6" B58 CATTED DOWNPIPE - 240i 340i 440i 540i 640i 740i30 Day Money Back Guarantee PRE ORDER 7 30 HIGHLIGHTS 6" 200 Cell High Flow Catalyst Improved Exhaust Sound Faster Turbo Spool Stage 2+ Tune Compatibility PROFILE The ARM 6" B58 Catted Downpipe is perfect if you're looking for all of the performance of a Catless B58 Downpipe without the odor associated with increased emissions. Our B58 Catted Downpipe design incorporates a 6" high flow 200 cell ceramic catalytic converter, making it a standout choice

we utilized a 6-Axis machining process to produce the largest piping possible in the space available

If your DME build date (not your vehicle's build date) is before June 2020 (6/2020) this service will work for your DME

This does not guarantee you will not get a CEL

• T-Bolt Clamps

0L BMW E92 335xi N54 3

The optional Front Facing Upgrade is the ideal setup for your N63 if you're looking to maximize power

you can pair the ARM downpipe with a full exhaust

Which is paired with our TiAL Flange Charge Pipe

on MT models this port is capped off with the included cap and clamp

The two sections of the ARM 340i Midpipe are joined with a slip-fit style connection and high quality performance-grade exhaust clamps

• FASTER TURBO SPOOL

There are multiple reasons why you would want a catted downpipe for your CC versus a catless downpipe system