
CTS Turbo BMW S58 G80/G82/G87 M2/M3/M4 High-Flow CATS
Ships from the brand or distributor, usually in 3–7 business days
Make sure this fits your car
Fits: BMW S58: M3 (G80/G81), M4 (G82/G83), M2 (G87). Confirm your exact car with us before ordering.
For off-road / competition use only. Not legal for use on public roads in the United States, including California.
- Shipping at real carrier rates
- 30-day returns on unused parts
- Fitment help before you buy
High-flow cats for the S58 M2, M3 and M4 that free up exhaust flow for quicker spool, sharper boost response and more torque once tuned. They're the first stage of CTS Turbo's modular exhaust and also bolt up to the factory mid-pipes. The sound gets noticeably more aggressive.
What you get
- 304 stainless steel pipes, 3 in (76 mm), with laser-cut flanges.
- 200-cell sport cat in each pipe.
- O2 sensor bungs in factory-like positions.
- Designed from 3D scans and CAD flow simulation, for LHD and RHD cars.
- Fits factory or aftermarket mid-pipes.
Good to know
- Stage 2 software is required, or the check-engine light will come on.
Brand: CTS Turbo · Part #: CTS-EXH-DP-0053-CAT
For off-road / competition use only. Not legal for use on public roads in the United States, including California.
BMW S58: M3 (G80/G81), M4 (G82/G83), M2 (G87). Confirm your exact car with us before ordering.
| Model | Chassis | Years | Engine | Fits |
|---|---|---|---|---|
| M3 | G80/G81 | 2021+ | S58 (BMW M) | |
| M4 | G82/G83 | 2021+ | S58 (BMW M) | |
| M2 | G87 | 2023+ | S58 (BMW M) | |
| X3 M | F97 | 2020–2024 | S58 (BMW M) | |
| X4 M | F98 | 2020–2025 | S58 (BMW M) |
Not sure? Email sales@b58racing.com with your VIN.
- Ships from the brand or distributor, usually in 3–7 business days.
- Shipping is charged at the carrier's rate, shown at checkout. Orders over 70 lb ship by freight for a flat $99.
- Unused parts can be returned within 30 days. Some items are marked no-refund in their description.
Full details are on our shipping and returns page.
Guides for this part
S58 Downpipe Install: G80 M3, G82 M4, G87 M2 and F97/F98 X3 M/X4 M
The S58 has two turbos, so you're swapping two downpipes, two turbo gaskets and four oxygen sensors. The job is done mostly from underneath. You drop the underbody trays and the center brace, support and unbolt the mid p
BMW S58 Mods Guide: M2, M3, M4, X3 M and X4 M Upgrades in Order
On an S58, start with a tune and cooling. These cars make a lot of power stock, and heat is what holds them back on hot days and back-to-back pulls. Next come downpipes and a tune built for them, then fuel: an ethanol an
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