5 Killer B Motorsport Parts Your Subaru Needs
In the aftermarket world, not all parts are created equal. Some are simple copies of factory components made with slightly better materials, while others are complete engineering solutions. Killer B Motorsport firmly belongs in the second category. They don’t just make parts; they identify specific, well-documented weaknesses in Subaru engines and re-engineer components from the ground up to solve them. From using superior 321 stainless steel in their headers to designing oil pans that defy physics during hard cornering, every product is a lesson in thoughtful design. For the owner who appreciates true craftsmanship, their catalog is a masterclass in performance engineering.
Key Takeaways
- Fortify Your Engine's Weak Points: Start by addressing the Subaru platform's known vulnerabilities, particularly the oiling system. Installing Killer B's oil pickup, baffle, and pan provides a reliable foundation that protects your engine during high-performance use.
- Unlock Power Through Efficient Airflow: Increase horsepower and improve throttle response by upgrading components that manage airflow. Killer B's headers and turbo inlets are engineered to optimize exhaust and intake flow, leading to significant and usable power gains.
- Choose Track-Proven, American-Made Quality: Invest in parts that are built to last. Killer B's commitment to superior materials and rigorous track testing ensures every component can withstand extreme conditions, giving you confidence in your build's long-term durability.
Who is Killer B Motorsport?
When you start modifying your Subaru, you quickly learn which names in the aftermarket community stand for quality. Killer B Motorsport is one of those names. They’ve built a stellar reputation by focusing exclusively on creating high-performance parts that solve common issues and stand up to serious abuse. For enthusiasts who demand reliability and proven results, whether on the street or the track, Killer B is a brand that consistently delivers.
Their entire philosophy revolves around meticulous engineering and using top-tier materials to create components that outperform and outlast the competition. This isn't about just making a part that fits; it's about engineering a solution that enhances your vehicle's performance and protects your investment. From their iconic oil pickups to their high-flow headers, every product is a testament to their dedication to the Subaru platform.
A Legacy of Subaru Specialization
Killer B Motorsport lives and breathes Subaru. Their deep focus on the platform means they understand the specific quirks and weaknesses of Subaru engines, particularly the EJ and FA series found in models from the WRX to the Forester. Instead of creating generic parts, they engineer solutions tailored to these engines' unique needs. This specialization is exactly why they are a go-to choice for enthusiasts who engage in demanding driving conditions. When you’re pushing your car to its limits on the track, you need components designed with a deep understanding of every stress point and potential failure, and that’s precisely what Killer B provides.
American-Made, Track-Proven Quality
Every Killer B Motorsport part is proudly designed and manufactured in the USA, a commitment that shows in their craftsmanship and material quality. Using advanced computer-aided design (CAD) and robust materials like 321 stainless steel, they create parts built for extreme durability. Killer B is especially known for tackling critical issues within Subaru engines, most notably the oiling system. Their work directly addresses problems that can lead to catastrophic engine failure, giving you the peace of mind needed to drive hard. This focus on creating bulletproof performance parts ensures your engine remains healthy and performs reliably, lap after lap.
What's in the Killer B Catalog for Your Subaru?
Killer B Motorsport has built its reputation by creating targeted solutions for common Subaru weak points while unlocking serious performance. Their catalog is a go-to for any enthusiast looking to build a more reliable and powerful engine. Whether you're hitting the track, trail, or just want a more robust daily driver, these five essential upgrades should be on your radar. Each part is designed to work seamlessly with models from the 2002 WRX to the latest Forester, providing a clear path to a stronger build.
Ultimate Oil Pickups
The factory oil pickup is a known vulnerability in many Subaru engines, prone to cracking from vibration and fatigue. A failure here leads to oil starvation and catastrophic engine damage. Killer B’s Ultimate Oil Pickup directly addresses this issue with a design that is significantly stronger and thicker than the original part. It’s engineered with 3D-scanned technology for a perfect fit and features a screen with over double the flow area of the OEM unit. This is one of the most important reliability modifications you can make, ensuring your engine’s oiling system remains robust during high-performance driving. It’s a foundational part for any Subaru WRX upgrades.
Super G High-Performance Oil Pans
During aggressive driving, maintaining optimal oil temperature and pressure is critical. The Killer B Motorsport Super G High-Performance Oil Pan increases your engine's oil capacity by up to 40%, holding around six quarts. This extra volume helps keep oil temperatures down and prevents pressure drops during sustained high-RPM use. The pan is also designed with internal baffling to control oil slosh during hard cornering, ensuring the pickup is never left dry. For anyone pushing their Subaru STI on the track, this oil pan provides an essential buffer against oil starvation and keeps your engine protected lap after lap.
Extreme Flow HARD Turbo Inlets
The stock turbo inlet on many Subarus is made of plastic, which can become brittle over time or even collapse under the vacuum created by a larger turbo. The Killer B Extreme Flow HARD Turbo Inlet replaces that weak link with a durable, heat-treated cast aluminum piece. Its smooth, consistent diameter improves airflow directly into the turbo, resulting in quicker spool times and better throttle response. This component is designed to support higher power levels and is a must-have for anyone planning significant performance parts installations. It ensures your turbo gets the unrestricted air it needs to perform at its peak.
4-1 Holy Headers
To make more power, your engine needs to breathe efficiently, and that includes expelling exhaust gases. The Killer B 4-1 Holy Headers are engineered to dramatically improve exhaust flow. The equal-length, 4-into-1 collector design optimizes exhaust pulses, reducing turbulence and increasing scavenging. This results in a broader torque curve, faster turbo spool, and significant horsepower gains across the powerband. Made from high-quality stainless steel, these headers are built to withstand extreme heat cycles without cracking. They are a cornerstone modification for anyone seeking to get the most out of their engine tuning services and unlock their Subaru’s true potential.
Oil Baffle & Windage Tray Combos
When you’re cornering hard on a track or navigating steep angles off-road, G-forces can pull oil away from the pickup, momentarily starving the engine. The Killer B Oil Baffle and Windage Tray combo is designed to prevent this. The baffle installs in the oil pan to create barriers that keep oil contained around the pickup, while the windage tray scrapes oil off the crankshaft to reduce parasitic loss and aeration. Together, they create a comprehensive oil control system that ensures consistent lubrication under the most demanding conditions. This is a vital upgrade for protecting your engine, whether you're building a track car or an overlanding solution.
What Sets Killer B Motorsport Apart?
In the world of Subaru performance, brands come and go, but some earn a permanent place in the enthusiast's toolkit. Killer B Motorsport is one of those brands. They’ve built a reputation not just for making parts, but for engineering solutions. What truly distinguishes them is a relentless focus on addressing the known weak points of the Subaru platform, particularly the EJ and FA series engines. While many companies focus on adding horsepower, Killer B starts with a foundation of reliability, ensuring your engine can handle the power you throw at it.
This philosophy is evident in every product they design. They don’t just replicate factory components with slightly better materials; they re-engineer them from the ground up. Using advanced design software and rigorous real-world testing, they create parts that solve specific problems, from oil starvation during high-G cornering to inefficient airflow. This commitment to quality and function means that when you install a Killer B part, you’re not just adding a modification—you’re making a smart investment in your Subaru’s longevity and performance. Their entire catalog is a testament to American-made quality, built by people who clearly live and breathe Subaru performance.
Superior Materials for Unmatched Durability
Killer B Motorsport’s commitment to quality starts with the materials they choose. They don’t cut corners. Instead of using common stainless steel, they opt for superior grades like 321 stainless steel for their headers. This material offers exceptional strength and heat resistance, which is critical for turbocharged applications where exhaust gas temperatures can be extreme. This choice prevents the cracking and warping that can plague lesser-quality components. By investing in premium materials, Killer B ensures their parts can withstand the abuse of track days, spirited driving, and high-horsepower builds, giving you peace of mind that your investment will last.
Performance-Driven Engineering
Every Killer B part is a product of meticulous engineering. They utilize advanced computer-aided design (CAD) to model and simulate performance before a single piece of metal is cut. This allows them to optimize for factors like fluid dynamics and airflow, ensuring their components deliver measurable gains. Their turbo inlets are designed for smooth, unrestricted airflow, while their oil pans are shaped to control oil slosh and improve cooling. This isn't just about making parts that fit; it's about creating integrated performance parts that work together to make your entire system more efficient and powerful.
Solving Common Subaru Engine Issues
One of Killer B's biggest contributions to the Subaru community is their focus on solving the platform's notorious oiling system issues. The factory oil pickup is known to fail due to weak brace welds, leading to oil starvation and catastrophic engine failure. Killer B addressed this head-on by creating their Ultimate Oil Pickup, a virtually indestructible component that has become a must-have for any modified Subaru. By identifying and fixing these critical factory flaws, they provide essential protection that allows owners to push their cars harder and more reliably, whether on the street or the track.
Track-Tested for Extreme Conditions
Killer B Motorsport doesn’t just design parts that look good on a spec sheet—they validate them in the most demanding environment possible: the racetrack. Their products are developed to perform under the extreme stress of high g-force cornering, rapid acceleration, and intense heat. The Super G High-Performance Oil Pan, for example, was specifically designed to prevent oil from sloshing away from the pickup during aggressive turns, a common issue that can starve the engine of oil. This track-proven durability means that even if your Subaru is a daily driver, you can trust that Killer B parts are over-engineered to handle anything you can throw at them.
Upgrade Your Subaru: Performance and Reliability Gains
When you modify your Subaru, you’re looking for more than just a number on a dyno sheet. You want power you can actually use, whether you’re carving up a canyon road or hitting the apex at a track day. Killer B Motorsport parts are engineered to deliver both significant performance increases and the robust reliability your engine needs to handle that extra power. These upgrades are about building a stronger, more capable engine from the inside out.
By addressing the known weak points of the Subaru platform, particularly the oiling system, Killer B provides the foundation for confident, aggressive driving. Their components are designed to work in harmony, creating a system that not only produces more horsepower but also protects your investment. From improved oil control to more efficient airflow, each part is a critical piece of the puzzle. Installing these performance parts means you can push your car harder, knowing its most vital components are protected.
Eliminate Oil Starvation During Hard Cornering
If you’ve ever taken your Subaru through a high-speed corner, you’ve put immense lateral G-forces on your engine. Under these conditions, oil can slosh to one side of the pan, momentarily uncovering the oil pickup. This brief moment of oil starvation can cause serious damage to your bearings and other critical components. Killer B’s Super G High-Performance Oil Pan is designed specifically to prevent this. Its internal baffling and smart construction keep oil contained around the pickup at all times. This special design "stops oil from leaving the engine during very fast acceleration," ensuring your engine maintains consistent oil pressure when it needs it most.
Fortify Your Oiling System
The factory oiling system in many Subarus is adequate for daily driving, but it can become a liability under high-performance conditions. Killer B Motorsport has built its reputation by "fixing known problems in Subaru engines, especially with oiling systems, to prevent serious damage." Their oil baffles and windage trays work in tandem with their oil pans to control oil slosh, reduce aeration, and ensure a steady supply of oil is always available. Fortifying your oiling system is one of the most important preventative measures you can take, especially for a modified engine. It’s the kind of foundational upgrade that supports all other Subaru WRX upgrades you have planned.
Strengthen Your Engine for the Track
The stock oil pickup tube is a notorious weak point in many EJ-series engines, known for cracking at the brazed joint and causing catastrophic engine failure. For track enthusiasts, this isn't a risk worth taking. Killer B’s Ultimate Oil Pickup replaces the fragile factory part with a nearly indestructible one. It is "designed to be very strong, much thicker than the original part, to make it last longer." Made from heavy-duty steel with smooth, high-flow bends and a screen that’s braced to prevent failure, this single component provides peace of mind. It strengthens the heart of your engine, making it resilient enough for the extreme demands of the track and spirited driving.
Unlock Measurable Power Gains
While engine protection is crucial, performance is the ultimate goal. Killer B Motorsport delivers on this front with parts engineered to make your Subaru more powerful and responsive. Their 4-1 Holy Header, for example, uses equal-length runners and a high-flow collector to optimize exhaust gas flow, resulting in a broader powerband and quicker turbo spool. Paired with their Extreme Flow Turbo Inlet, which removes intake restrictions, you can achieve significant and measurable power gains. These aren't just bolt-ons; they are precision-engineered components that, with proper engine tuning services, will completely transform your car’s performance.
The Enthusiast's Choice: Top Killer B Upgrades
When you’re ready to get serious about your Subaru’s performance and longevity, Killer B Motorsport is a name that consistently comes up. They’ve built a reputation for engineering solutions to common Subaru issues, creating parts that deliver both reliability and power. For enthusiasts who push their cars on the street or the track, these upgrades aren't just nice to have—they're essential. From fortifying your engine's oiling system to improving airflow, Killer B parts provide the foundation for a powerful and durable build. Their entire philosophy is built around identifying a known failure point in the Subaru platform and then over-engineering a solution that will last a lifetime. This approach gives drivers the confidence to push their vehicles to the limit without worrying about common mechanical failures that can plague modified cars. Whether you're building a daily driver with a bit more punch or a dedicated track machine, integrating Killer B components into your plan is a smart move. Let's look at some of the top upgrades that have made them a go-to choice for Subaru owners who demand the best from their vehicles and want to protect their investment for years to come.
Engine Protection: Oil Pickups & Baffles
One of the most critical weak points in many Subaru EJ-series engines is the factory oil pickup tube. The stock part is known for cracking at the brazed joint, which can lead to oil starvation and catastrophic engine failure. Killer B’s Ultimate Oil Pickup is the definitive solution. It’s engineered from heavy-duty steel with a super-strong TIG weld, completely eliminating the risk of failure. Pairing it with a Killer B oil baffle helps keep oil from sloshing away from the pickup during aggressive cornering, ensuring your engine always has the lubrication it needs. This is one of the most important preventative performance parts you can install.
Oil Capacity: High-Performance Pans
Under high-G cornering on a track, oil can be forced to one side of the pan, momentarily starving the engine. The Killer B Motorsport Super G High-Performance Oil Pan directly addresses this. It increases oil capacity by up to 40%, which improves cooling and ensures a larger reserve of oil is available. The pan’s internal baffling and design keep the oil collected around the pickup, providing consistent pressure even during the most demanding driving conditions. For any Subaru WRX or STI seeing track time, this upgrade moves from a modification to a necessity for engine protection and reliability.
Airflow: Extreme Flow Turbo Inlets
To make more power, your turbo needs to breathe. The factory turbo inlet can be restrictive, limiting your engine's potential. The Killer B Extreme Flow HARD Turbo Inlet is made from heat-treated cast aluminum, providing a durable, smooth path for air to enter the turbocharger. Unlike silicone alternatives that can collapse under vacuum, this hard inlet maintains its shape, ensuring consistent and improved airflow. This results in quicker spool times, better throttle response, and the ability to support higher horsepower levels. It’s a foundational piece for anyone planning significant STI upgrades.
Essential Upgrades for Street and Track
While Killer B is famous for its high-performance headers, their oiling system components are what truly set them apart for enthusiasts who value engine longevity. These parts are engineered to solve known issues and provide peace of mind, whether you're navigating a daily commute or setting a new personal best at the track. By addressing the root causes of potential engine failure, Killer B allows you to push your vehicle harder and with more confidence. These essential upgrades are the bedrock of a reliable high-performance Subaru, ensuring your investment is protected while you enjoy every bit of power you’ve built.
Ready to Upgrade? Where to Find Killer B Parts
Once you’ve decided to invest in your Subaru’s performance and reliability, the next step is sourcing authentic parts. Killer B Motorsport components are engineered to a high standard, and getting the genuine article is crucial for achieving the results you want. It’s about more than just a brand name; it’s about ensuring the quality, fitment, and durability your engine deserves. Making the right purchase from a trusted source protects your investment and gives you peace of mind on the street and at the track.
Finding Authorized Retailers
To guarantee you’re getting authentic, American-made Killer B Motorsport parts, always buy from an authorized retailer. These are sellers who have a direct relationship with the manufacturer and a deep understanding of the products they offer. Purchasing from an authorized source ensures you receive a legitimate product backed by expert knowledge, not a counterfeit or poorly handled component. This is the first and most important step in protecting your engine and ensuring your performance parts perform exactly as they were designed to.
Why Shop with Crawford Performance
At Crawford Performance, we don’t just sell parts—we live and breathe Subaru performance. As a premier retailer of Killer B Motorsport products, we provide the expertise to match the quality. Our team understands how these components integrate into the heart of your Subaru, from the WRX to the Forester. We can guide you on the best upgrades for your specific goals, whether you're building a track monster or a reliable daily driver. Pairing Killer B’s hardware with our expert engine tuning services ensures you get the maximum performance and reliability from your setup.
Checking for Current Deals
Getting premium parts for your build is always the goal, and finding them at a great price is even better. Before you check out, it’s always a good idea to see what’s on sale. We regularly feature promotions on top-tier components for various models. You might find the exact Killer B oil pan or header you need at a discounted price. Keep an eye on our specific model pages, like the one for Subaru WRX Upgrades, to find the latest deals and get the best value for your high-performance build.
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Frequently Asked Questions
Are Killer B parts only for heavily modified track cars? Not at all. While their parts are engineered to withstand the extreme demands of the racetrack, the core benefit is reliability. An upgrade like the Ultimate Oil Pickup is a smart investment for any Subaru, including a completely stock daily driver. It addresses a known factory weak point, giving you peace of mind and protecting your engine regardless of how you use your car.
I'm just starting to modify my Subaru. What's the first Killer B part I should consider? Without a doubt, the Ultimate Oil Pickup should be at the top of your list. It’s one of the most important preventative upgrades you can make for any EJ-series engine. The factory part is a known point of failure that can lead to catastrophic engine damage. Installing the Killer B pickup provides a rock-solid foundation that will support any future performance modifications you plan to add.
Do I need a professional tune after installing parts like the Holy Header or Turbo Inlet? Yes, for parts that change your engine's airflow, a tune is essential. Components like headers and turbo inlets significantly alter how your engine breathes, and your car's computer needs to be recalibrated to account for these changes. A proper tune will ensure your engine runs safely and allows you to get the full performance benefit from your new hardware. Oiling system parts like the pan and pickup, however, do not require a tune.
What makes Killer B parts worth the investment compared to cheaper alternatives? The value is in the engineering and materials. Killer B designs and manufactures their parts in the USA to solve specific, well-documented Subaru problems. They use superior materials, like 321 stainless steel for their headers, that resist cracking and warping under extreme heat. You're paying for a meticulously engineered solution that prevents catastrophic, and far more expensive, engine failures down the road.
Will these upgrades make my car louder or harder to live with every day? It depends on the part. Oiling system upgrades like the oil pan, pickup, and baffle will have no effect on your car's sound or daily driving characteristics. Performance parts that affect airflow, like the Holy Headers, will change your exhaust note, giving it a more distinct and aggressive tone that many enthusiasts love. The Turbo Inlet will primarily improve performance without adding significant noise.