Perrin Front Sway Bar 26mm Adjustable 2015-2021 STI | Adjustable Stiffness | Performance Suspension Upgrade
Overview
The Perrin Front Sway Bar 26mm Adjustable is a precision-engineered suspension upgrade designed specifically for the 2015-2021 Subaru WRX STI. This sway bar enhances cornering performance by reducing body roll and improving chassis balance, delivering sharper turn-in response and increased stability. It is ideal for enthusiasts seeking a more confident driving experience on both spirited street drives and track days.
Crafted from solid spring steel and CNC-bent for exact fitment, the Perrin sway bar reflects a commitment to durability and performance. Its adjustable stiffness settings allow drivers to fine-tune handling characteristics to suit their driving style or suspension setup, making it a versatile upgrade for a range of driving conditions. The included polyurethane bushings and hardware ensure a secure, quiet installation that maintains the integrity of your vehicle’s suspension.
For Subaru WRX STI owners, this sway bar offers a meaningful improvement in handling dynamics by significantly reducing understeer and enhancing chassis rigidity. The option to select between two stiffness levels—30% or 50% stiffer than the OEM 24mm bar—provides tailored control over the vehicle’s behavior, making it a practical and effective upgrade for maximizing the performance potential of your STI.
Features & Specifications
This Perrin Front Sway Bar is engineered for the 2015-2021 Subaru WRX STI and features a 26mm diameter with adjustable stiffness settings. Constructed from high-strength spring steel, it delivers enhanced chassis balance and reduced body roll for Subaru enthusiasts seeking improved handling and cornering precision.
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Brand: Perrin Performance
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Product: Front Sway Bar 26mm Adjustable
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Part Number: PSP-SUS-126
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Fitment: 2015-2021 Subaru WRX STI
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Material: Solid Spring Steel
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Finish: Glossy Red Powder Coat
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Construction: CNC Bent
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Origin: USA Made
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Diameter: 26mm
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Adjustability: Two stiffness settings (Hole #1: 30% stiffer, Hole #2: 50% stiffer than OEM 24mm bar)
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Included Hardware: Polyurethane bushings, brackets, grease packet
Key Benefits
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Performance: Reduces body roll and understeer for sharper, more responsive cornering
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Adjustability: Two stiffness settings allow customization to match driving style and suspension setup
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Durability: Made from solid spring steel with a protective glossy red finish for long-lasting use
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Fitment: Precision CNC bending ensures perfect fitment and easy installation on 2015-2021 WRX STI models
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Quality: Includes polyurethane bushings and hardware for secure, quiet operation
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Handling Balance: Improves chassis rigidity and overall vehicle stability under aggressive driving conditions
What's Included
- 1× Perrin Front Sway Bar 26mm Adjustable
- 2× Polyurethane Sway Bar Bushings
- 1× Energy Suspension Polyurethane Grease Packet
- Installation Instructions
Installation & Compatibility
Installation of the Perrin Front Sway Bar is straightforward for those with basic mechanical skills and common hand tools, making it a DIY-friendly upgrade. The included hardware and bushings simplify the process, but professional installation is recommended for optimal torque specifications and alignment checks. No major modifications are required, but verifying fitment for your specific STI model year is important to ensure compatibility. Adjusting the sway bar stiffness is a simple process that allows you to tailor handling characteristics without additional parts or tuning.
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Professional Installation: Recommended for best results
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Modifications Required: None
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Verify Compatibility: Confirm fitment for 2015-2021 Subaru WRX STI
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