BMW N55 Catless Downpipe for E82 135i, E9X 335i & E84 X1 Alpina B7 (F01) Flange Inside Diameter (ID): 4"

Flange Inside Diameter (ID): 4" x 6

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NOTE DUE TO LOW SUPPLY AS OF 4/15/2022 AN ADDITIONAL $10 CORE CHARGE HAS BEEN APPLIED TO ALL 2580 CHIPS

The Precision Raceworks Billet Coolant Cap Set is a functional and stunningly stylish way to add a nice touch to any engine bay

ensuring a secure and stable fit

BMW N55 Catless Downpipe for E82 135i, E9X 335i & E84 X1 Alpina B7 (F01) Flange Inside Diameter (ID): 4"Upgrade your BMW 135i, 335i, or X1 35i with the Palenon Performance N55 Race Downpipe designed for E9X E8X N55 engines (2010 2013). This high performance downpipe is the ultimate modification for enthusiasts looking to enhance their vehicle's power and sound. By removing the restrictive factory catalytic converter, our downpipe reduces back pressure, allowing for faster turbo spool and a significant boost in horsepowergaining an impressive 25 30 hp