Black Mamba 3″ (76 mm) to 2.5″ (63.5 mm) Decat Downpipe for Mercedes-Benz A35 AMG W177, designed to replace the restrictive OEM catalyst for maximum exhaust flow and power gains. Crafted from premium T304 stainless steel with handmade TIG welds, this direct bolt-on downpipe delivers a proven 16hp gain along with a more aggressive exhaust tone. The high-flow design ensures optimal performance while maintaining exceptional build quality.

Direct bolt-on installation

100% T304 stainless steel construction

Turbo outlet diameter: 3″ (76 mm) reducing to 2.5″ (63.5 mm)

High-flow structure for improved exhaust flow

Handmade TIG-welded joints for maximum durability

Aggressive exhaust sound

Lifetime warranty