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The ARM 6" B58 Downpipe is one of the foundational upgrades for giving your B58-powered BMW more power
We are proud to introduce our VRSF race & catted downpipe for your B58 X3 M40iX & X4 M40iX
Beyond these tolerances
Simply remove the factory plastic hose and replace it with your new o ring sealed IE breather adapter securing it with the supplied clip
VRSF Stainless Steel Race Muffler | F30 335i · F32 435i MK2 Touareg (7P) 3.6L VR6 The ARM 6" B58 DownpipeWe are proud to introduce our VRSF Stainless Steel Race Muffler Delete for the N55 F30 F32 335i & 435i. This muffler delete is one of the most cost effective exhaust modifications available for your N55! By eliminating the incredibly restrictive OEM muffler, back pressure is reduced significantly which results in faster spool, an increase in power & a more aggressive exhaust note. We use a unique CAD CAM designed cast stainless steel merge collector
