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Product Details

SF Racing Air Struts for the 2000-2004 Subaru Legacy (B4) are engineered for enthusiasts who demand premium ride quality, aggressive stance, and full adjustability. Designed to work seamlessly with most major air management systems, these air struts provide the perfect balance between daily drivability and show-quality fitment. Whether you're looking to slam your car for a clean stance at a car meet or raise it back up for a smooth ride home, SF Air Suspension delivers the flexibility and performance you need.

Each SF Racing Air Strut kit is built using high-strength materials and features precision damping and height adjustability. With SF Racing, you're not just upgrading your suspension—you're unlocking the freedom to dial in your look and performance with confidence. Ideal for those chasing the ultimate stance setup without sacrificing comfort, SF Air Suspension is the trusted choice for form and function.

Features

  • Monotube Damper Design
  • 32-Level Adjustable Damping – Fine-tune rebound and compression for ideal ride quality.
  • Adjustable Ride Height – Lowers 1-3 inches below factory height on average.
  • T6-6061 Aluminum Construction – Lightweight, corrosion-resistant anodized top mounts, perches, and collars.
  • Electroplated Shock Body – Zinc-coated for rust protection.
  • Low-Friction, Pressure-Resistant Housing – Ensures smooth damping and longevity.
  • Pillowball or Reinforced Rubber Top Mounts – Reduces noise while improving handling.
  • SAE9254 Japanese Cold-Wound Springs – Durable and consistent performance.
  • Japanese NOK Seals & Italian IP Damping Oil – Prevents leaks and ensures high-performance damping.
  • Double bellows - Provides increased suspension travel and load capacity.
  • 100% Bolt-On Replacement – No modifications required (unless otherwise stated in the Specifications section).

Specifications

Part Number SF-SU03-03A
Vehicle 2000-2004 Subaru Legacy
Drivetrain AWD
Chassis B4
Damper Model Air Strut Series
Damping Adjustability 1-Way: Rebound and Compression
Front Damper Size 52mm diameter
Rear Damper Size 50mm diameter
Front Top Mounts Standard: Aluminum with Rubber Bushings
Optional: Aluminum Camber Plates with Pillowball Bushings
Rear Top Mounts Aluminum with Rubber Bushings
Front Design True Coilover
Rear Design True Coilover
Fitment Notes -

Reviews / Q&A

FAQs

Please read our FAQs page to find out more.

How much will these coilovers lower my car?

On average, our coilovers allow about 1-2.5 inches of drop range below factory ride height.

Can they achieve factory ride height?

No. In most cases, factory ride height cannot be achieved.

Will the struts be valved correctly?

Yes! The shocks and/or struts are always valved to match the spring rates. There is no additional cost for this.

Can they be rebuilt?

Yes, all SF Racing Coilovers can be rebuilt by purchasing individual replacement parts. For example, if a strut leaks, you can simply replace the shock cartridge.

Is there rush shipping?

Rush shipping is not offered. Expect about 2-5 days for arrival once the order is shipped. Please check product pages for average handling time.

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