View Single Post
      12-04-2011, 12:32 AM   #1
Evolution Racewerks
Evolution Racewerks's Avatar

Drives: E90 N54 | F30 N20 | F10 N55
Join Date: Feb 2008
Location: Baldwin Park, CA

iTrader: (3)

Exclamation EVOLUTION RACEWERKS | Your Number One Source For N54+N55 Downpipes!

At Evolution Racewerks, we believe that customers should have the maximum flexibility of product selection and the choice to select products that suit each and every individual's needs; thus we are proud to offer all tested and proven downpipes on the market today!

We have in stock most, if not all, downpipe selections from Macht Schnell, AR Design, and Berk Technology.

Macht Schnell:
N54 Catless
Downpipe Features:
- 76.2mm overall diameter, eliminating restrictive factory pre-cats and crush bends
- 100% T304 Stainless Steel construction, using mandrel bends
- Precision TIG welded joints
- Heavy-Duty Stainless V-Band/Exhaust flanges
- Heavy-Duty locking fasteners and exhaust gaskets included
- Factory O2 locations retained with Stainless Steel bungs
- Pre-installed Stainless EGT bungs for easy thermocouple mounting

Thermal Coated:

AR Design:
N54 Catless/Catted/XI
Typical gains with tuning in the 30bhp range!
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 flanges.
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
Available with a 2000F ceramic coating. Coatings come with a 3 year warranty against corrosion and rust to original owner.
Lifetime warranty against any manufacturing defects given to original owner.


Hi-Flo Race Cats

XI Fitment

N55 Catless

N55 with High-Flo Race Cats

Berk Technology:
N55 Catless
Ultra low backpressure 4" downpipe
23HP gain over stock at the same boost level with no tuning devices
30TQ gain over stock at the same boost level with no tuning devices
Straight shot design for zero restriction and high velocity
Largest possible tubing for quicker spool
Zero taper on flange at turbo for largest possible pressure differential
Largest downpipe on the market, uses more 4" tube than the competition
100% Made in the USA
Optional: Ceramic coatings normally used for race pistons for much greater thermal barrier protection compared to exhaust coatings

Please pm me or send all inquiries to for special e90post pricing as well as installation combo packages.