BMW F Series N55 335i/ 435i/ M2 Downpipe Upgrade (4" EWG) - ARM Motorsports skoda This kit is strongly suggested

This kit is strongly suggested for any BMW E chassis automatic running larger than factory turbos

These high performance DW or IDX 42mm fuel injectors come packaged in flow matched sets of six and are compatible with the Fuel-It

such provisioning allows compatibility with the OEM Diverter valves proprietary gray clamps OR with BOV's while also allowing plug and play support of the OEM PTC heater element

You will need to order the RB PCV Screw-On Cap as a separate item in order to receive it

Flex Fuel Capability

BMW F Series N55 335i/ 435i/ M2 Downpipe Upgrade (4" EWG) - ARM Motorsports skoda This kit is strongly suggestedAn F30 N55 Downpipe is regarded as the best hardware upgrade to get the most power from your N55 powered F Series BMW. The stock N55 downpipe comes from the factory with a catalyst that severely restricts exhaust flow. Upgrading your downpipe unlocks power, improves turbo spool, allows you to run stage 2+ tuning, and increases the exhaust note of your N55 powered BMW all at once. An N55 downpipe upgrade is the first hardware upgrade every N55 owner