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SKU: B616X01P-BK
Subaru 2015-2018 WRX STI Stage 1+ Power Package
AEM Stage 1+ Power Package delivers dyno-proven power for 2015-2018 Subaru WRX STI models including Base Launch Edition and Limited trims. It combines a high-flow cold air intake system with V3 FLASHTune for instant horsepower and torque increases plus sharper throttle response. Engineered to pull in cooler air while optimizing fuel and ignition timing for track-ready performance.
Key Features
- High-Flow Cold Air Intake: Massive dual-chamber air box and 3-inch mandrel-bent aluminum tube boost airflow by 45% over stock for denser cooler intake charge
- Dryflow Synthetic Filter: Reusable washable design traps 99.4% of dirt while flowing 97 CFM more air than OEM filter
- V3 FLASHTune Tuner: Handheld device with preloaded maps adds 16 HP and 18 lb-ft refines air/fuel ratios and timing for combined package gains of 29 HP and 23 lb-ft at wheels
- Pre-Filter Option: Included for dusty conditions protects filter media extends service intervals
- EPA Compliant Design: Retains stock emissions configuration no check engine lights or smog issues
Product Notes
- Requires 93 octane unleaded fuel for full power delivery
- FLASHTune backups stock ECU file before flashing allows reversion if needed
- Oversized packaging requires freight calculator for remote areas
Installation Notes
- Professional installation recommended.
- Cold air intake bolts on in 90 minutes using basic hand tools no cutting or permanent mods
- FLASHTune plugs into OBD-II port flashes in under 10 minutes no disassembly required
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2015 | Subaru | WRX STI | Base |
| 2015 | Subaru | WRX STI | Launch Edition |
| 2015 | Subaru | WRX STI | Limited |
| 2016 | Subaru | WRX STI | Base |
| 2016 | Subaru | WRX STI | Limited |
| 2017 | Subaru | WRX STI | Base |
| 2017 | Subaru | WRX STI | Limited |
| 2018 | Subaru | WRX STI | Base |
| 2018 | Subaru | WRX STI | Limited |
Why Choose AEM?
- Dyno-tested on actual Subaru STI engines for verified gains
- Precision-machined components withstand boost and heat cycles
- Backed by 25+ years of turbocharged Subaru development
Frequently Asked Questions
-
Q: Does this fit 2016-2018 WRX STI Limited models?
A: Yes direct bolt-on fitment confirmed for all 2015-2018 STI trims including Base Limited and 2015 Launch Edition no modifications needed -
Q: What materials build this power package?
A: Heat-resistant powder-coated aluminum intake tube high-density cross-link polyethylene air box and premium synthetic Dryflow filter media -
Q: What warranty coverage applies?
A: Lifetime limited warranty on intake hardware 1-year warranty on FLASHTune tuner covers defects in materials and workmanship
Shipping & Handling
- Method: UPS Ground or FedEx Ground
- Availability: In stock - ships same or next business day
- Packaging: Single oversized box 24in L x 16in W x 12in H
- Weight: 7.5 lbs
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...
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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...
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COBB
COBB Tuning parts for turbocharged performance platforms are stocked at Black Ops Auto Works. Shop the Accessport ECU programmer, cold air intakes, cat back exhaust systems, and supporting hardware engineered for Subaru WRX and STI, Ford Focus ST and RS, Ford F-150 EcoBoost, Mazdaspeed3 and 6, Nissan GT-R, Porsche, BMW, and Volkswagen platforms. Every product is filterable by year, make, model, and trim so the correct part ships the first time. Black Ops Auto Works carries 372 COBB SKUs across tuning, intake, and exhaust categories. What This Brand Covers COBB Tuning built its reputation on the Accessport, one of the most widely used ECU flash tools in the aftermarket, and has expanded into intakes, exhausts, downpipes, and supporting hardware for a range of turbocharged platforms. The catalog centers on a defined group of import and Euro performance vehicles rather than a single brand family. Brand Focus COBB Tuning parts are engineered primarily for Subaru, Ford, Mazda, Nissan...
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