545e G30 / 745e G11 G12 OPF - Downpipe catless/sportcat Type:200Cel sportcat + Heat Shield Model year of compatible cars:

Model year of compatible cars: 2011-2016

is a very well designed system in the given space available

+ 38% N55LK

built with the highest quality parts and a modern chipset

We have also managed to increase the inlet tube cross-sectional area by over 30% compared to the stock intake as it feeds through the openings in the strut braces

545e G30 / 745e G11 G12 OPF - Downpipe catless/sportcat Type:200Cel sportcat + Heat Shield Model year of compatible cars:This downpipe made from high quality mandrel bent and TIG hand welded T304 stainless steel is a direct bolt on upgrade for the B58 engine. With a high manufacturing quality, this downpipe coming with his installation kit is for sure the best bang for your bucks with an high flow structure and optional anti thermal stainless steel heat shields designed to limit the spread of heat in the engine bay. Direct bolt on Diameter 4. 5" 115mm > 3. 5" 90mm 100%