Just brought a Nissan 350Z and you're looking put more horse power as well as save gas. I would advise you to add an AC AutoTechnic T3 130mm Air Filter for more power. Just by taking off the original manufacture intake system you well gain a lot of power when add an AC AutoTechnics T3 130mm Air Filter. The reason why is the original Nissan manufacture intake system restricting the air and its cover with plastic that pulls more hot air in to the engine. What it does is kill the power and using more fuel when driving your 350z. Your stock 350z filters will not cutting it with the performance than upgrade yourself to an AC AutoTechnics T3 130mm Air Filter.

The AC AutoTechnics T3 130mm Air Filter will keep your engine cool and add additional power. The first step in upgrading your car's performance is to replace the restrictive stock filter add an AC AutoTechnics T3 130mm Air Filter. The AC AutoTechnics T3 130mm Air Filter was constructed of stainless steel mesh, so you don't have to worry about deterioration. Its advanced design assures the best performance. This stainless twister filter provides the best in filtration, airflow and power. This newly developed AC AutoTechnics T3 130mm Air Filter stainless twister air filter is the only air filtration system of its kind and a high flow, rapid, increased twisting of air flow for sound and performance. AC AutoTechnics T3 130mm Air Filter delivers the most power & sound. This unique design decreases restriction allowing a substantial improvement in airflow and power.