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The ARM MK7 GTI Downpipe incorporates a stainless steel flex section between the turbo and mid-pipe mounting point
• Compatible with MHD Flashing Platform
For a deep cleaning from extreme environments
The coating process of the wheels leaves lug holes
MAD BMW S55 3.5" Fat Boy Downpipes M2C M3 M4 W/ Flex Section Chassis_F04 The ARM MK7 GTI DownpipeWe are proud to introduce the MAD S55 Fat Boy 3. 5" Downpipes. These are the largest BMW S55 M2 M3 M4 downpipes on the market. Upgrade from the stock S55 downpipes to the MAD 3. 5" S55 catless downpipes for maximum airflow, power, and sound! Upgrade to the MAD BMW 3. 5" S55 downpipes to eliminate the backpressure caused by your stock catalytic converters. By upgrading to our downpipes, your turbos can now spool faster and achieve maximum power. As a
