N55 DOWNPIPE - F SERIES - 4" EWG 3' F30 (02/2011 — 01/2016)

3' F30   (02/2011 — 01/2016)

Each set includes a packet of anti-seize grease to place on the factory hub to aid in later removal

Because higher boost levels generate more heat

E & F chassis X5 X6 - 15mm is the only size we make located here

0L BMW E90 335i N54 3

N55 DOWNPIPE - F SERIES - 4" EWG 3' F30 (02/2011 — 01/2016)Gain up to 23whp 29wtq Faster Turbo Spool Improved Exhaust Sound Upgrade to Stage 2+ Tuning SS304 Stainless Steel PROFILE An 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