Gumotorsport Catless Downpipe for BMW B58 M240i/340i/440i/540i/740i & xDrive 2016+ 4.5inch
Part #: GMS-B58-CL-001
Gumotorsport presents the catless B58 Downpipe for 2016 + M240i , 340i 440i 540i 740i & xDrive variants.
- 304 grade stainless steel
- CNC flanges
- Catless design , High Flow Downpipe
- 4.5" high flow design ( Hand welded )
Back pressure is significantly reduced by eliminating the restrictive catalytic converter in the factory downpipe
- Fits RHD and LHD models with no modification necessary.
- Fits the stock catback as well as all aftermarket catbacks.
- Gains from 20-30hp with tune.
2016+ F32/F33/F36 BMW 440i & 440i xDrive
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