aFe Power Downpipes (w/ HFC) for BMW F2x/F3x/G1x [B58]
High Flow Catalytic Converter:
This downpipe utilizes a 400 CPSI (cell per square inch) catalytic converters for maximum flow.
3" Interlock Flex Pipes:
The downpipe utilizes heavy duty 3" flex tubes with internal interlock liners.
Factory Mounting Locations:
The down-pipe mount directly to factory mounting locations and includes hardware for a hassle-free installation.
A unique 4" into 3-1/2" stepped 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 downpipe are constructed of 4" into 3-1/2" mandrel-bent, brushed 304 stainless steel tubing for maximum performance, corrosion resistance and strength eliminating cracking.
Includes an additional bung for either a wide-band O2 gauge or auxiliary instrumentation.
- BMW 140i (F20/F21) [3.0L I6 Turbo B58]
- BMW 240i (F22/F23) [3.0L I6 Turbo B58]
- BMW 340i (F30/F31/F34) [3.0L I6 Turbo B58]
- BMW 440i (F32/F33/F36) [3.0L I6 Turbo B58]
- BMW 740i (G10/G11) [3.0L I6 Turbo B58]
Where To Buy? (Find Closest Store)
aFe Power Factory Store
- BMW 1-Series (F20/F21) [3.0L I6 Turbo B58]
- BMW 2-Series (F22/F23) [3.0L I6 Turbo B58]
- BMW 3-Series (F30/F31/F34) [3.0L I6 Turbo B58]
- BMW 4-Series (F32/F33/F36) [3.0L I6 Turbo B58]
- BMW 7-Series (G11/G12) [3.0L I6 Turbo B58]
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