Black Mamba 3.5" (89 mm) to 3" (76 mm) Decat Downpipe for VW Golf 7 GTI, Seat Leon 3 Cupra, and Skoda Octavia 5E VRS 2.0 TFSI EA888.3 engines, designed to replace the restrictive OEM catalyst for optimal exhaust flow and power gains. Constructed from premium T304 stainless steel with mandrel bends a..