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Description

MAD BMW N54 Downpipes 335I X-DRIVEUpgrade from the stock N54 downpipes to the MAD N54 catless downpipes for maximum airflow, power, and sound! Upgrade to the MAD BMW N54 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 bonus, your car will sound a lot nicer as well. Expect up to a 30HP increase on a tuned BMW N54 with stock turbos, even more on cars with

with sharper edges

Sedan 2009 BMW 335d Base 3

We test each unit before we ship it

Carbon fiber Air guide

Designed specifically for the F8X platform

Recommended Accessories:

Important fitment notes

Continental Flex Fuel sensor 3-wire harness

is a possibility and your willingness to accommodate it should be taken into account before proceeding with your order

0L Twin Turbo (E82/88)2007-2010 BMW 335i/xi L6-3

Valve Simulators: Why do you need them

0l L6 N54B30A Sedan GAS 224 KW 2979 ccm 6 RWD 2009 BMW 528i Base 3