Girodisc BMW E46 M3 Front Rotors Oil Cap 5" straight-through pipe that splits

5" straight-through pipe that splits into dual 3" pipes out the back with the valves open

Fitment Note: Use these rotors with the factory iron pad shape

and other automotive applications

Patented Venturi Filter Housing: Crafted from 100% pre-preg carbon fiber

Computer modelling and real-world testing of the factory Subaru top-mount intercooler shows that while it cools effectively in short bursts

Girodisc BMW E46 M3 Front Rotors Oil Cap 5" straight-through pipe that splitsThese GiroDisc 2 piece rotors are a direct replacement for the BMW E46 M3 with the 345mm setup found on Competition Package (ZCP) and CSL models. Weighing in at 17. 5 lbs per rotor, these fully floating assemblies help shed unsprung weight and rotating mass from the front axle of the vehicle. The rotor rings are machined from a proprietary casting made of high carbon iron formulated to GiroDiscs specifications. This superior metallurgy results in a