Want to keep your Subaru alive as long as possible?
While most people will tell you the only way to get a reliable Subaru is to either sell it or spend huge amounts of money swapping out every part, that is not necessarily the case. The team at Touge Tuning has been building reliable Subarus that get driven hard for years, and we’ve put together a package for all the things your Subaru needs to give it the best chance at lasting as long as possible!
This package specifically is for your street-driven Subaru! If you plan to track the car, you may want THIS combo that swaps out the pickup and baffle for a full oil pan combo!
IAG AIR / OIL SEPARATOR (AOS)
PROTECTION FOR YOUR ENGINE
The IAG Air/Oil Separator (AOS) is a worthwhile investment to safeguard and enhance the performance of your Subaru. Developed through years of testing on standard and competitive applications, the IAG Air/Oil Separator offers unparalleled protection for your 2006-2007 Impreza WRX or 2004-2007 STI engine. Our AOS design incorporates a 1-liter cast aluminum swirl pot canister that significantly improves oil separation from the PCV system before returning PCV gasses to the intake. Constructed from a lightweight, yet durable aluminum housing, the IAG AOS offers improved ventilation and incorporates an intelligent baffle design that sets it apart from the competition. It is compatible with all fuel types, extends engine life, improves crankcase ventilation, and seamlessly integrates with standard ECU settings.
PREVENTS OIL FROM ENTERING THE INTAKE
Oil entering the engine’s intake tract can result in a range of adverse effects. Preventing oil from entering the engine intake is crucial to prevent premature mechanical problems and to maintain optimal performance in your Subaru. The oil can coat the internal components of the intake, intercooler and plumbing, which can lead to the deterioration of the rubber and silicone hoses, eventually compromising the connections. Once inside the intake tract, the oil can access the intake manifold and then the engine’s combustion chamber, potentially triggering detonation, pre-ignition, excessive emissions, smoke, power loss, reduced fuel efficiency, and even engine damage or complete engine failure.
MAINTENANCE FREE
The IAG Air/Oil Separator was designed for ease of use and unlike ordinary catch-can systems, our Air Oil Separators work without the need for routine draining or maintenance. The separated oil collects along the walls of the AOS can, then drains gradually into the engine’s crankcase. The oversized AOS body allows the oil to drain slowly, eliminating the risk of overflow often seen in smaller catch cans. Our exclusive heating system ensures that the gathered oil remains free of sludge, reducing the possibility of reintroducing it back into the engine.
HOW DOES THE AOS FUNCTION AND WHAT’S INSIDE?
The IAG Air Oil Separator uses a unique baffle system to collect and drain the oil from your engine’s PCV gasses back to the crankcase. The AOS body’s inlet hoses create an internal gas vortex, which then filters through the baffles, trapping the oil and allowing the gas to escape from the top of the AOS canister. Because the OEM PCV remains functional, the engine is also able to provide additional vacuum, which helps to remove more of the PCV gasses.
LIGHTWEIGHT DESIGN
The IAG Air Oil Separator is constructed from a lightweight, yet durable aluminum housing that is even lighter than any of our previous versions. Whether you drag race or take your Subaru to the track, we know that every little bit of weight counts. This AOS design has been lightened and refined to maximize the overall performance of your Subaru, ensuring you get the most out of every race or track day.
CUTS DOWN ON CONDENSATION BUILDUP
The IAG Air Oil Separator incorporates the use of its exclusive heating system to eliminate problems found in lesser quality catch cans. Poorly designed versions allow hot PCV gasses to pass through the cold passageway, allowing for condensation to mix with the oil and cause sludge. IAG’s upgraded design attaches to the vehicle’s cooling system, allowing heat from the engine to transfer into the AOS canister. By heating the AOS canister to the engine’s temperature, condensation and associated buildup are significantly diminished or completely eliminated.
SAE QUICK CONNECTION LINES
IAG’s Air Oil Separator includes a full set of custom length SAE Quick Connection lines that simplify the installation of the AOS system, as well as reduce the chance of leakage because they offer a more reliable and secure connection than basic hose clamps. Once installed, our AOS system has a polished factory-like appearance that blends seamlessly with your Subaru’s engine.
EASY INSTALLATION
Our engineers set out to make the system as easy to install as possible for the 2006-2007 Subaru Impreza WRX and 2004-2007 STI. The connection hoses at the canister are custom fitted SAE Quick Connection lines that are the exact length to reach the corresponding engine parts. The IAG Air Oil Separator also includes pre-cut and crimped hoses on applicable Subaru models. The IAG AOS is available in your choice of black, red or neon yellow to perfectly accentuate the engine bay of your Subaru.
Killer B Motorsports Oil Pickup & Oil Baffle Combo
Save when you purchase the Killer B Motorsport EJ25 Oil Pickup and Baffle combo.
We have all heard the horror stories. You’re just driving down the road minding your own business and then boom your engine blows without warning.
This ULTIMATE OIL PICKUP uses a .12” thick double bracket, 3X OEM oil pickup tube thickness and a brace between bracket and oil pickup tube to further strengthen the assembly. This is a super duty, engineered solution. No other vendor has anything this rugged available, although I’m sure it will be copied.
Killer B Motorsport Baffle. Closed rear section to prevent oil from sloshing into the crank under hard acceleration and aggressive shifts. Block contoured profile to minimize oil returning from the heads interfering with the crank. Directional louvers prevent oil in the pan from splash/sloshing into the crank. Low profile design to control windage and strip oil from the crank immediately to reduce oil “roping” on the crank. Improved oil entry to the pan/pickup to help prevent oil starvation. Made from stainless steel for long life, durability and corrosion resistance.
Features and Advantages of the Killer B Motorsport EJ25 Oil Pickup over other aftermarket pickups.
- 3D CAD Designed and Track tested
- All CNC Manufacturing Processes
- Digitally Pulsed TIG Welding throughout
- 3X Thicker Tubing, 1/8” Thick Bracket
- Smooth Mandrel Bend Increases Oil Flow
- New O-Ring Provided
- Fits ALL turbo EJ20 Motors (with EJ25 Pan)
- Fits ALL turbo EJ25 Motors with OEM oil pans (and our performance oil pan too!)
- OEM Spec. High Flow Screen Filter
- Lifetime Warranty
For installation instructions click Install Instructions for EJ Pickup
Read this article to help match the correct pickup to your oil pan: Know Your Oil Pan
Features and Advantages of the Killer B Motorsport Windage Tray / Baffle over other aftermarket baffles.
- Uses OEM baffle mounting locations
- Not a sandwich between pan & block design that is difficult to install and more prone to leak.
- No rubber parts that can sag and stay open after repeated heat cycling.
- Not Holy Cow expensive!
So what’s all this mean? It means more power due to the reduction in oil interfering with the rotation of the crank and allowing it to spin more freely. Unless it’s in the bearings, anytime oil comes in contact with the cranks or connecting rods it robs power. Reduction of oil splashing and beating off crank & connecting rods will also lower oil temperatures.
Koyorad Hyper V-Core Series Aluminum Racing Radiator
Hyper V-Core Series Aluminum Racing Radiator by Koyorad®. The Hyper V-Core series is the newest to the Koyorad all-aluminum racing radiator line up. An engine’s cooling system in many newer vehicles is suffering due to limited space and crowding which affects air circulation. Their new ultra-efficient Hyper V-Core was developed specifically for vehicles that see extreme heat, are limited in space, and where the factory inlet/outlet locations.
Features:
- High-density fully brazed Hyper-V Series 1.4″ cross-flow core
- Optimized locations for inlet, outlet, and fan temp switch
- Brushed aluminum finish
- Two Row construction
- Precision TIG welded
- Nocolok™ Brazing
- Billet aluminum filler neck and drain plug
- Triple Pressure tested
The Hyper V-Core series radiators have a specially designed fin and tube pitch which significantly increases its surface area while still allowing for excellent air circulation through the radiator. The Hyper V-Core series is the perfect solution where space savings and high performance is a must. Unless noted otherwise, all Koyorad Hyper V-Core series all-aluminum radiators are Nocolok™ brazed, designed as a factory fit, direct bolt in with no engine modifications necessary, and retain mounts for the stock fan shrouds and fans.
Koyorad quality is a direct result of their privately owned factories which allow Koyorad Japan to oversee each stage of radiator production. This ensures that quality is never sacrificed for quantity. Each Koyorad all aluminum radiator core is hand assembled, Nocolok™ brazed, then TIG welded by hand with the finest aluminum available. These are just a few characteristics that have earned Koyorad Radiators their excellent reputation in performance radiators worldwide.
Grimmspeed Silicone Radiator Hoses
Your Subaru’s cooling system is only as good as its weakest link, commonly that’s the old, dry-rotted OEM coolant hoses. As your Subaru ages and the integrity of those hoses degrades, cracks develop and you can suddenly find yourself stranded on the side of the highway or the racetrack.
To keep a car reliable, whether it’s a daily driver or a high-horsepower build, it’s important to make sure your radiator hoses are up for the job. They need to be able to handle not only everyday conditions, but also the increased temperatures and pressures of a built motor without bulging, leaking, or altogether blowing up. That’s where GrimmSpeed comes in.
GrimmSpeed has always been synonymous with top-notch parts manufacturing and superior quality, developing parts that can handle whatever you throw at them. Things are no different when it comes to the brand new GrimmSpeed Silicone Radiator Hoses.
These hoses are manufactured using a 5-ply construction system with fiber reinforcement between each layer of silicone to ensure that they maintain their shape and durability for the life of the vehicle. GrimmSpeed Silicone Radiator Hose Kits were designed by reverse engineering brand new factory hoses for a perfect fit and effortless installation without having to trim or kink the pieces. The kits are offered in black or red color with the trademark GrimmSpeed logo embedded into each one and are available for a variety of Subaru applications. Every kit includes an upper hose, a lower hose and four stainless steel high-torque clamps from BREEZE.
We take pride in our products and the name that stands behind them, so as with all of the parts we manufacture, these units come with a Lifetime Warranty and will be the last set of radiator hoses you’ll have to buy.
Quick Specs
- 5-ply silicone construction
- 3D scanned for the perfect fit
- High-quality replacement clamps included
- Lifetime Warranty
GDT Cylinder 4 Chamber Cooling System
The 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.
Each kit contains:
- 1x Coolant pipe assembled with a high-grade silicone hose, Stainless Pinch clamp, Custom machined and anodized 6061 fitting.
- 1x Stainless Steel 5/8 T
- 3x 316SS or 304SS embossed worm clamps (subject to market availability)
- 1x Instruction Sheet
Fits all years and models except 2010+ LGT.
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