Cold Air Intake Kit for 2003-2006 Nissan 350Z Aluminum

The VQ35DE in the 2003-2006 Nissan 350Z is one of Nissan's most capable naturally aspirated V6 engines — but the factory intake routes air through a plastic resonator box packed with baffles designed to suppress induction noise rather than maximize flow. The result is a muffled engine note and restricted airflow at the very top of the rev range where the VQ35DE comes alive.

The FLASHARK Cold Air Intake Kit replaces the factory system with a mandrel-bent aluminum intake tube and a high-flow dry cotton gauze cone filter, shielded from engine heat by an included heat shield. Dyno testing shows gains of 5-10 HP and 6-8% torque on the VQ35DE, with the most noticeable improvement in throttle response and the sharp, aggressive induction note that VQ engines are famous for — and that the factory works hard to hide. No tune required; the factory MAF sensor and all stock sensor ports transfer directly.

Installation takes 45-60 minutes with basic hand tools, no cutting or permanent modifications. Whether you are building a weekend Z, a track day car, or just want the VQ to finally sound the way it should, this is the cleanest first bolt-on available for the Z33 platform.

Key Features

Mandrel-Bent Aluminum Intake Tube — smooth, restriction-free airflow path replaces the factory's baffled plastic resonator box; black powder-coated finish for heat resistance and long-term durability

High-Flow Dry Cotton Gauze Cone Filter — 95% filtration efficiency, washable and reusable; oil-free design eliminates MAF contamination risk

True Bolt-On Installation — all factory MAF, IAT, and PCV sensor ports are retained; no cutting, drilling, or permanent modifications required

OEM MAF Sensor Compatible — calibrated housing maintains stock air/fuel ratios; no check engine light, no idle issues, no tune required

Unlocks the VQ35DE Induction Sound — removes the factory resonator suppressors to deliver the aggressive, high-revving intake howl the VQ35DE produces at full throttle

Specifications

Brand: FLASHARK
SKU: FLIS25028
Material: Aluminum piping
Tubing Finish: Black powder-coated
Filter Type: Dry 
Filter Style: Cone
Filter Media: Cotton gauze
Filtration Efficiency: 95%
Installation: Bolt-on, 45-60 minutes
Tuning Required: No
Warranty: 1 Year

Package Includes

2x Mandrel-bent aluminum intake tube
1x High-flow dry cotton gauze cone air filter
3x Silicone coupler set
7x Stainless steel hose clamp set
1x Mounting hardware kit