IBOAUTO
S58 Catless Downpipes (X3 M F97 / X4 M F98)
Downpipe
$849.00
FitsS58
Off-road / competition use only
This part removes factory emissions equipment. It is not legal for use on vehicles driven on public roads and is sold only for off-road, racing and closed-course competition use. You are responsible for following the emissions laws where the vehicle is used. Read more
Catless downpipes for the S58 X3 M and X4 M. They step from 3.5" at the turbos down to 3" and run straight through with no catalytic converters, for faster spool and a louder, sharper exhaust once the car is tuned. TIG-welded 304 stainless with flex sections. Sold as a pair.
- 3.5" to 3", 304 stainless, 1.5 mm wall
- TIG welded, with flex sections
- Straight-through, no catalytic converters
- Bolt-on, no cutting or welding
Fits
- BMW F97 X3 M incl. Competition (2020+)
- BMW F98 X4 M incl. Competition (2020+)
- Not for OPF/GPF-equipped (European-spec) cars
- Confirm fitment with your VIN before ordering
Specs
- Emissions
- Catless (off-road / competition use only)
- Tune
- Tune required
- Diameter
- 3.5 in to 3 in
- Material
- 304 stainless steel, 1.5 mm wall
- Welding
- TIG
- Flex sections
- Yes
- Quantity
- Pair
What's included
- 2 downpipes
Install
- Bolt-on, no cutting or welding
- Reuses factory O2 sensors
- Requires a tune that supports catless downpipes, or the check engine light will come on
- Professional install recommended
- New turbo and mid-pipe gaskets recommended
