BC Racing ER Series Coilover System (2011 - 2014 Subaru Impreza STI Sedan - GVB / GVF) - F-17-ER
Ultimate Suspension Precision for the GVB / GVF Subaru STI Sedan
Take your 2011 - 2014 Subaru Impreza STI Sedan (GVB / GVF) to the next level with the BC Racing ER Series Coilover System - the flagship option for drivers who demand maximum adjustment capability and track-proven damping control. Featuring independent 30-way compression and rebound adjustment along with remote reservoirs, the ER Series dramatically increases oil capacity and improves heat dissipation, giving you stable, consistent damping even under intense, sustained driving. Backed by rigorous on-track development, these coilovers deliver uncompromising performance, precision, and adjustability for serious enthusiasts.
Performance Highlights
- Independent 30-way compression and rebound control allows ultra-precise suspension tuning.
- Remote reservoirs boost oil capacity and cooling for reduced fade during aggressive driving.
- Mono-tube, linear twin-piston design ensures predictable damper response and stability.
- Independent height adjustment preserves full shock stroke and ride comfort.
- Front and rear camber plates included where applicable for advanced alignment correction.
- Pillowball mounts provided on kits where camber plates do not apply, improving steering feel.
- Custom valving and spring rate options available for tailored performance.
- Swift Spring upgrades available for most applications for enhanced consistency and responsiveness.
- Fully rebuildable and protected by a 2-year manufacturer warranty.
Quick Specs
- Brand: BC Racing
- Series: ER Series
- Part Number: F-17-ER
- Vehicle Fitment: 2011 - 2014 Subaru Impreza STI Sedan (GVB / GVF)
- Damper Design: Mono-tube linear twin-piston with external reservoirs
- Compression Adjustment: 30-way via external reservoirs
- Rebound Adjustment: 30-way via damper top
- Height Adjustment: Independent of spring preload
- Default Spring Rates: Front 7kg/mm | Rear 6kg/mm
- Camber Plates: Front and rear included where applicable
- Mount Type: Pillowball mounts standard when plates are not applicable
- Warranty: 2 Years (Manufacturer Defect)
- Rebuildable: Yes
Why Choose BC Racing ER Series Coilovers?
For STI owners seeking top-tier suspension control, the ER Series stands as BC Racing's most capable and tunable coilover. With independently adjustable compression and rebound, expanded fluid capacity, and a race-refined linear piston design, the ER Series delivers elite consistency, sharp handling, and unmatched tuning flexibility. Whether your STI is street-driven, track-prepped, or a mix of both, these coilovers provide the confidence and precision needed to push the platform to its limits.
FAQs
What makes the ER Series superior to the BR and DS Series?
The ER Series features independent damping adjustments and remote reservoirs, giving it greater tuning control and heat resistance compared to the BR (linear piston) and DS (digressive piston) models.
Is the ER Series suitable for both street and track use?
Yes. While optimized for performance, the broad adjustment range allows the ER Series to be comfortable enough for daily driving and aggressive enough for competitive events.
Do these coilovers include camber plates?
Yes. Front and rear camber plates are included where applicable, ensuring proper alignment tuning for spirited or track driving.
Can I customize spring rates or upgrade to Swift Springs?
Absolutely. Custom spring rates, custom valving, and Swift Spring upgrades are available for those seeking tailored suspension performance.
Fitment
- 2011 Subaru Impreza STI Sedan (GVB / GVF)
- 2012 Subaru Impreza STI Sedan (GVB / GVF)
- 2013 Subaru Impreza STI Sedan (GVB / GVF)
- 2014 Subaru Impreza STI Sedan (GVB / GVF)
Why Buy from Beefcake Racing?
Beefcake Racing is an authorized BC Racing dealer offering expert suspension knowledge, fast shipping, and unbeatable pricing. Whether your STI build is geared toward track precision, aggressive street performance, or both, our team will help configure the perfect ER Series setup. Contact us at sales@beefcakeracing.com or call 1-855-827-7223. Beefcake Racing - Performance Starts Here.
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