
CTS Turbo 4.5″ HIGH-FLOW CAT for MK5/A90/A91 2020-2025 Toyota Supra
Ships free in the US
Make sure this fits your car
Fits: GR Supra 3.0 A90/A91
- Shop tested in Dallas
- Free pickup in Dallas
- Installs at our shop
The CTS Turbo High-Flow Cat for the 2020+ Toyota Supra B58 is made to maximize exhaust flow for the highest power gains. Do not compromise performance and sound with factory parts – unleash your Toyota Supra’s potential!
Designed using the latest in CAD technology; this part is made to fit perfectly in place of your factory downpipe. Manufactured from T304 stainless steel, hand TIG welded and back purged to ensure years of reliable performance.
Features:
- 4.5″ high-flow cat downpipe, reducing down to 3.15″ or 80mm for perfect fitment to a factory or aftermarket exhaust
- Replaces restrictive factory downpipe with high-flow 200cell catalytic converter
- Precisely designed and tested on a real car in the real world
- T304 stainless steel, TIG welded back-purged construction
- Great power upgrade with uncompromising performance
- Incredible sporty exhaust sound, subtle when cruising
- No drone with factory exhaust
- Fitment for B58 engines only
We recommend replacing the downpipe gasket when installing, factory BMW gasket 18328612538 is required (not included).
Catalytic converters damaged by “crackle tune” are not covered under warranty.
Fitment:
- 2020+ MK5 A90/A91 Toyota Supra with B58 3.0L engine only
Stage 2 software is required to avoid check engine light. Only fits cars without GPF/OPF.
Listed for these cars. Check the title and description for exact years, body styles and drivetrain.
| Make | Model | Chassis | Years | Fits |
|---|---|---|---|---|
| Toyota | GR Supra 3.0 | A90/A91 | 2020+ |
Not sure? Call or text 945-954-1142 with your car or VIN.
- Free US shipping on orders over $250.
- Free pickup at our Dallas shop, usually ready within 24 hours.
- Unused parts can be returned within 30 days. Tunes, opened electronics, merch and installed parts are final sale.
- Want it installed? Book the install at thegbmotors.com.
Full details are on our shipping and returns page.
More for your build


CTS Turbo 4.5″ High-Flow Cat for BMW B58 1/2/3/4/5/7 Series RWD & XDrive (2016-2024)


CTS Turbo B58TU/B58C BMW, Toyota Supra Intake Resonator Delete


CTS Turbo BMW F-series 340i/440i B58 GEN1 Midpipe Upgrade

