Performance Air Filter for Alfa Romeo Giulia & Stelvio QV, Maserati Grecale (2016-2025)

High-Flow BMC Performance Air Filter for Alfa Romeo Giulia, Stelvio (Type 952 / 949)

What it Does: The BMC performance panel air filter replaces the restrictive factory paper element on the Alfa Romeo Giulia and Stelvio Quadrifoglio to reduce intake pressure drop and sharpen boost onset.

The Stock Alfa Romeo Giulia, Stelvio Intake Restriction

From the factory, the twin-turbocharged Alfa Romeo 690T 2.9L V6 demands substantial volumetric airflow under peak boost. However, original equipment paper filter media prioritizes extended service intervals over flow dynamics. The dense cellulose construction generates significant parasitic depression across the intake tract at higher RPM, forcing the twin turbochargers to work harder to hit target manifold absolute pressure (MAP).

Furthermore, OEM cellulose fibers swell when exposed to atmospheric humidity, compounding intake resistance and blunting transient throttle response.

The Engineering Solution

The BMC filter panel filter utilizes multi-layered, low-viscosity oiled cotton gauze clamped in an alloy containment mesh. This architecture produces a deeper filtration matrix capable of trapping particulates down to 7 microns without choking mass air flow. The perimeter is cast in a seamless polyurethane molding using BMC's Full-Moulding technology, eliminating weak welded corners and ensuring a gas-tight seal inside the factory airbox under heavy vacuum.

The resulting increase in airflow reduces turbo spool latency while maintaining total compatibility with factory mass airflow sensor calibration and zero risk of triggering a check engine light.

Technical Specifications

Compatibility & OEM Reference

Fits the following vehicles (BMC fitment data):

• Alfa Romeo Giulia (952) 2.9 GTA (540 HP) | 2021
• Alfa Romeo Giulia (952) 2.9 V6 Quadrifoglio (510 HP) | 2016-2018
• Alfa Romeo Giulia (952) 2.9 V6 Quadrifoglio AT8 (520 HP) | 2023-2025
• Alfa Romeo Stelvio (949) 2.9 V6 Quadrifoglio (520 HP) | 2023-2025
• Alfa Romeo Stelvio (949) 2.9 V6 Quadrifoglio (510 HP) | 2017-2023
• Maserati Grecale 3.0 V6 Trofeo (530 HP) | 2022+

OEM Cross Reference (BMC): FIAT GROUP 50534431, MASERATI 675001450

Frequently Asked Questions & Fitment Warnings

Does this fit the Type 952 / Type 949 Giulia, Stelvio?

Yes, this is a direct fit for the Alfa Romeo Giulia and Stelvio equipped with the 690T 2.9L Twin-Turbo V6 engine. This filter does not fit 2.0L Turbo 4-cylinder Giulia or Stelvio models.

Does this drop-in filter require an ECU tune?

No, this drop-in filter functions seamlessly with the factory closed-loop fuel trims and requires no ECU remapping.

The Alfa Romeo Standard

Engineered for high-strung Italian powertrains, this washable cotton gauze element delivers refined intake harmonics, factory-grade sealing, and uncompromised MAF-safe filtration for demanding track and road use.