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Product details
Replace the original M178 AMG GT catalyst sections with HJS assemblies. This application excludes the Black Series, which has its own product. Based in Fort Washington, Pennsylvania, Fabspeed Motorsport designs exhaust, intake and ECU-tuning products for Porsche and other sports cars. Development includes evaluation on a dynamometer, on the road and at the racetrack.
Technical Details
- Manufacturer product reference: FS.MER.GT.SC.
- HJS 200-cell metallic catalyst cores.
- Mandrel-bent T304L stainless-steel construction.
- Original-style inlet and outlet connections.
- Bolt-on installation specified without cutting or welding.
- For the specified two-door M178 GT family, not every vehicle using an AMG GT badge.
- Covered by the Fabspeed Lifetime Warranty, subject to its terms and exclusions.
Installation Resources
PMB Performance brings over 20 years of parts and fitment experience. Send your VIN and the relevant original or modified component details if you need help confirming the application before ordering.
Fitment & Compatibility
| Years | Make | Model / chassis | Version / application | Fitment notes |
|---|---|---|---|---|
| 2015–2021 | Mercedes-Benz | Mercedes-AMG GT / GT S / GT R | M178 V8, where offered | Excludes Black Series, four-door GT and later generations unless separately verified. |