If you’re looking to give your 2002-2006 Nissan Altima 2.5L a little extra kick, check out the HPS Performance 827 Series Air Intake Kit (Polish, Part # 827-570P). This isn’t just any air intake; it’s designed with a 3-inch mandrel-bent aluminum tube that really opens up airflow. You’ll notice a boost in horsepower and torque, plus your throttle response will feel snappier. And don’t worry about messing with your air-fuel ratio—it stays safe and sound.

One of the cool features is the heat shield. It keeps the hot air away from your filter, which means cooler, denser air gets into the engine. That’s what you want for better performance. Installation is straightforward; the manual has clear pictures and easy-to-follow steps. No tuning is needed after you install it, and you won’t have to deal with any check engine lights popping up. Seriously, it’s a bolt-on kit with no modifications required.

The lightweight aluminum alloy tubing replaces your stock air box, which is usually pretty restrictive. This upgrade not only improves airflow but also dissipates heat effectively, making it durable for the long haul. Plus, the kit comes with reinforced silicone hoses and heavy-duty stainless steel T-bolt clamps. These components are built to last, even if you decide to push your Altima to its limits.

And let’s not forget about the air filter. It’s designed to provide excellent filtration without choking off airflow. Best part? It’s washable and reusable, so you’re not constantly buying replacements. All HPS Performance air filters are made right here in the USA, so you know you’re getting quality.

• Boosts horsepower and torque, with improved throttle response—no tuning necessary.
• Lightweight 3-inch mandrel-bent aluminum piping for better airflow and heat dissipation.
• Includes race-proven reinforced silicone hoses and industrial-grade stainless steel T-bolt clamps.
• Heat shield blocks hot air for optimal cooling; installation manual included with clear instructions.
• Easy bolt-on installation, no modifications required.

• Product Type: Performance Air Intake
• Series: 827 Series
• Color: Polished
• Vehicle Type: Sport Compact
• Tubing Material: Aluminum
• Air Filter Type: Cone
• Replacement Air Filter SKU: HPS-4276

• Nissan Altima 2.5L 4Cyl 2002-2006

So if you're ready to enhance your Altima's performance without the hassle, this HPS intake kit is definitely worth a look.