In testing, the down-pipes produced a max gain of +13 horsepower and +29 ft. lbs. of torque verified by our in house dyno *(Dyno results are from P/N: 48-46303-HN)
High Flow Catalytic Converter:
This down-pipe utilize a 400 CPSI (cell per square inch) catalytic converters for maximum flow.
Factory Mounting Locations:
The down-pipe mount directly to factory mounting locations and includes hardware for a hassle-free installation.
A unique 4" tapered design is used to increase exhaust velocity and increase usable torque. This means more aggressive throttle response and increased passing power.
Factory Style Connections:
Machined, factory style flanges are used for a secure leak-free seal.
100% TIG-Welded by certified craftsmen for race proven strength and durability. TIG-Welding provides the strongest welds reducing stress cracks.
Brushed 304 SS Construction:
This down-pipe are constructed of 4" mandrel-bent, brushed 304 stainless steel tubing for maximum performance, corrosion resistance and strength eliminating cracking.
This Part Fits the Following Vehicles
|BMW||All||228i xDrive||N20 2.0L|
|BMW||All||320i xDrive||N20 2.0L|
|BMW||All||328i xDrive||N20 2.0L|
|BMW||All||428i xDrive||N20 2.0L|