aFe Stage 2 Cold Air Intake BMW E60 550i E63 650i Mitsubishi All of ACT's diaphragms go

All of ACT's diaphragms go through a four-stage heat treating process for improved performance

the STI radiator cap has a pressure rating of 1

Dyno Tested Intake Tube:

Milltek Sport uses only the finest aircraft-grade stainless steel in the construction of all of its systems

Mono-Tube damper with high pressure nitrogen

aFe Stage 2 Cold Air Intake BMW E60 550i E63 650i Mitsubishi All of ACT's diaphragms goThis air intake system produces 12 max horsepower, 10. 5lbs. x ft. torque and out flowed the factory intake by 54%. Includes a durable 16 gauge, powder coated heat shield; this air intake system features a washable reusable conical air filter. This intake system also features a heat insulating molded plastic tube that replaces the stock intake tract and directs increased air flow with improved volumetric efficiency for maximum performance. One piece