Active Autowerke GESI Catted Downpipes - S58 X3 M / X4 M (F97/F98)
Ships from the brand or distributor, usually in 3–7 business days
Make sure this fits your car
Fits: BMW S58: X3 M (F97), X4 M (F98)
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
Turbos are driven by exhaust gas, so how fast that gas clears the turbine affects spool. Active Autowerke found the factory S58 downpipes on the X3 M and X4 M restrictive, and these catted downpipes replace them to let exhaust flow out more freely.
What you get
- Replacement downpipes for the twin-turbo S58.
- GESI catalytic converters, as named in the product title.
- Less restriction than the OEM downpipes, for quicker exhaust flow and turbo spool.
- No performance tune needed, per Active Autowerke.
Good to know
- Fitment is for US-model cars. Active Autowerke can't guarantee fitment on non-US cars.
For off-road / competition use only. Not legal for use on public roads in the United States, including California.
BMW S58: X3 M (F97), X4 M (F98)
| 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
Pairs well with
Active Autowerke AFlow Catted Downpipes - S58 X3 M / X4 M (F97/F98)
CTS Turbo BMW S58 F97/G01 X3M/X3MC & F98/G02 X4M/X4MC High-Flow CATS
Spool S58 Race Downpipes - F97 X3 M / F98 X4 M
