2020 Subaru WRX STI Tune-Up Parts
107 parts listed for your 2020 Subaru WRX STI for a complete tune-up. Choose your trim on product pages to confirm exact fit. This is an easy DIY project - estimated 1-2 hours.
Air Filters
(11)primary
AEM Induction
Part # 28-50092
AEM 19-20 Subaru WRX STI 2.5L DryFlow Air Filter
- Type
- Engine
$70.47
Standard Motor Products
Part # AV69
AIR CLEANER CHECK VALVE
- Type
- Engine
$284.62
Beck Arnley
Part # 042-1981
AIR FILTER
- Type
- Engine
$22.42
Beck Arnley
Part # 042-2174
CABIN AIR FILTER
- Type
- Engine
$23.43
Pronto
Part # PA99861
Engine Air Filter
- Type
- Engine
$11.65
K&N
Part # VF2055
K&N 09-18 Subaru Forester 2.5L H4 F/I Cabin Air Filter
- Type
- Engine
$55.47
K&N
Part # 33-5092
K&N 2019 Subaru WRX STI 2.5L F/I Replacement Air Filter
- Type
- Engine
$70.47
K&N
Part # RU-5163
K&N Universal Rubber Filter 5in Flange ID x 6.5in Base OD x 4.5in Top OD x 4.125in Height
- Type
- Engine
$76.47
Fuel Injectors
(22)companion
Aeromotive
Part # 18081
Aeromotive 08-20 Subaru WRX/STi 450lph Drop-In Stealth System
$980.71
Aeromotive
Part # 18082
Aeromotive 08-20 Subaru WRX/STi Dual 340lph Drop-In Stealth System
$1037.79
Aeromotive
Part # 18080
Aeromotive 08-20 Subaru WRX/STi Single 340lph Drop-In Stealth System
$852.78
DeatschWerks
Part # 9-000-7050
DeatschWerks 08-21 Subaru WRX/STI X2 Series Fuel Pump Module
$438.98
DeatschWerks
Part # 9-301-7050
DeatschWerks 08-21 Subaru WRX/STI X2 Series Fuel Pump Module w/ Dual DW300 Pumps
$667.48
DeatschWerks
Part # 6-615
DeatschWerks 08+ Subaru WRX/STI X2 Series Pump Module -8AN Feed w/ -6AN Return CPE Plumbing Kit
$758.98
DeatschWerks
Part # 6-616
DeatschWerks 08+ Subaru WRX/STI X2 Series Pump Module -8AN Feed w/ -6AN Return PTFE Plumbing Kit
$858.98
DeatschWerks
Part # 9-652-1008
DeatschWerks 265 LPH Compact In-Tank Fuel Pump w/ 08-12 WRX/ 08-15 STi / 05-09 LGT Set Up Ki
$163.48
Fluids & Additives
(74)consumable
aFe
Part # 44-LF017-MB
aFe Pro GUARD D2 Oil Filter 02-17 Nissan Cars L4/ 04-17 Subaru Cars H4 (4 Pack)
$67.61
aFe
Part # 44-LF017
aFe ProGuard D2 Fluid Filters Fuel F/F Oil; Nissan Cars 03-13; Subaru Cars H4 04-13
$20.38
Bosch
Part # 3974
Bosch Oil Filter
$16.83
Standard Motor Products
Part # OCK56
ENGINE OIL COOLER
$375.14
Dorman
Part # 917-036
Engine Oil Cooler Adapter Seal
$12.42
Gates
Part # 31119
Engine Oil Filler Cap
$16.51
Hengst
Part # H97W06
Engine Oil Filter
$9.33
Hayden
Part # 512
High Performance Transmission Oil Cooler
$49.47
Tune-Up for Other Subaru WRX STI Years
Other Jobs for Your 2020 Subaru WRX STI
Frequently Asked Questions
What parts do I need for a tune-up on my 2020 Subaru WRX STI?
A complete tune-up on the 2020 Subaru WRX STI typically requires air filters, fuel injectors, fluids & additives. 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 tune-up take on a 2020 Subaru WRX STI?
A tune-up typically takes 1-2 hours and is rated as easy difficulty. Actual time may vary depending on your experience and the specific parts being replaced.
Can I do a tune-up myself?
Yes! A tune-up is an easy DIY project that most people can do with basic hand tools. It's a great way to save money on labor costs.
Are these parts guaranteed to fit my 2020 Subaru WRX STI?
These parts are listed for the 2020 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 tune-up parts for the 2020 Subaru WRX STI?
We carry tune-up parts from trusted brands including AEM Induction, Standard Motor Products, Beck Arnley, Pronto, and K&N. Filter by brand to find your preferred manufacturer.
How much does a tune-up cost for a 2020 Subaru WRX STI?
The cost of a tune-up for the 2020 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.