SKU: MMAB-STI-15 | UPC: 748354017304
Mishimoto 2015-2021 Subaru WRX STI Airbox
Upgrade your Mishimoto Performance Air Intake with this black powdercoated airbox designed for 2015-2021 Subaru WRX STI models. It channels more cold outside air directly into the intake for better efficiency and performance gains. Crafted from durable steel with a glossy finish it enhances engine bay appearance while providing precise MAF readings for reliable tuning and datalogging in select setups.
Key Features
- Cold Air Diversion: Directs cooler outside air into the intake to lower intake temperatures and support consistent power delivery
- Steel Construction: Heavy-duty steel build with light glossy black powdercoat finish resists corrosion and withstands engine bay heat
- MAF Accuracy: Delivers more reliable mass airflow sensor readings in compatible configurations for accurate tuning and datalogging
- Complete Hardware: Includes all protective edge strips mounting hardware and template for trimming stock plastic intake duct if retained
- Engine Bay Style: Clean black finish complements performance builds and adds professional look under the hood
Product Notes
- Pair with Mishimoto Performance Air Intake for full system benefits
- Template provided for precise trimming of stock plastic duct when used
- Ships ready for installation with all necessary components included
Installation Notes
- Professional installation recommended.
- Basic hand tools required direct bolt-on fit to Mishimoto intake
- All hardware and edge trim supplied for secure rattle-free mount
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2015-2021 | Subaru | WRX STI | Base |
| 2015 | Subaru | WRX STI | Launch Edition |
| 2015-2021 | Subaru | WRX STI | Limited |
| 2016 | Subaru | WRX STI | Series.HyperBlue |
| 2018 | Subaru | WRX STI | Type RA |
Why Choose Mishimoto?
- Engineered and tested in the USA for Subaru applications
- Durable materials built for long-term performance reliability
- Lifetime warranty backs every component
Frequently Asked Questions
-
Q: Does this airbox fit all 2015-2021 Subaru WRX STI trims?
A: Yes it provides direct fit for Base Limited Launch Edition HyperBlue and Type RA models with Mishimoto intake installed -
Q: What material and finish does the airbox use?
A: Made from strong steel with black powdercoat finish for heat resistance and sharp engine bay aesthetics -
Q: What warranty coverage applies?
A: Includes Mishimoto Lifetime Warranty covering defects in materials and workmanship
Shipping & Handling
- Method: Standard ground shipping
- Availability: In stock - ships same or next business day
- Packaging: Securely boxed 22in L x 14in W x 9in H
- Weight: 5.45 lbs product 6.4 lbs shipping
Air Boxes
Air boxes and intake airbox kits for street, turbo and truck builds are stocked at Black Ops Auto Works. Shop OE-style replacement boxes, sealed cold air boxes, carbon fiber air boxes, airbox lids, snorkel kits, intake heat shields, inlet tubes, panel filters and complete intake packages for Mustang, WRX, WRX STI, GT-R, F-150 EcoBoost, Corvette, Tacoma and other performance vehicles. Every product is filterable by year, make, model, trim, engine and drivetrain so the correct part ships the first time. Black Ops Auto Works carries 169 air box SKUs across vehicle-specific fitment, performance upgrades, replacement parts, installation hardware and custom build needs. What This Collection Covers Air boxes isolate the filter from engine-bay heat while managing the airflow path into the intake tube or turbo inlet. This collection includes direct-fit enclosures, sealed lids and matched intake systems built around vehicle-specific filter placement and sensor locations. Sealed Air Box Be...
View Air Boxes Products
Air Intake Systems
Air intake systems for Hellcat, Trackhawk, TRX, HEMI, and import performance platforms are stocked at Black Ops Auto Works. Shop cold air intakes, short ram intakes, air boxes, intake elbows, mass air flow sensors, scoops, snorkels, and silicone couplers for street cars, trucks, Jeeps, and supercharged Mopar builds. Every intake system is filterable by vehicle platform, engine, and intake style so the correct part ships the first time. Black Ops Auto Works carries 4,427 air intake SKUs across cold air intakes, short ram intakes, and supporting components. What This Category Covers An air intake system pulls outside air into the engine and filters it before combustion. Upgrading the factory intake with a cold air intake, short ram intake, or carbon fiber system can improve airflow, throttle response, induction sound, and horsepower potential on compatible applications. Cold Air Intakes vs Short Ram Intakes Cold air intakes route the filter away from engine bay heat for cooler, de...
View Air Intake Systems Products
Mishimoto
Mishimoto performance parts for Jeep, RAM, Dodge, Chevy, Ford, Toyota, Honda, BMW, and Nissan platforms are stocked at Black Ops Auto Works. Shop Mishimoto radiators, intercoolers, oil coolers, transmission coolers, baffled catch cans, silicone hose kits, thermostats, water pumps, cold air intakes, wheel spacers, and fabrication fittings for Hellcat, Trackhawk, HEMI, Cummins diesel, EcoBoost, and Coyote engine builds. Every product is filterable by year, make, model, trim, engine, and drivetrain so the correct part ships the first time. Black Ops Auto Works carries 2,065 Mishimoto SKUs across cooling, intake, oil control, and fabrication categories. What This Brand Covers Mishimoto built its name on performance cooling and has grown into a full engine bay parts brand. This collection spans direct fit radiators, universal intercoolers, oil and transmission coolers, catch cans, silicone hoses, thermostats, water pumps, wheel accessories, and small fabrication parts like fittings a...
View Mishimoto Products


