MagnaFlow Conv DF 00-03 Audi A8 Quatt 4.2L Passenger Side TWO PC 3L Black Nitrided Intake Valve

3L Black Nitrided Intake Valve - +1mm Oversize - Single

Moroso Bullet Nose Black OX Studs - 5/16-18 X 5/16-24 X 1 5/8 (10 Pack)

Muffler 11254s weight-optimized 4x9x18in

MagnaFlow OEM Grade Federal/EPA Compliant Universal Catalytic Converter 51235 helps keep the check engine light off

This easy to install performance air intake system allows that turbocharged engine to breathe deeper to unleash that additional performance that you've been craving

MagnaFlow Conv DF 00-03 Audi A8 Quatt 4.2L Passenger Side TWO PC 3L Black Nitrided Intake ValveMagnaFlow OEM Grade Federal EPA Compliant Direct Fit Catalytic Converter 51890 helps keep the check engine light off. DIY installation is easy with the proper tools (no cutting or welding required). With features including mandrel bent tubing to eliminate flow restrictions and stainless steel construction to resist corrosion, you can have confidence in the quality of this catalytic converter. Using state of the art 3D scanning systems in the design