BMW F Series N55 335i/ 435i/ M2 Downpipe Upgrade (4" EWG) - ARM Motorsports Select Downpipe:Catless The result

The result

• 2019+ G20 G21 BMW 318d

this is 73whp and 126wtq gain over the

• 2009-2013 Audi S3 8P

Boosts airflow and performance

BMW F Series N55 335i/ 435i/ M2 Downpipe Upgrade (4" EWG) - ARM Motorsports Select Downpipe:Catless The resultAn 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