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bench-tested
BMW G8X models (G80
Upgrade your turbocharged BMW or Toyota Supra with the MAD B58 Gen 2 Charge Pipe
With the MAD BMW intercooler
MAD BMW S55 3.5" Fat Boy Downpipes M2C M3 M4 W/ Flex Section Silver Ceramic Coated: (Required):No bench-testedWe 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
US$ 88.00
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