VRSF B58 Downpipe Upgrade 2017 – 2020 BMW X3 M40iX G01 & X4 M40iX G02

VRSF

We are proud to introduce the VRSF catless & catted downpipe for your B58 X3 M40iX & X4 M40iX. This downpipe is THE best bang for the buck mod available. This downpipe is available in both catless (race) & catted configuration.

Back pressure is significantly reduced by eliminating the restrictive catalytic converter in the factory downpipe with our catless or high flow 200 cell race cat which results in faster spool, an increase in power & a more aggressive exhaust note. Our downpipe features a full 4.5″ stainless steel design as well as a CNC 304 grade stainless steel flange that offers a smooth transition from the turbo to the mid pipes. All VRSF downpipes are hand crafted from SS304 grade stainless steel and include a lifetime warranty as well as our “No Hassle” satisfaction guarantee (includes fitment).

Please note that the warranty on the catted downpipe is limited to two years.

VRSF 4.5″ BMW X3 M40iX G01 & X4 M40iX G02 B58 Stainless Steel Downpipe

  • Made from hand crafted, tig welded 4.5″ 304 grade stainless steel.
  • Available with a 200 cell high flow cat.
  • 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.
  • VRSF Lifetime Warranty
This item fits the following BMWs:

2017 – 2020 G01 BMW X3 M40iX xDrive
2017 – 2020 G02 BMW X4 M40iX xDrive

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