Nissan Altima Air Intake Kit - Hi-Flow 3.5L - 402841 Increase engine performance with the Air Intake for Nissan Altima. The Genuine STILLEN intake features the most optimal horsepower and torque gains. This Nissan Altima air intake has a polished finish. This Altima intake provides a better air flow to the engine with the smooth surface tubing construction.

The first step in upgrading your Nissan Altima's performance is to replace the restrictive stock air box with a STILLEN High Flow Intake.

Increased Engine Efficiency

Additional air flow increases the Altima engine's efficiency and power output by increasing the quantity of the air/fuel ratio. The STILLEN air intake for Altima consists of a High Quality Washable Oiled Filter that incorporates a velocity stack which uses the venturi effect to accelerate air intake speed.

CARB Exempt Nissan Altima Intake

This STILLEN air intake kit for Nissan Altima is CARB Exempt (E.O. #D-436-21). Clean your filter regularly for best results.

Best Dollar-Per-Horsepower Investment

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 High Flow intake pleasing, but note that increased noise levels will result.

BENEFITS

• Built To Last - Designed & Manufactured in U.S.A.
• Larger Air Filters, More Efficient Filter Media & Enhanced Airflow improves miles per gallon (MPG)
• Faster Acceleration with 6WHP Gain
• CARB EXEMPT EO# D-436-22
• Improved Throttle Response & Top End Power
• Simple Installation - Easy Enough To Install in your Driveway!
• Improves Engine Bay Appearance
• Runs Great on Stock Tune - No CEL, No Tune Needed!