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Ships within 48 hours · Estimated delivery Aug 18 - Aug 23
For many owners
Requires cutting only if used with the stock axle back
7 Series G12 740iX Sedan (B58)
The optimal ratio between internal and external cooling surface ensures maximum heat transfer while allowing perfect internal airflow
The BMS OCC retains the factory fully closed loop PCV operation preventing any PCV vapor from leaking to atmosphere
MAD N20 4” Downpipe W/ Bracket BMW 228 328 428 528 emissions compliant downpipe For many ownersUpgrade from the stock N20 downpipe to the MAD N20 catless downpipe for maximum airflow, power, and sound! Upgrade to the MAD BMW N20 downpipe to eliminate the backpressure caused by your stock catalytic converters. By upgrading to our downpipe, your turbo 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 N20with stock turbo, even more on cars with upgraded
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