Question 1

What parts do I need for a tune-up on my 2015 Subaru WRX STI?

Accepted Answer

A complete tune-up on the 2015 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.

Question 2

How long does a tune-up take on a 2015 Subaru WRX STI?

Accepted Answer

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.

Question 3

Can I do a tune-up myself?

Accepted Answer

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.

Question 4

Are these parts guaranteed to fit my 2015 Subaru WRX STI?

Accepted Answer

These parts are listed for the 2015 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.

Question 5

What brands make tune-up parts for the 2015 Subaru WRX STI?

Accepted Answer

We carry tune-up parts from trusted brands including AEM Induction, aFe, Standard Motor Products, Denso, and Beck Arnley. Filter by brand to find your preferred manufacturer.

Question 6

How much does a tune-up cost for a 2015 Subaru WRX STI?

Accepted Answer

The cost of a tune-up for the 2015 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.

2015 Subaru WRX STI Tune-Up Parts

Air Filters

AEM 07-10 Impreza / 08-10 Forester 8.75in O/S L x 8.563in O/S W x 2.438in H DryFlow Air Filter

aFe MagnumFLOW Air Filters OER P5R A/F P5R Subaru Impreza WRX STI 08-11 H4-2.5L

aFe MagnumFLOW Air Filters OER PDS A/F PDS Subaru Impreza WRX STI 08-11 H4-2.5L

AIR CLEANER CHECK VALVE

Air Filter

AIR FILTER

Air filter insert

ATP Carbon Activated Premium Cabin Air Filter

Fuel Injectors

Aeromotive 08-20 Subaru WRX/STi 450lph Drop-In Stealth System

Aeromotive 08-20 Subaru WRX/STi Dual 340lph Drop-In Stealth System

Aeromotive 08-20 Subaru WRX/STi Single 340lph Drop-In Stealth System

Cobb 08-21 Subaru STi Fuel Pressure Regulator Kit

DeatschWerks 02-12 Subaru WRX / 07-12 Legacy GT/STI 2200cc Injectors (set of 4)

DeatschWerks 02-12 WRX / 07-12 STi / 07-12 Legacy GT 1000cc Bosch EV14 Injectors

DeatschWerks 02-14 Subaru WRX / 07-14 Legacy GT / 07-14 STI Bosch EV14 1500cc Injectors (Set of 4)

DeatschWerks 02-14 Subaru WRX / 07-14 STI/Legacy GT Bosch EV14 1200cc Injectors (Set of 4)

Fluids & Additives

aFe Pro GUARD D2 Oil Filter 02-17 Nissan Cars L4/ 04-17 Subaru Cars H4 (4 Pack)

aFe Pro GUARD D2 Oil Filter 99-14 Nissan Trucks / 01-15 Honda Cars (4 Pack)

aFe ProGuard D2 Fluid Filters Fuel F/F Oil; Nissan Cars 03-13; Subaru Cars H4 04-13

aFe ProGuard D2 Fluid Filters Fuel F/F Oil; Nissan Trucks 99-14; Honda Cars 01-14

Bosch Oil Filter

Engine Cylinder Block Lubricating Oil Pump Assembly

ENGINE OIL COOLER

Engine Oil Cooler Adapter Seal

Tune-Up for Other Subaru WRX STI Years

Other Jobs for Your 2015 Subaru WRX STI

Frequently Asked Questions