Suitable for the Mercedes GT43 / GT50 / GT53 AMG X290 4-door coupe with the 3.0L Turbo M256 engine, AXI Performance offers both catless and catted downpipe (with a 200 Cells High Flow Sports Catalytic Converter). Constructed from High-Quality Stainless Steel (T304) it ensures improved exhaust sound and power. The AXI Downpipe is designed for 100% OEM fit, making it easy to replace the factory part for models with or without OPF/GPF. Benefits include improved exhaust flow, enhanced turbo response, and a more pronounced exhaust note.