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0L engine bay with carbon fiber
you simply select one of the three holes
Generates 12" of ground clearance at the rockers
APR Side Rocker Extensions are the next step to help aerodynamically tune the handling of your 2015-2018 BMW M4 F82
QTP 4.00 Inch AR3 Muffler Atlas 0L engine bay with carbonWe recognized through our own racing program that something was missing in the industry. The AR3 Muffler was born. The AR3 delivers a high quality muffler with a compact design with excellent flow characteristics while helping drivers and tracks support environmental concerns. The AR3 Muffler delivers maximum performance in a small, lightweight package. A low profile height combined with a free flowing perforated internal baffle to minimize resonance.
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