Unleash the full potential of your S58 with the OneFastShop 3 inch catless downpipes. Engineered for the BMW M2 G87, M3 G80, and M4 G82 from 2021 to 2026, this paired set strips out both factory catalytic converters and unlocks the aggressive twin turbo performance the S58 was built to deliver.
Real World Performance Gains:
- +30 to +50 horsepower with proper tuning
- Even more power on big turbo and upgraded builds
- Dramatically faster turbo spool and sharper throttle response
- Aggressive twin turbo growl from idle to redline
- Stage 2+ tune ready, supports serious power builds
Features:
- Full 3 inch diameter from each turbo outlet
- 304 grade stainless steel construction
- CNC machined billet flanges
- Hand TIG welded joints
- Welded mounting brackets on both downpipes
- Integrated flex sections on both pipes
- Grade 12 mounting hardware included
- Lifetime warranty on defects
- LHD and RHD compatibility
- Compatible with OEM and aftermarket cat back exhausts
- Direct bolt on installation, no cutting required
Technical Specs:
- Diameter: 3 inch (full diameter maintained from each turbo outlet)
- Material: 304 grade stainless steel
- Tubing: Mandrel bent
- Flanges: CNC machined billet
- Welding: Hand TIG welded
- Mounting: Welded brackets on both pipes
- Flex section: Integrated on both pipes
- Hardware: Grade 12 mounting bolts
- Configuration: Paired set (twin turbo), catalytic converters removed
- Engine: BMW S58 twin turbo
Contents:
- 2 S58 catless downpipes (driver and passenger side)
- Grade 12 mounting hardware
Gasket required for installation: Two turbo to downpipe gaskets are required to seal these downpipes to your factory turbos. Our 3.5 Inch Turbo to Downpipe Gasket for BMW S58 is available separately, add it to your order from our store.
Vehicle Fitment:
| Year |
Make |
Model |
Submodel |
Engine |
| 2021-2026 |
BMW |
M3 |
G80 (incl. Competition) |
S58 |
| 2021-2026 |
BMW |
M4 |
G82 / G83 Convertible (incl. Competition) |
S58 |
| 2023-2026 |
BMW |
M2 |
G87 (incl. Competition) |
S58 |
Important Note:
This product is intended for off-road and track use only. It is not legal for use on public roads and may not comply with emissions regulations. Check local laws before installation.
