ar design 135i / 335i / 335xi 4(inch) Catless Downpipe (N55, 2011-)

ar design 135i / 335i / 335xi 4(inch) Catless Downpipe (N55, 2011-)

Product Information

Features:

- The only TRUE 4" off-road downpipe currently on the market!

- 100% hand crafted in the USA from premium 304 stainless steel - flanges and O2 bungs included!

- Water-jet cut 304 stainless cat-back flanges, and CNC'd 304 stainless V-Band flange.

- 100% TIG welded, argon back-purged.

- Set of our exclusive bomb-proof exhaust gaskets included.

- Grade 10.9 Metric hardware (145,000PSI tensile strength, C32-C39 rockwell, zinc plated), and nord-lock positive locking re-usable washers included.

- Factory location O2 bungs, and an additional bung for a wideband o2!

- Available with a 2000

Product Code: AR G5

In Stock: 5

Quantity: Add to Basket

Your #1 Source for Performance Parts for the N54/N55