Perrin Dual Exit Single Tip Axle Back 2015-2025 WRX / 2015-2021 STI | 304 Stainless Steel | Performance Exhaust
Overview
The Perrin Dual Exit Single Tip Axle Back exhaust is designed specifically for the 2015-2025 Subaru WRX and 2015-2021 WRX STI, delivering a perfect balance of aggressive sound and refined tone. This axle-back system replaces the factory rear section of the exhaust, providing a sportier exhaust note without the need for a full cat-back upgrade. It’s ideal for Subaru enthusiasts seeking enhanced auditory presence and subtle performance improvements while maintaining daily drivability.
Engineered with high-quality 304 stainless steel, the Perrin axle back emphasizes durability and corrosion resistance, ensuring long-lasting performance and appearance. The dual single 4.5” slash-cut tips not only improve exhaust flow but also add a purposeful, race-inspired aesthetic to the rear bumper. TIG welding ensures precise, clean welds that reflect Perrin’s commitment to craftsmanship and quality.
On the road, this exhaust system offers a mellow and pleasing rumble at low RPMs and light throttle, making it suitable for everyday driving. When pushed harder, it transitions into an aggressive tone that enhances the driving experience without being overwhelming. This combination makes it a practical yet exciting upgrade for WRX and STI owners who want a distinctive sound and reliable construction tailored to their Subaru platform.
Features & Specifications
This Perrin Dual Exit Single Tip Axle Back exhaust is engineered for the 2015-2025 Subaru WRX and 2015-2021 WRX STI, featuring dual 4.5” slash-cut tips constructed from durable 304 stainless steel. Designed for corrosion resistance and a sporty sound, it delivers a refined yet aggressive exhaust note for Subaru enthusiasts seeking both style and performance.
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Brand: Perrin Performance
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Product: Dual Exit Single Tip Axle Back 2015-2025 WRX / 2015-2021 STI
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Part Number: PSP-EXT-341BR
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Fitment: 2015-2025 Subaru WRX, 2015-2021 Subaru WRX STI
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Material: 304 Stainless Steel
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Finish: Brushed Stainless Steel
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Construction: TIG Welded
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Origin: USA Made
Key Benefits
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Performance: Enhances exhaust flow and sound without requiring a full cat-back system.
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Durability: Made from premium 304 stainless steel for superior corrosion resistance and longevity.
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Sound Quality: Mellow rumble at low RPMs with an aggressive tone under spirited driving.
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Fitment: Direct bolt-on replacement for OEM and aftermarket midpipes, ensuring easy integration.
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Aesthetics: Dual 4.5” slash-cut tips provide a race-inspired, aggressive rear bumper appearance.
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Quality: Precision TIG welding delivers clean, strong joints for reliable performance.
What's Included
- 1× Perrin Dual Exit Single Tip Axle Back Exhaust
- Installation instructions
Installation & Compatibility
The Perrin Dual Exit Single Tip Axle Back exhaust is a straightforward bolt-on upgrade that fits directly onto the OEM midpipe or compatible aftermarket midpipes. Installation is generally DIY-friendly for those with basic mechanical skills and standard hand tools. No special modifications or cutting are required, but proper alignment and torque specifications should be followed to ensure a secure fit. This axle back does not require tuning and maintains factory emissions compliance where applicable.
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Professional Installation: Recommended for those unfamiliar with exhaust work
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Modifications Required: None
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Verify Compatibility: Confirm fitment for your specific model year and trim
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