BC Racing RM Series Coilover System (2005 - 2007 Subaru Impreza STI GDE / GDF) - F-03-RM
Track-Ready Inverted Coilover Engineering for the GDE/GDF STI
Unlock the full handling potential of your 2005 - 2007 Subaru Impreza STI (GDE / GDF) with the BC Racing RM Series Coilover System, engineered specifically for MacPherson-strut Subaru performance platforms. The RM Series utilizes an advanced inverted mono-tube damper design that relocates the heaviest damper mass toward the chassis, dramatically reducing unsprung weight and improving damper response - key advantages for high-performance AWD applications like the STI.
Featuring a significantly larger and stronger inverted piston shaft, the RM Series is purpose-built to withstand high lateral loads during aggressive cornering, hard braking, track sessions, and intense mountain runs. This additional rigidity enhances steering precision, stability, and long-term durability. Combined with wide adjustability and independent ride height control, the RM Series is the perfect suspension upgrade for STI drivers demanding track-inspired performance while retaining daily drivability.
Performance Highlights
- Inverted mono-tube damper reduces unsprung weight and increases high-load rigidity.
- Oversized inverted piston shaft resists fatigue under sustained lateral force.
- Linear damping curve delivers predictable, stable handling characteristics.
- 30-way compression/rebound adjustability for dialing in street, track, or autocross setups.
- Independent height adjustment maintains proper damper stroke at any ride height.
- Front camber plates included where applicable for improved alignment control.
- Rear camber plates available depending on GDE/GDF chassis compatibility.
- Custom spring rates and Swift Spring compatibility available.
- Fully rebuildable with a 1-year manufacturer defect warranty.
Quick Specs
- Brand: BC Racing
- Series: RM Series
- Part Number: F-03-RM
- Vehicle Fitment: 2005 - 2007 Subaru Impreza STI GDE / GDF
- Damper Style: Inverted mono-tube (upright rear damper where applicable)
- Damping Adjustment: 30-way simultaneous compression/rebound
- Height Adjustment: Independent of spring preload
- Default Spring Rates: Front 6kg/mm | Rear 4kg/mm
- Camber Plates: Front included; rear available where applicable
- Warranty: 1 Year (Manufacturer Defect)
- Rebuildable: Yes
Why Choose the BC Racing RM Series?
The RM Series is engineered for STI enthusiasts who need stronger suspension geometry, improved durability, and reduced unsprung weight. Its inverted design boosts steering precision and chassis stability, making it a superior choice for track days, time attack builds, and spirited street driving. With 30 damping settings and independent ride height tuning, the RM Series adapts seamlessly to any driving environment - from daily commuting to weekend competition.
FAQs
How does the RM Series differ from BR or DS coilovers?
The RM Series uses an inverted strut design, offering superior lateral load support and reduced unsprung weight - ideal for performance-oriented STI builds.
Is the RM Series comfortable enough for daily driving?
Yes. With 30 levels of damping adjustment, the system can be set for comfort, street performance, or track stiffness.
Do these coilovers include camber plates?
Front camber plates are included where applicable, and rear camber plates are available based on GDE/GDF chassis compatibility.
Can I order custom spring rates?
Absolutely. BC Racing supports custom spring rate selection and Swift Spring upgrades for more tailored suspension response.
Fitment
- 2005 Subaru Impreza STI GDE/GDF
- 2006 Subaru Impreza STI GDE/GDF
- 2007 Subaru Impreza STI GDE/GDF
Why Buy from Beefcake Racing?
Beefcake Racing is your authorized BC Racing dealer, offering expert suspension advice, competitive pricing, and fast shipping. Whether your STI is a weekend warrior, a daily driver, or a track build, we'll help you choose the ideal coilover setup for your goals. Contact us at sales@beefcakeracing.com or call 1-855-827-7223. Beefcake Racing - Performance Starts Here.
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