XForce Cat Back Exhaust Oval Dual Outlet Muffler 2002-2007 WRX / STI | Mandrel-Bent 409 Stainless Steel | Performance Exhaust System
Overview
The XForce Cat Back Exhaust system with an oval dual outlet muffler is designed specifically for the 2002-2007 Subaru WRX and WRX STI manual transmission models. This exhaust upgrade enhances your Subaru's performance by improving exhaust flow through precision mandrel-bent piping and a raw 409 stainless steel construction. It delivers the aggressive, deep exhaust note that WRX enthusiasts expect, providing a more engaging driving experience without compromising daily drivability.
Engineered with a focus on durability and optimal flow, the XForce exhaust system features a center hot dog resonator and twin 80mm oval tips that balance sound and performance. The bolt-on design ensures a straightforward installation with a perfect fit, maintaining the integrity of your Subaru's undercarriage while upgrading its exhaust tone and efficiency. XForce’s attention to detail and quality materials make this system a standout choice for WRX and STI owners seeking a reliable and impactful exhaust upgrade.
By upgrading to the XForce Cat Back Exhaust, Subaru owners benefit from improved throttle response and a noticeable increase in horsepower potential due to reduced backpressure. The distinctive exhaust note enhances the driving experience, making your WRX or STI stand out on the street and track alike. This system is ideal for enthusiasts looking to combine performance gains with a signature Subaru sound.
Features & Specifications
This XForce Cat Back Exhaust system is engineered for 2002-2007 Subaru WRX and WRX STI manual models and features mandrel-bent 409 stainless steel piping with an oval dual outlet muffler. Constructed from durable raw 409 stainless steel, it delivers improved exhaust flow and a deep, aggressive tone for Subaru enthusiasts seeking enhanced performance and sound.
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Brand: XForce
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Product: Cat Back Exhaust Oval Dual Outlet Muffler
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Part Number: E4-SW05-MP01-CBS
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Fitment: 2002-2007 Subaru WRX / STI (Manual Transmission Only)
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Material: Raw 409 Stainless Steel
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Finish: Natural Stainless Steel
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Construction: Mandrel-Bent Piping, Welded
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Origin: Not Specified
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Exhaust Tips: Twin 80mm Oval
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Resonator: Centre Hot Dog Resonator
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Installation: Bolt-On Design
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Compatibility Note: Some models require E4-SW05-C1 connecting pipe for vehicles with standalone cat converter
Key Benefits
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Performance: Mandrel-bent piping reduces backpressure, improving horsepower and throttle response on WRX and STI models.
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Sound Quality: Delivers the iconic aggressive and deep Subaru exhaust rumble that enhances the driving experience.
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Durability: Constructed from raw 409 stainless steel for corrosion resistance and long-lasting performance.
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Fitment: Precision-engineered bolt-on design ensures a perfect fit with no modifications required for most models.
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Visual Appeal: Twin 80mm oval tips provide a clean, aggressive rear appearance that complements the WRX/STI styling.
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Ease of Installation: Designed for straightforward installation on manual transmission vehicles, minimizing downtime.
What's Included
- 1× XForce Cat Back Exhaust System with Oval Dual Outlet Muffler
- Center Hot Dog Resonator
- Twin 80mm Oval Exhaust Tips
- Installation hardware (bolts and clamps)
- Installation instructions
Installation & Compatibility
The XForce Cat Back Exhaust system is designed for a bolt-on installation that is generally DIY-friendly for those with basic mechanical skills and tools. No cutting or welding is required for most 2002-2007 WRX and STI manual transmission models. However, some vehicles equipped with standalone catalytic converters may require the additional E4-SW05-C1 connecting pipe for proper fitment. Professional installation is recommended if you are unfamiliar with exhaust work or to ensure optimal fit and sealing.
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Professional Installation: Recommended for best results
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Modifications Required: None for standard fitment; additional connecting pipe may be needed for standalone cat converter setups
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Verify Compatibility: Confirm fitment for your specific year, model, and transmission type before purchase
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