Tomei Unequal Length Exhaust Manifold 2002-2014 WRX / 2004-2021 STI / 2005-2009 LGT / 2005-2008 FXT | Performance Exhaust Upgrade | Exhaust Manifold
Overview
The Tomei Unequal Length Exhaust Manifold is a high-quality upgrade designed specifically for Subaru enthusiasts seeking to enhance their turbocharged models. Compatible with a range of vehicles including the WRX, WRX STI, Legacy GT, and Forester XT from 2002 to 2021, this manifold improves exhaust flow efficiency while maintaining the iconic boxer engine sound. Crafted for those who demand both performance and durability, it’s an ideal choice for drivers looking to unlock more power and responsiveness from their Subaru’s turbocharged EJ20 engine.
Built with a focus on engineering excellence, Tomei’s manifold features an unequal length design that optimizes exhaust scavenging, leading to better turbo spool and increased power potential. Constructed from durable SUS304 stainless steel, it withstands the rigors of spirited driving and long-term use. The smooth bends and expert welds ensure minimal flow restrictions, making it a reliable upgrade for daily drivers and track enthusiasts alike. This manifold not only boosts performance but also preserves the authentic Subaru boxer sound, giving your car a distinctive, aggressive tone that’s unmistakably Subaru.
Whether you're aiming for more horsepower, improved throttle response, or a more aggressive exhaust note, this manifold delivers tangible benefits. Its precise fitment and heat management features help keep engine bay temperatures in check, ensuring consistent performance. For Subaru owners committed to tuning and maximizing their platform’s potential, this exhaust manifold is a critical component that complements other performance upgrades seamlessly.
Features & Specifications
This Tomei Unequal Length Exhaust Manifold is engineered for Subaru WRX, STI, Legacy GT, and Forester XT models and features a precision-designed unequal length configuration. Made from SUS304 stainless steel, it offers excellent corrosion resistance and long-lasting strength, ensuring your investment endures the demands of performance driving.
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Brand: Tomei
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Product: Unequal Length Exhaust Manifold
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Part Number: (Refer to specific model for exact part number)
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Fitment: 2002-2014 WRX / 2004-2021 STI / 2005-2009 LGT / 2005-2008 FXT
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Material: SUS304 stainless steel
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Finish: Natural stainless steel
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Construction: CNC-machined flanges, TIG-welded pipes
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Origin: Japan
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Power Gains: Improved spool and potential horsepower increase (dependent on supporting mods)
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Tuning Required: Recommended for optimal performance
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CARB Status: Not CARB compliant
Key Benefits
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Enhanced Exhaust Flow: The unequal length design improves scavenging, leading to better turbo response and increased power output.
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Durability & Heat Resistance: Crafted from SUS304 stainless steel, this manifold withstands high temperatures and corrosion for long-term reliability.
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Authentic Boxer Sound: Maintains the signature Subaru boxer engine tone, ensuring your car sounds as aggressive as it performs.
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Improved Spool & Response: Optimizes exhaust flow to reduce turbo lag and improve throttle response across RPM ranges.
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Quality Fitment & Finish: Precision CNC-machined flanges and expert welds ensure a perfect fit and professional appearance.
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Heat Management: Includes thermal wrap and hardware to protect your engine bay and oil pan from excessive heat buildup.
What's Included
- 1× Tomei Unequal Length Exhaust Manifold
- Gaskets for flange sealing
- Mounting hardware and metal ties
- Thermal wrap for heat protection
- Installation instructions
Installation & Compatibility
Installing this Tomei exhaust manifold is a straightforward process for experienced DIY enthusiasts with basic mechanical skills. It requires standard hand tools and a torque wrench for proper flange tightening. While the installation can be performed at home, professional installation is recommended to ensure optimal fitment and sealing, especially if combined with other performance modifications. This manifold is designed specifically for Subaru models listed above; verify your vehicle’s year and trim to confirm compatibility. Tuning is highly recommended after installation to maximize gains and ensure proper engine management, especially if paired with other performance upgrades.
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Professional Installation: Recommended
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Modifications Required: None, but tuning advised
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Verify Compatibility: Confirm fitment for your specific Subaru model and year
Upgrade your Subaru’s exhaust system with confidence—trust Subimods, your Subaru parts specialists, to deliver quality parts designed specifically for your platform. Shop now and experience improved exhaust flow, durability, and the unmistakable boxer sound that makes Subaru unique.
