BMW B58 TURBO BACK EXHAUST SYSTEM - M240i/340i/440i30 Day Money Back Guarantee IN STOCK B58 DOWNPIPES The ARM B58 Downpipe is one of the foundational upgrades for giving your B58 powered BMW more power, torque, and sound. We offer THREE different versions of the B58 downpipe. Those versions include, 4. 5in Downpipe, 6in Downpipe, and 6in Catted Downpipe. The stock B58 downpipe comes from the factory with a catalyst that severely restricts exhaust flow, causing excessive backpressure with increased

The air filter in the ARM MK7 Intake Kit utilizes an inverted design to maximize surface area

but is also compatible with the OEM downpipes and midpipes or upgraded downpipes and midpipes that utilize OEM style connections

This J Pipe is the final piece of piping on the S55 before the charge air enters the intake manifold

0L BMW F32 435i xDrive N55 3

0L BMW E93 335xi Convertible N54 3

The ARM N54 Turbo Outlets increase power on your N54 equipped BMW by improving airflow post-turbo

The clamp uses Stainless Steel hardware for a long lasting

Upgrading to a ARM 3" 8P A3 downpipe will improve the exhaust note on your 2

• Massive 4" Intake Pipe

which allows full use of the OEM exhaust valves

The ARM Dry Air Filters included in the kit are made of high quality multimedia material designed to allow maximum airflow to your engine while providing effective filtration

This filter comes with a machined adapter to allow it to easily snap into the OEM SAI hose