With an extremely easy maintenance routine and installation, the Magnum Force Stage 2 Si for the E9X M3 is one of the most convenient cold air intake systems on the market. Its one-piece sealed housing delivers 29% more cold air to your V8 than your vehicle’s stock configuration.
- Measured flow: 685 CFM @ 7" H2O
- Enjoy lifelong performance with a washable and reusable Pro Dry S air filter
- Built-in sight window provides easy inspection of the filter without disassembly
- Unique filter-to-housing interface makes for minimal parts and a super simple installation
- +6FT-LBs TQ