Subaru WRX Fortune Auto IAG Spec Street Series Coilovers – 2002-07 & 2004 STi (Only) – IAG-SUS-1006

Key Features & Benefits

  • Custom-Tuned Damping: 24-step adjustable damping lets you fine-tune your WRX or STi’s ride feel—firm for performance, soft for comfort.

  • Rebuildable & Upgradeable: Fortune Auto’s modular design means you can rebuild or upgrade to higher-spec internals like Swift springs or radial bearings later on.

  • Monotube Damper Design: Delivers improved heat dissipation, consistency, and faster response compared to twin-tube designs.

  • High-Quality Materials: CNC-machined aluminum top mounts and anodized components resist corrosion while keeping weight down.

  • IAG Spec Valving: Specifically tuned by IAG Performance for the WRX/STi platform—offering improved chassis balance without harshness.


Performance That Inspires Confidence

The IAG Spec Street Series Coilovers transform how your Subaru feels on the road. Body roll is reduced dramatically, steering response sharpens, and overall grip improves whether you’re on all-seasons or performance tires. This makes them ideal for drivers who want track-ready handling without sacrificing daily comfort.

Pair them with an upgraded sway bar and quality alignment, and you’ll unleash the true potential of your WRX or STi—just the way Subaru intended.

 

IAG SPEC STREET SERIES COILOVERS BY FORTUNE AUTO – IAG Performance and Fortune Auto have paired up to bring you the IAG Spec Street Series Coilovers By Fortune Auto, designed for the 2002-2007 WRX or 2004 STI vehicle models. These single adjustable coilovers provide the perfect balance between everyday driveability and occasional track use, enhancing your Subaru’s handling without sacrificing comfort. This complete kit, featuring both front and rear coilovers, delivers improved handling and performance at a great value. With our optional GC Rear Conversion Top Hats these coilovers will also fit 93-01 Imprezas. GC Rear Top Hats are sold separately and do not come installed.
THE IAG SPEC DIFFERENCE: WHERE INNOVATION MEETS UNBEATABLE PERFORMANCE – At IAG Performance, we’re committed to pushing the boundaries of automotive performance. Through constant research, development, and testing on countless track days, we’ve developed a reputation for innovation. When we find a part we like from a brand we trust, like the Fortune Auto 500 Coilovers, we take it a step further to make it even better. The IAG Spec Street Series Coilovers are the result of our commitment to perfection. We’ve enhanced key features of the Fortune Auto 500 Coilovers, improving performance, road feel and overall handling to deliver a coilover system that’s optimized for both street and track use.
COILOVER SPECS – The front suspension in the IAG Spec Street Series Coilovers By Fortune Auto are engineered to the following specifications: Front: 127mm front shock stroke, custom shock valving, 270mm shock body, 8 inch spring length, 7kg/mm spring rate. The rear suspension coilovers meet the following specifications: ,127mm rear shock stroke, custom shock valving, 300mm shock body, 9 inch spring length, 6kg/mm spring rate. Our Street Series Coilovers are equipped with 10mm of extended shock travel.

 

Compatibility

  • 2002–2007 Subaru WRX

  • 2004 Subaru WRX STi (only)

  • Part Number: IAG-SUS-1006

These coilovers are direct bolt-on replacements that integrate with factory suspension components, requiring no additional modification.


Why Choose Fortune Auto x IAG

Both Fortune Auto and IAG Performance are trusted names in the Subaru tuning world. Fortune Auto’s engineering precision combined with IAG’s racing expertise results in a coilover system that delivers both performance and reliability—perfect for the enthusiast who expects more than a simple lowering kit.

$1,999.99

If you’re serious about upgrading your Subaru WRX or STi’s suspension for both street comfort and track precision, the Fortune Auto IAG Spec Street Series Coilovers (IAG-SUS-1006) are the ultimate solution. Engineered through collaboration between Fortune Auto and IAG Performance, these coilovers strike the perfect balance between daily drivability, cornering performance, and long-term reliability.


Engineered for the Subaru Enthusiast

Designed specifically for 2002–2007 Subaru WRX and 2004 STi models, the IAG Spec Street Series Coilovers bring professional-level damping control to everyday driving. These coilovers are hand-assembled in the USA, built to order, and custom-valved for the unique suspension geometry and weight balance of Subaru’s rally-bred chassis.

Unlike cheap imported kits, the Fortune Auto IAG Spec Street Series uses high-quality materials, digressive piston technology, and precise valving for better road feedback and improved traction under all conditions. Whether you’re blasting through a mountain road or cruising to work, the difference is immediate and confidence-inspiring.

IAG SPEC STREET SERIES COILOVERS BY FORTUNE AUTO – IAG Performance and Fortune Auto have paired up to bring you the IAG Spec Street Series Coilovers By Fortune Auto, designed for the 2002-2007 WRX or 2004 STI vehicle models. These single adjustable coilovers provide the perfect balance between everyday driveability and occasional track use, enhancing your Subaru’s handling without sacrificing comfort. This complete kit, featuring both front and rear coilovers, delivers improved handling and performance at a great value. With our optional GC Rear Conversion Top Hats these coilovers will also fit 93-01 Imprezas. GC Rear Top Hats are sold separately and do not come installed.
THE IAG SPEC DIFFERENCE: WHERE INNOVATION MEETS UNBEATABLE PERFORMANCE – At IAG Performance, we’re committed to pushing the boundaries of automotive performance. Through constant research, development, and testing on countless track days, we’ve developed a reputation for innovation. When we find a part we like from a brand we trust, like the Fortune Auto 500 Coilovers, we take it a step further to make it even better. The IAG Spec Street Series Coilovers are the result of our commitment to perfection. We’ve enhanced key features of the Fortune Auto 500 Coilovers, improving performance, road feel and overall handling to deliver a coilover system that’s optimized for both street and track use.
COILOVER SPECS – The front suspension in the IAG Spec Street Series Coilovers By Fortune Auto are engineered to the following specifications: Front: 127mm front shock stroke, custom shock valving, 270mm shock body, 8 inch spring length, 7kg/mm spring rate. The rear suspension coilovers meet the following specifications: ,127mm rear shock stroke, custom shock valving, 300mm shock body, 9 inch spring length, 6kg/mm spring rate. Our Street Series Coilovers are equipped with 10mm of extended shock travel.
CUSTOM TUNED – NOT OFF THE SHELF – With an extra 10mm of front shock stroke compared to Fortune Auto’s coilovers, we’ve optimized suspension travel, resulting in a more forgiving and smooth ride. The softer 7kg/mm front spring allows for optimal weight transfer to the front during braking and to the rear during acceleration. Our 8-inch front spring increases travel, reducing the risk of bottoming out, while the extra 10mm stroke restores the suspension travel that’s often reduced when lowering your coilovers. When you’re finished attacking the tarmac, the 24 clicks of rebound and compression adjustment allow you to convert your suspension from track-focused to comfort without compromise.
10MM OF EXTENDED TRAVEL – The IAG Spec Street Series Coilovers By Fortune Auto come equipped with a 10mm of extended travel front and rear, allowing the shock absorbers to travel within their optimal range, even if the vehicle has been lowered. This adjustable coilover kit makes it easy to drop your car to gain the benefits of improved handling, aerodynamics, improved traction and road feel. Incorporating an extended travel provides the full range of shock stroke and maintains the correct preload, all while avoiding potential damage to your coilovers.
LIGHTWEIGHT AND DURABLE CONSTRUCTION – The IAG Spec Street Series Coilovers By Fortune Auto incorporate the use of lightweight, yet durable T6061 aluminum in the camber plates and spring perches to maximize weight savings without compromising the strength or integrity of the suspension. The coilover springs are constructed from an advanced premium alloy of chrome silicone, providing both elasticity and strength, ideal for high-performance applications.
FLOW DIGRESSIVE TECHNOLOGY BY FORTUNE AUTO – The IAG Spec Street Series Coilovers feature Fortune Auto’s Flow Digressive piston technology, which allows for stiff low-speed compression and rebound movement. To compensate for fast stroke speeds like high speed bumps or rough roads, the coilovers automatically adapt to become supple, providing superior mechanical grip and control, even over irregular surfaces. This technology delivers the best of both worlds, offering a versatile shock absorber that excels in everyday driving, as well as occasional track use.
ABOUT FORTUNE AUTO – It’s been our privilege to team up with Fortune Auto to develop the IAG Spec Street Series Coilovers. Known for their cutting-edge suspension solutions and race-winning innovations, Fortune Auto’s relentless pursuit of performance and quality has resulted in systems that offer exceptional handling, comfort, and durability at an affordable price. Like IAG Performance, Fortune Auto is a U.S.-based, enthusiast-driven brand, making this collaboration a perfect fit.
FITMENT – Fits Subaru WRX 2002-2007 or 2004 STI, 93-01 Impreza with optional conversion top hats (SKU: IAG-SUS-GCTOP)

Specification: Subaru WRX Fortune Auto IAG Spec Street Series Coilovers – 2002-07 & 2004 STi (Only) – IAG-SUS-1006

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