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Annex Suspension Group

Annex Suspension FastRoad Pro Sport Spec Coilovers - 2015-2021 Subaru WRX / STI

Sale price$1,645.00Regular price $1,895.00

In stock

Optional Add-Ons

OVERVIEW


From GC8 to the latest VB, we’ve built Subaru coilovers the right way, starting with full 3D chassis scans for precise fitment, then refining spring rates and valving through on-road and track testing. The FastRoad Pro Sport Spec for the 2015-2021 WRX STI delivers a perfect blend of track-ready precision and daily driving comfort.

Engineered for drivers who demand more from their Subaru, this setup enhances control, composure, and ride quality on both smooth and uneven roads. Whether you're tackling mountain switchbacks, your daily commute, or your next HPDE, this kit delivers confidence at every corner.

WHY WRX STI OWNERS CHOOSE ANNEX


⚡ Performance to Comfort Balance Spring rates and valving balanced for spirited daily driving and track use
⚡ Unique valving specs engineered specifically for the designated spring rates & chassis
⚡ Road Noise Isolators for smoother comfort and everyday usability
⚡ Easy 24-way damper adjustment for on-the-fly tuning
⚡ Hand-built, dyno-tested, and QC-checked in Fremont, CA

 

FASTROAD PRO SPORT SPEC

Sport Spec :
Track handling for the street. Tuned for higher-grip tires and aggressive driving, this setup offers sharper turn-in, more body control, and the compliance needed for spirited backroad runs or track use.

KEY FEATURES

  • Tuned for blistering performance without sacrificing comfort
  • Proprietary Road Noise Isolators reduce NVH
  • 24-position damping adjustment with a wide tuning range
  • Corrosion-resistant NiCr shock bodies
  • Monotube dampers for consistency and durability
  • Spring perches with Koyo® bearings (where applicable)
  • T6-6061 aluminum mounts and camber plates
  • Brake line & ABS wire brackets (where applicable)
  • AMSOIL high-temp shock fluid for consistent damping
  • Heavy-duty dust boots for longevity
  • Fully rebuildable & revalveable in the U.S.A.
  • 1-year manufacturer warranty

SPECIFICATIONS

 

  • Natural Frequency Target: ~2.0Hz
  • Spring Rates: Front 8K / Rear 8K
  • Damping Type: Rebound adjustable, double digressive
  • Damper Design: Monotube
  • Top Hats: T6-6061 aluminum mounts & camber plates
  • Assembly: Hand-built, dyno-tested, and QC’d in Fremont, CA
  • Fitment: Subaru WRX/STI (2015–2021)

SKU's

Default Title: PRE-Sport-Spec-AX-FRP-SU0038

Driven.Media Install Instructions
This Product Fits

Confirmed Vehichle Fitment for

  • 2015-2021 Subaru WRX
  • 2015-2021 Subaru STI