2018 Subaru WRX STI Suspension Upgrade Parts
44 parts listed for your 2018 Subaru WRX STI for a complete suspension upgrade. Choose your trim on product pages to confirm exact fit. An advanced project - estimated 4-8 hours.
Shocks & Struts
(24)primary
AEM Induction
Part # 29-0011WR
AEM 2015 Subaru WRX/STI 2.0L/2.5L Strut Bar
$346.99

Bilstein
Part # 46-264305
Bilstein B12 Pro-Kit 2015-2017 Subaru WRX STI Front and Rear Monotube Suspension Kit
$1445.12

Bilstein
Part # 35-249467
Bilstein B6 2015-2017 Subaru WRX - STI Front Left Monotube Strut Assembly
$329.00

Bilstein
Part # 35-249474
Bilstein B6 2015-2017 Subaru WRX - STI Front Right Monotube Strut Assembly
$338.00

Bilstein
Part # 24-249485
Bilstein B6 2015-2017 Subaru WRX - STI Rear Monotube Strut Assembly
$160.36

Bilstein
Part # 35-249498
Bilstein B8 2015-2017 Subaru WRX - STI Front Left Monotube Strut Assembly
$344.22

Bilstein
Part # 35-300083
Bilstein B8 2015-2017 Subaru WRX - STI Front Right Monotube Strut Assembly
$344.22

Bilstein
Part # 24-249508
Bilstein B8 2015-2017 Subaru WRX - STI Rear Monotube Shock Absorber
$170.73
Coilovers
(19)primary
Air Lift
Part # 83001
Air Lift 15-21 Subaru WRX / 15-21 Subaru WRX STI Coil to Air Upgrade Kit
$1411.19

Air Lift
Part # 79001
Air Lift Performance 15-21 Subaru WRX / STI Coilover Kit
$1251.32

AST
Part # ASTLS-18-027
AST Suspension Lowering Springs - 15-21 Subaru Impreza WRX (VA) 20mm/20mm
$434.97

AST
Part # ASTLS-18-026
AST Suspension Lowering Springs - 2015+ Subaru WRX STI (VA) 20mm/20mm
$419.81

Bilstein
Part # 48-249546
Bilstein B16 (PSS10) Subaru WRX STi Base/Limited H4 2.5L Front & Rear Performance Suspension System
$2874.80

Eibach
Part # 7728.140
Eibach Pro-Kit for 2015 Subaru WRX STI 2.5L Turbo
$395.00


H&R
Part # RSS46760-1
H&R 15-21 Subaru STi RSS Coil Over
$1697.28

H&R
Part # 54469
H&R 15-21 Subaru STi Sport Spring
$268.88
Lift Kits
(1)companionSuspension Upgrade for Other Subaru WRX STI Years
Other Jobs for Your 2018 Subaru WRX STI
Frequently Asked Questions
What parts do I need for a suspension upgrade on my 2018 Subaru WRX STI?
A complete suspension upgrade on the 2018 Subaru WRX STI typically requires shocks & struts, coilovers, lift kits. This page groups parts commonly associated with that year, make, and model; confirm your trim on product pages for exact fit.
How long does a suspension upgrade take on a 2018 Subaru WRX STI?
A suspension upgrade typically takes 4-8 hours and is rated as advanced difficulty. Actual time may vary depending on your experience and the specific parts being replaced.
Can I do a suspension upgrade myself?
A suspension upgrade is an advanced project that typically requires specialized tools and significant mechanical experience. Many people choose to have a professional handle this job, but DIYers with the right skills and tools can save significantly on labor.
Are these parts guaranteed to fit my 2018 Subaru WRX STI?
These parts are listed for the 2018 Subaru WRX STI using manufacturer fitment data. Some products fit every trim, while others require trim confirmation. Use your trim in My Garage or the product page fitment checker to confirm exact fit.
What brands make suspension upgrade parts for the 2018 Subaru WRX STI?
We carry suspension upgrade parts from trusted brands including AEM Induction, Bilstein, Air Lift, AST, and Eibach. Filter by brand to find your preferred manufacturer.
How much does a suspension upgrade cost for a 2018 Subaru WRX STI?
The cost of a suspension upgrade for the 2018 Subaru WRX STI depends on the parts and brands you choose. Browse the parts on this page to see current pricing. Doing the work yourself saves significantly on labor costs.

