
XYZ Racing Street Advanced Coilovers — Subaru LEGACY BN/BS 4WD 2014-2020
SKU: SU171-SA
- IncludesFull set of 4 (front + rear)
- Spring rate (F/R)16 / 3 kg/mm
- Top mountFront: Pillow ball + rubber / Hardened rubber · Rear: Aluminium
- Lead time10–15 working days
Fits Subaru LEGACY BN/BS 4WD (2014-2020) chassis SU171
Added to basket ✓

The Legacy BN/BS’s symmetrical all-wheel-drive layout keeps the boxer engine low and spreads weight evenly across both axles, but the factory ride height and factory damping were tuned for motorway comfort, not for loading a corner. That leaves body roll and a vague transition when you ask the chassis to change direction quickly, whether you’re running the sedan or the wagon body. XYZ Racing’s Street Advanced coilover kit replaces that factory set-up front to rear, giving the Legacy a lower centre of gravity and damping you can actually adjust to suit the road you’re on that day.
Street Advanced sits between a fast-road-only kit and a full track set-up, which fits how most BN/BS owners actually use the car – sharper on a B-road at the weekend, still liveable enough for the commute on Monday, with a track day thrown in a few times a year.
What this coilover does for your 2014-2020 Subaru Legacy Bn/bs 4WD
With 720 damping settings to work through, you can run the kit soft for daily driving and wind the compression and rebound up ahead of a track day without swapping any parts. Lowering the ride height brings the Legacy’s roll centre back into line with where the symmetrical AWD system wants to put load, so the nose stays flatter under trail-braking and the rear axle stops wallowing when you get back on the throttle out of a bend. Sedan owners feel the biggest gain in turn-in response; wagon owners get the same handling improvement with a slightly more settled ride, since the extra weight over the rear axle absorbs more of the added spring rate. Braking stability improves too, since less dive under weight transfer keeps the front tyres’ contact patch more consistent.
About the Street Advanced coilover
Street Advanced is XYZ Racing’s most widely fitted coilover line, developed over several seasons and proven in international racing before being adapted specifically for road use. Each damper carries 720 individual damping positions split across compression and rebound, so the same kit runs soft for a daily-driven Legacy or firm for a track day without changing parts. Construction follows XYZ’s usual per-corner damper body, paired with height-adjustable spring perches so ride height and preload can be set independently of damping. The line is built for drivers who use one car for both road and occasional track work rather than a car set up purely for one or the other – which is exactly the ownership pattern most BN/BS Legacy owners fall into.
Fitment for the Subaru Legacy Bn/bs 4WD (2014-2020)
This kit is built specifically for the Subaru Legacy BN/BS in its 4WD configuration, chassis code SU17-1, covering the 2014 to 2020 model years. Confirm your Legacy is the AWD variant before ordering, since the geometry and mounting points are engineered around that drivetrain rather than a front-wheel-drive layout.
What buyers also search for
- Subaru Legacy BN/BS suspension upgrade for road and occasional track use
- Subaru Legacy 4WD coilover damping that holds up across daily and spirited driving
- Street Advanced ride height adjustment for the Legacy BN/BS sedan and wagon
- Subaru Legacy coilover kit built around the symmetrical AWD chassis
Configure the ride height and damping range for your own 2014-2020 Legacy BN/BS below.
After tested in famous worldwide races, it reaches the ultimate quality and performance.
Street Advance is made especially for normal road use or track day. It comes with 720 damping adjusting way to satisfy your request. It is indispensable equipment for drivers aspiring speed and controlling.
Top mounts included with your kit
Every XYZ Racing coilover kit ships with the upper mounts listed below for your exact chassis — no extra parts to source.
Front
Pillow ball + rubberP+Pillow-ball upper with a rubber insert — adds steering precision and camber adjustability while keeping some of the factory mount’s harshness damping.
Hardened rubberRHardened rubber upper — firmer than the factory bush for tighter response while retaining road-friendly noise and vibration isolation.
Rear
AluminiumAAluminium upper mount — a stiff, lightweight housing that locates the damper precisely and resists flex under load.
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