BMW F22 F23 F30 F31 F32 F33 F36 G30 G32 GT G11 G12, B58 Downpipe

We are proud to introduce our WeldAffection race & high-flow catted downpipe for your B58 M240i, 340i, 440i, 540i, 740i & xDrive variants.

These downpipes are THE best bang-for-the-buck mod available for your B58, and they’re available in both race & high-flow downpipe configurations.

Downpipe Features:

• Handcrafted, TIG welded 4.5″ 304 grade stainless steel downpipe

• Available with a 200 cell high flow cat

• Highest quality 2.0mm wall 304L stainless steel

• Inlet diameter: 114mm

• Outlet diameter: 90mm

• Fits RHD and LHD models with no modification necessary

• Smooth radius bends to decrease turbulence and increase flow

• Fits the stock catback as well as all aftermarket catbacks

• Gains from 25-30hp with tune

This downpipe fits the following BMWs:

• 2016+ F22/F23 BMW M240i & M240i xDrive

• 2016+ F30/F31 BMW 340i & 340i xDrive

• 2016+ F32/F33/F36 BMW 440i & 440i xDrive

• 2016+ G30 BMW 540i & 540i xDrive

• 2016+ G32 GT BMW 640i & 640i xDrive

• 2016+ G11/G12 BMW 740i & 740i xDrive