K&N Filter Universal X Stream Clamp-On 3in Flange ID 6inx8in Base 5inx5in Top 6.5in Height

If you're looking to improve airflow for your 1999-2004 Nissan Frontier or Xterra, this K&N XStream Universal Air Filter is a solid option. It's designed to replace your stock air filter with a high-flow alternative, helping your engine breathe easier. The key feature here is the 'XStream' design, which means there's an additional filter element built right into the top of the air filter itself. This effectively doubles the filter surface area, allowing for significantly more air to pass through compared to a standard filter.

This extra filter area doesn't just mean more air; it also means the filter can capture more dirt before it gets clogged. That translates to a longer service interval, so you won't have to clean or replace it as often. The flange is made from a pliable, molded rubber that's built to last and can absorb engine vibrations, ensuring a secure fit. It's a clamp-on style, meaning it attaches directly to your existing intake tubing with a clamp, making installation straightforward. Remember, this filter is washable and reusable, so you can clean it and put it back in service for years of use.

Keep in mind that this filter is not CARB approved and cannot be shipped to California. Always refer to the manufacturer's instructions for proper installation and cleaning procedures.