A high-density polyethylene (HDPE) rotationally-molded tube helps increase the volume of airflow to your engine, and provides a guaranteed increase in horsepower and torque. These systems are paired with a washable, reusable High-Flow Air Filter™ featuring oiled cotton filter media. The oversized, conical design allows you to go up to 100,000 miles between filter services under normal highway driving conditions. A custom heat shield helps protect intake air from the high temperature of your engine bay, and the entire system can typically be installed in less than 60 minutes.
Features:
- Guaranteed to increase horsepower and torque
- Roto-molded HDPE intake tube paired with oversized oiled cotton air filter
- Engineered to provide high airflow and exceptional filtration
- Replaces factory air filter and intake tube
- Filter only requires cleaning every 100,000 miles under normal highway driving conditions
- Typical installation can be completed in 60 minutes or less with simple hand tools
- No-Hassle Lifetime Limited Warranty™
- Will not void vehicle warranty
Specifications:
- Estimated Horsepower Gain 9.69 HP @ 6090 RPM
- Replacement Filter RU-4730
- Air Filter Color Red
- Air Filter Material Cotton Gauze
- Air Filter Outlet Shape Round
- Clamps Included 3
- Clamp Material Stainless Steel
- Clamp Style Regular
- CARB EO Number D-269-31
- Couplers Included 1
- Type Gen II
- Estimated Torque Gain 8.4 lbft
- Product Style 57 Series FIPK
- Intake Pipe Color / Finish Black
- Intake Pipe Material High-Density Cross-Linked Polyethylene
Fitment:
- 1999-2000 BMW 323Ci 2.5L
- 1999-2000 BMW 323i 2.5L
- 2001-2005 BMW 325Ci 2.5L
- 2001-2005 BMW 325i 2.5L
- 2002-2005 BMW 325Xi 2.5L
- 1999-2000 BMW 328i 2.8L
- 2000 BMW 328Ci 2.8L
Included:
- K&N Cold Air Intake System
- All Mounting Hardware
Note:
- Legal for use in all 50 states