DOM mode is. Dom notes that cylinder 4 sees the hottest coolant temps due to a lack of flow. The Fuji Racing Coolant modification for the Subaru EJ Series Engines was designed to reduce the coolant passage dead spot which is located over cylinder 4. Add to Cart . That this is well worth the money and effort. GDT proudly offers the industry's first Subaru DOHC EJ Cylinder 4 Combustion Chamber Cooling kit that increases coolant flow in the left-hand cylinder head. Unfortunately, due to vendor restrictions we are unable to sell this brand within Australia or the UK. If you are purchasing goods from outside the UK, you will not be charged VAT. Link below to the explanation as to why it could be bad: Scan this QR code to download the app now. Fast shipping amazing service and car won't go boom! have any questions, feel like you received this message in error or would like suggestions on other brands This helps reduce knock and detonation in cylinder #4, which is known to cause the dreaded EJ ringland failure. I did not need to drain the entire cooling system since the coolant has only been in the system for 3 months. No sealant or cure time needed for the fitting Quality look you expect in your engine bay Allows your head on Cyl 4 to run cooler Reduces chance of knock High quality MADE IN THE USA components What it does: The red arrow is the change. There is only one of you and you are very important to many people, keep this in mind! All stocking products are subject to a 30 Day return policy. Great staff and shipping was prompt with no issues with my products. Part #: GDTCYL4COOL-SS 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. Longer delivery times for Scottish Highlands & Islands, Isle of Man, Channel Isles & Scilly Isles, Royal Mail - International Tracked & Signed for, Proof of Delivery can be found on the Royal Mail website, Proof of Delivery can be found on the DHL website, Proof of Delivery can be found on the DHL websiteFor confirmation of DHL international transit times please seehttps://www.dhlexpress.nl/sites/default/files/dhl_express_transit_times_2022.pdf. Absolutely. The remedies described below are your sole and exclusive remedies and our entire liability for any breach of this limited warranty. Yes, I have some data points. So after it was finished I quickly snapped a photo. Don't pay too much attention to the absolute temp values because it depends on where you have the sensors installed, only the amount of temperature differential between oil and water matter in this discussion. That is, if my oil temp is 190, my water temp will usually read 210 (not in the pic below). Simple to install and really great instructions. Dom's is 10mm ID. The RCM website gives you product pricing including and excluding VAT. I'll definitely purchase this for my next EJ. The driver's head sees a dead end to coolant flow that stagnates and raises temp cylinder temps for cylinder 4. That looked legit. Installation of this modification is pretty straight forward. Haven't heard of how ELH negates the Cyl 4 Cooling Mod. wUc Not sure if this had been posted yet, but I was catching up on Smeedia's videos and saw he removed his cooling mod on his current build and that he won't be using this on his engines anymore. Try this jalapeno son. This is then tee'd into the water matrix pipe directly above using the supplied fittings on the tee piece. (http://www.p65warnings.ca.gov), Torque Solution Cylinder 4 Coolant Mod: Subaru EJ Engines. Apparently it may be detrimental to the engine instead of beneficial. Improving the coolant's flow improves reliability by reducing detonation causing hot spots. IAG is not responsible for international customs charges, duties or brokerage fees. With many debates over why these issues occur. This mod claims to reduce the cylinder 4 "hot spot" which would mean that the coolant is absorbing more heat from cylinder 4. GetaDomTune cylinder 4 cooling mod! Showing cylinder 4 - Blingstrom If you are unsure of fitment or application then please contact us with your vehicles chassis number. xV[OQ~'? gjmZH@qE\*1,((K Add your clamps and breathe a sigh of relief knowing your cylinder 4 thanks you for your efforts. stream Does the line to the water pump route the coolant to the radiator? You do a great job maintaining your car, but youre ready to do even better. Rod bearings can also be a problem, but just use 5w40 oil and the bearings arent an issue anymore. If you Will it make the EJ bulletproof? XJman said: Your wrx has equal length headers already so the mod as far as I'm aware has no impact that can tangibly be proven. Benefits: Makes more power Longer lasting engine Easy to install - No steering shaft interference! 4 or more for $22.25/ea. The coolant galley plug is not the easiest thing to reach. 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. Customer Service. EJ Cooling System Balance Kit - Reliability Enhancement for your EJ255 You are on your way to having it completed. Facebook:https://www.facebook.com/vemsus, Instagram:https://www.instagram.com/vemsus, Hours You have 14 days to inspect your shipment and contents. | Free shipping over $199.00! VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. I was under the impression that the lower hose was correct because that is the return line to the water pump. Are you going to blow up your motor in some epic way if you don't bow to Dom and buy his kit? Improving the coolant's flow improves reliability by reducing detonation causing hot spots. 9800 Hemingway Avenue SouthCottage Grove, MN 55016, Mon-Fri: 6:00am - 6:00pmSat & Sun: Closed, Taxes and shipping calculated at checkout, Get your purchase now, pay over time with. Unfortunately, we are not able to ship this item outside of the United States. If you have any questions please contact us at: 1-888-627-3736 or There are no returns or cancellations for Special Order/Made to Order items and Electrical Components (including the COBB Accessport). I made one using the OEM fitting from an EJ20X. Will that difference in ID make a difference? Or should I remove coolant from other orifices? Torque Solution Cylinder 4 Coolant Mod: Subaru EJ Engines For more information concerning our engine warranty please visit IAG Performance Engine Warranty Page. 2: Locate the 12mm Allen Key bung on the rear of the LH . Please leave a message and well call when its quiet. But in terms of just coolant flow, I believe it is pretty well documented that the coolant is known to just sit and potentially get hot (around cylinder 4). I drained the coolant at the radiator plug, but still had some residual coolant in the heater return line when I went to cut it. The kit also includes a metal "T" fitting and pinch clamps. Cylinder 4 cooling mod Michael . $A|ME "3^I]KwEqzk+7jp[*~rkmd__{0. I own a stock 2010 WRX with factory UELH. GetaDomTune Cylinder 4 Chamber Cooling System w/ Metal Fitting Subaru STI Cylinder 4 Reverse Cooling Mod | COMPLETE & DETAILED INSTALLATION | Boost & Shutter 39.8K subscribers Subscribe 1.6K 42K views 2 years ago #WRX #SUBARU #STI Installation of the. Links to Amazon products utilize Amazons affiliates program to help fund the website and further mods. Fuji Racing are Subaru Parts Specialists based in the North East of England, if you would like to get in touch or have a specific query please contact us via phone or email using the details here. Proposition 65 requires businesses to provide warnings to Californians about significant exposures to chemicals that cause cancer, birth defects or other reproductive harm. I should've clarified. You may also contact the manufacturer directly for information regarding product eligibility and specific terms and conditions of warranty coverage. So back to the mod, this small hose ties into the return line off the heater core. Each kit contains: 1x Coolant pipe asse But it can be done from the top side of the engine. If you EFI/GM Quick Disconnect / Push-On Adapters, Subaru WRX 2008-2014 / STI 2008-2018 / Forester XT 2009-2013, Torque Solution Shifter Cable Bushings: Audi TT 1999-06, Torque Solution Engine Mount Inserts: Mitsubishi Lancer 2008-11, Torque Solution Billet Aluminum Front Engine Mount: Mitsubishi Evolution VII-IX 2001-2006, Torque Solution Shifter Bushings: Hyundai Elantra 1996-00, Torque Solution Engine Mount Inserts: Mitsubishi Lancer 2008-15, Torque Solution Billet Aluminum 4 Piece Full Engine Mount Kit: Mitsubishi Evolution VII-IX 2001-2006, Torque Solution Shifter Cable Bushings: Volkswagen Beetle 1997-2010, Torque Solution Drive Shaft Carrier Bearing Support Bushings: Mitsubishi 3000GT / Dodge Stealth. I understand the given rationale for it, but do we know if it's actually beneficial? This week we will be speaking about@getadomtune cylinder 4 cooling mod. Refunds are decided by the management and not by sales staff. Any amount is helpful and will be put towards new mods. It will be the responsibility of the purchaser to make sure these extra charges are paid on entry into the importing country. Canceled orders may be subject to a 20 percent cancellation fee. I've never drained this coolant system before. The rest of the engine running hotter is true, but it's now balanced. 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. The coolant mod allows some amount of coolant to bypass the original path through the radiator (from cylinder 4 -> heater hose -> water pump housing inlet -> cylinder 2). Youre going to want to invest in saving your engine. Questions, comments, thoughts? % VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. Products not manufactured by IAG are subject to the individual manufacturer warranties which may apply. 4 0 obj Easy and quick installation. Doubtful. Kinda counterintuitive, wouldn't you say? Cylinder 4 Cooling Modification C4CM - Fuji Racing Upper temps are before the cooling mod and lower are after. Hard to see with the other heater hose connected. As a side question, what is that gauge setup and pod mount. All product returns require a return authorization number before being shipped back to IAG or the manufacturer. Dom also notes how this is used on the passenger side of the head through the turbo and even with all that extra heat the temperatures are kept in check on the passenger side. Buy 2 $22.98/ea. Unfortunately, due to vendor restrictions we are unable to sell this product or brand within California. Just make sure you have a long extension for the plug fitting. Come join the discussion about performance, engine builds, exhaust, modifications, troubleshooting, maintenance, and more! (x1) Assembled Hose Kit w/ anodized fitting and stainless pinch clamp. Basically, this kit allows the coolant to travel through the cylinder 4 passage and recirculate around the cooling system. Just a point of interest question. Borrowed from Doms post on nasioc. There is no charge for inspection but the buyer is responsible for shipping charges. Coolant is much easier to cool back down than an operating cylinder. *%}]5H#^"_`eFe]MyD %ThSe9C8MLt4Tb#-#EG,! The coolant mod allows some amount of coolant to bypass the original path through the radiator (from cylinder 4 -> heater hose -> water pump housing inlet -> cylinder 2). For me, that made sense and was one of the big factors to make the purchase. Cylinder 4 cooling has long been a known issue on the EJ Family of Subaru engines. Stock plug is 12.7mm ID. The install was pretty straight forward with a few hiccups. All clamps came as hose clamps so installing into Aluminum block was easier because I could use a 1 socket. Great simple product and happy to buy the product by the originator. Saturday : By Appointment Only. Canceled service appointments with deposits are non-refundable. If a repair is not possible, we will either replace your Product with a new Product of similar composition and price, or refund the full purchase price of your Product, at our sole discretion. We will follow up with you via email within 24-48 hours. Amazon.com: Cylinder 4 Chamber Cooling System Compatible with Subaru When you purchase through links on our site, we may earn an affiliate commission, which supports our community. If a package contents is damaged during shipping please notify the shipping driver and file a claim with the shipper. I can give you anecdotal, experiential and observational data. Apply sealant to the threads of the Coolant Mod fitting. I cant say I have tested any of these claims but watching his Youtube videos and reading through many forum posts puts my mind at ease. If you have a question regarding an order please contact our sales desk at 410-840-3555. Forester SF 96-02, Forester SG 02-08, Forester SH 08-12, Impreza GC/GF/GM 92-00, Impreza GD/GG 00-07, Impreza GR/GV/GH 07 14, Legacy BC/BF/BJ 90-94, Legacy BL/BP 03-09, WRX STi VAB/VAF 14-21. Yes, that is the logic there. <>/ExtGState<>/Font<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/MediaBox[ 0 0 612 792] /Contents 4 0 R/Group<>/Tabs/S/StructParents 0>> If you intend to replace the coolant, please dispose of the old fluid responsibly. Create your account and enjoy a new shopping experience. With many debates over why these issues occur Dom notes that cylinder 4 sees the hottest coolant temps due to a lack of flow. Please check with your local customs office before ordering. Dom's is 10mm ID. We do not store credit card details nor have access to your credit card information. New Cylinder 4 Coolant Mod Engine Cylinder Cooling Hose Adapter Kit For WRX. Drop Shipping: When draining the coolant, is it best to just pull the lower hose on the radiator? Not sure who said it but one of my favorite quote, "without data, you're just another noisy opinion". Proposition 65 requires businesses to provide warnings to Californians about significant exposures to chemicals that cause cancer, birth defects or other reproductive harm.WARNING: Cancer and Reproductive Harm. *International orders are subject to customs charges, duties or fees. So I'd like to remove as much as possible. RCM Cylinder 4 Cooling Mod Kit - Street Spec RCM SKU: rcm3307 Ease of Fitment Guide: Intermediate Price: List Price (exc VAT): 26.49 Your Price: 31.79 Stock: In stock Quantity: Add to basket Delivery Information DESCRIPTION Cylinder 4 cooling has long been a known issue on the EJ Family of Subaru engines. Hell nobut it does give me some peace of mind. Leave them below! USPS shipping times are estimated and not guaranteed. The Fora platform includes forum software by XenForo. Also cooling cylinder #4 brings it down to the same temperature as the other cylinders (if youre running UEL headers) thus giving all cylinders even wear and tear. If you are already registered, please log in. Simple, yet effective. Our support associates can help you with installation support, troubleshooting advice, and help to identify possible manufacturer defects. This limited warranty gives you specific legal rights and you may also have other rights, which vary from state to state. The item(s), when approved for return, are subject to a 20 percent restocking fee. UPS tracking numbers are automatically generated when a package ships and the number is sent to the email address you provided. Reliability Enhancement for your EJ255/257 Turbo Engine. With this installation, you'll be able to lower temps in cyl 4, which is the one most prone to pre detonation. I'd expect the overall coolant temperature to increase a bit with this mod for 2 reasons: Has anyone purchased a cooling kit for Cylinder 4 chamber? 01388 834204 | FREE UK MAINLAND SHIPPING ON ALL ORDERS OVER 200, Fuji Racing | 2023 | All rights reserved. Each kit includes an assembled hose kit that features a high-grade silicone hose and custom machined 6061 anodized fitting. Buy 3 $22.49/ea. Please answer the following questionnaire, FREE SHIPPING ON MOST ORDERS OVER $249 in US 48, Supply Chain Issues May Cause Order Delays, GDT Cylinder 4 Chamber Cooling System For 02-14 WRX, 04-21 STI, 04-08 FXT, 05-09 LGT, IAG Performance Equal Length 3-Bolt Header & Uppipe for 02-14 WRX, 04-21 STI, 05-09 LGT, 04-08 FXT, IAG Performance Unequal Length 3-Bolt Header & Uppipe for 02-14 WRX, 04-21 STI, 05-09 LGT, 04-08 FXT, Company23 Crankshaft Socket For 2002-14 Subaru WRX, 04-21 STI, 04-09 FXT, 05-09 LGT, GrimmSpeed Turbo to Downpipe Gasket for 02-14 WRX, 04-21 STI, 05-09 LGT, 04-13 FXT, IAG 550 Street Cylinder Heads Package for 02-14 WRX, 04-21 STI, 05-09 LGT, 04-13 FXT, IAG Air / Oil Separator (AOS) For 2008-14 Subaru Impreza WRX & 2008-21 STI, IAG EJ Street Series Oil Pan Package (Silver Pan / Pickup / Street Baffle / Windage Tray) For WRX, STI, LGT, FXT, IAG Air / Oil Separator (AOS) For 2006-07 Subaru Impreza WRX & 2004-07 STI, IAG Air / Oil Separator (AOS) For 2015-21 Subaru Impreza WRX, IAG V3 Top Feed TGV Housings with Butterfly Pass Thru (06-14 WRX, 07+ STI, 07-12 LGT, 09-13 FXT). All packages include shipping insurance in case they are lost or damaged. Customer Service. This was a simple install but it did have some. GDT Cylinder 4 Chamber Cooling System w/ Metal T Fitting for the 2002 Extra Cool The Fuji Racing Coolant modification for the Subaru EJ Series Engines was designed to reduce the coolant passage 'dead spot' which is located over cylinder 4. Fuji Racing Cylinder 4 Coolant Cooling Mod Fits: Subaru EJ Engine Tuner Approved | eBay The Fuji Racing Coolant mod for the Subaru EJ Series Engines was designed to get rid of the coolant passage 'dead spot' which is located over cylinder 4. Cylinder #4 Cooling Mod - Getting ready to install | IW STi Forum This prevents boiling and hot spots, while also helping to improve overall performance. Apparently it may be detrimental to the engine instead of beneficial. <>/Metadata 332 0 R/ViewerPreferences 333 0 R>> Some items require drop shipping to complete an order. Add to Cart . Reply. Thoroughly clean and dry the threads in the cylinder head and the fitting. The Fora platform includes forum software by XenForo. )`>bkwcox ]z6nY Condition: New. For a better experience, please enable JavaScript in your browser before proceeding. I saw someone use a 1" crows foot and extension. USPS orders placed after 10am EST will ship the following business day if the items are in stock. I was curious to see what the community thought about this. Your payment information is processed securely. New Cylinder 4 Coolant Mod Engine Cylinder Cooling Hose Adapter - eBay Note the diameter of your fitting matter as this controls how much flow you will get through the cylinder 4 cooling mod. Basically, this kit allows the coolant to travel through the cylinder 4 passage and recirculate around the cooling system. The kit is designed to fit all EJ20 / EJ25 2002-14 WRX, 2004-2021 STI, 2004-08 Forester XT, and 2005-09 Legacy GT. Valuable source for keeping your EJ engine lasting longer and increasing reliability. For a better experience, please enable JavaScript in your browser before proceeding. So I'm pulling my 2014 STi out of storage on Monday and I'll be performing the cylinder #4 cooling mod in a few weeks. Our customer service team is happy to assist you with the products purchased from IAG Performance. , No tuning necessary, though you generally can push the engine further now through tuning if you wish, Very small investment for increased reliability. NASIOC - View Single Post - DOHC EJ Cylinder 4 Combustion Chamber Cooling kit. This has been installed for the last year plus and it has been problem free. IAG will repair any IAG Manufactured Product that proves to be defective in materials or workmanship within the warranty period. please contact us GetaDomTune Cylinder 4 Chamber Cooling System - What's in the Box Mishimoto MMRAD-STI-08 Performance Aluminum Radiator Compatible With Subaru Impreza WRX/STI 2008-2019. Products that have been modified or installed are not eligible for return. A forum community dedicated to Subaru Impreza and STI owners and enthusiasts.