2021 Subaru WRX Intake Upgrade Parts
24 parts listed for your 2021 Subaru WRX for a complete intake upgrade. Choose your trim on product pages to confirm exact fit. This is an easy DIY project - estimated 30-60 minutes.
Cold Air Intakes
(14)primary
aFe
aFe Takeda Stage-2 PRO 5R Cold Air Intake System 15-18 Subaru WRX H4 2.0L (t)
$399.00
aFe
aFe Takeda Stage-2 PRO DRY S Cold Air Intake System 15-18 Subaru WRX H4 2.0L (t)
$410.00
Injen
Injen 15-20 Subaru WRX H4-2.0L Turbo Evolution Evolution Intake
$386.35
Injen
Injen 15-21 Subaru WRX 2.0L 4 Cyl. Polished Cold Air Intake
$502.85
Injen
Injen 15-21 Subaru WRX 2.0L 4 Cyl. Wrinkle Black Cold Air Intake
$502.85
Injen
Injen 15-21 Subaru WRX 2.0L 4 Cyl. Wrinkle Red Cold Air Intake
$502.85
Injen
Injen 2015+ Subaru WRX 2.0L 4 Cyl (Turbo) Black Short Ram Intake w/ MR Tech and Heat Shield
$405.48
Injen
Injen 2015+ Subaru WRX 2.0L 4 Cyl (Turbo) Polished Short Ram Intake w/ MR Tech and Heat Shield
$405.48
Performance Air Filters
(10)primary
Beck Arnley
AIR FILTER
$16.87
Hengst
Air filter insert
$9.78
Beck Arnley
CABIN AIR FILTER
$15.47
Pronto
Engine Air Filter
$15.00
K&N
K&N 05-08 LGT / 08-11 WRX / STi Drop In Air Filter
$68.99
K&N
K&N 09-18 Subaru Forester 2.5L H4 F/I Cabin Air Filter
$47.99
Baldwin Filters
Panel Air Element
$13.42
Hengst
Pollen Cabin Air Filter
$15.60
Intake Upgrade for Other Subaru WRX Years
Other Jobs for Your 2021 Subaru WRX
Frequently Asked Questions
What parts do I need for a intake upgrade on my 2021 Subaru WRX?
A complete intake upgrade on the 2021 Subaru WRX typically requires cold air intakes, performance air filters. 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 intake upgrade take on a 2021 Subaru WRX?
A intake upgrade typically takes 30-60 minutes and is rated as easy difficulty. Actual time may vary depending on your experience and the specific parts being replaced.
Can I do a intake upgrade myself?
Yes! A intake upgrade 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 2021 Subaru WRX?
These parts are listed for the 2021 Subaru WRX 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 intake upgrade parts for the 2021 Subaru WRX?
We carry intake upgrade parts from trusted brands including aFe, Injen, Beck Arnley, Hengst, and Pronto. Filter by brand to find your preferred manufacturer.
How much does a intake upgrade cost for a 2021 Subaru WRX?
The cost of a intake upgrade for the 2021 Subaru WRX 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.