Berk Technology BMW 135i 2010-up N55 4" Ceramic Coated Downpipe

SKU: 09K6R | MPN:  BT1855-HPC

Sale price$649.99 USD

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  • 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
  • Reinforced brackets for proper support on the turbo and manifold assembly
  • 100% Made in the USA
  • Ceramic coatings normally used for race pistons for much greater thermal barrier protection compared to exhaust coatings
  • Thermal barrier coated inside and out.


What's in the box:
  • Qty 1- Berk Technology 4" 304 stainless steel downpipe
  • Qty 2 - Berk Technology Gaskets
  • Qty 8 - Nordlock Vibration Proof Locking Washers
  • Qty 4 - Mounting Bolts
  • Qty 4 - Flange Nuts

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