Stillen

402841

STILLEN 402841 Hi-Flow Intake Kit - 08-12 Altima Coupe / 07-13 Altima Sedan (Excl Hybrid)

Air Intake

Hi-Flow Intake Kit; Excluding Hybrid Models
Includes Genuine K&N Air Filter w/ 1,000,000 Mile Warranty
CARB Approved - E.O. #D-436-16

STILLEN Air Intakes The first step in upgrading your car's performance is to replace the restrictive stock air box with a STILLEN Hi-Flow Intake.

Additional air flow increases the engine's efficiency and power output by increasing the quantity of the air/fuel ratio. The STILLEN Hi-Flow consists of a K&N cone filter that incorporates a velocity stack which uses the venturi effect to accelerate air intake speed.

Power and throttle response will improve throughout the entire RPM range. Your best dollar-per-horsepower investment by far! Most people find the authoritative note of the intake pleasing, but note that increased noise levels will result.

Most STILLEN Hi-Flow Intakes are CARB Approved, while others are currently CARB Pending, and may not be 50 state legal until approved. Clean your filter regularly for best results.

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