aFe MagnumFLOW Air Filters OE Replacement PRO 5R Porsche Boxster S 05-12 H6 3.4L AG-401 Lithium Battery SFI Approved on most race

SFI Approved on most race applications

Improve the balance and rigidity while hustling through the local canyon roads

AEM’s Gauge-Type Wideband UEGO Controller features a digital LED display and sweeping LED “needle” that changes colors as AFR changes from rich to lean

Gains are abundant throughout the power-band and this tune will wake up even a stock DBS

aFe MagnumFLOW Air Filters OE Replacement PRO 5R Porsche Boxster S 05-12 H6 3.4L AG-401 Lithium Battery SFI Approved on most raceConstructed with 100 percent polyurethane on all four sides this high flow oiled OE replacement performance filter will out flow stock paper filter for improved horsepower and torque. Five layers of progressively finer mesh cotton gauze media provide maximum airflow for best performance results. Washable and reusable for multiple cleaning cycles the tall open evenly space pleats provide excellent dust holding capacity for longer service cycle between