![AWE Tuning S-FLO Filter | B8 S4 · S5 | 3.0L SC V6 · 4.2L V8 F90 M5 Competition 4.4L Turbo V8 [S63] 5](https://cdn.shopify.com/s/files/1/0635/0032/1015/files/AWETuningS-FLOFilterB8S4_S53.0LSCV6_4.2LV8.png?v=1776541933)
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5" Intake Air Filter 3" Flange
Greatly reduces airflow turbulence for increased turbo efficiency
APR OEM Bosch High Flow Fuel Injectors
low engine sound levels and long service intervals
With optional RPM limits to choose from you can pick what works best for your setup
AWE Tuning S-FLO Filter | B8 S4 · S5 | 3.0L SC V6 · 4.2L V8 F90 M5 Competition 4.4L Turbo V8 [S63] 5" Intake Air Filter 3"The S FLO Filter is the largest filter that can fit within the factory air box, and also our bespoke filter of choice for all 3. 0T S FLO packages. The AWE S FLO Filter is a proprietary, washable, large cylindrical filter that has been tested to allow up to 34% more airflow than the factory paper filter. The entirety of the 3. 0T S FLO lineup was designed and tested on AWE in house vehicles, and are cost effective, incredibly attractive upgrades to
