N54 Catless Downpipes Cen-Cal
Pipe size Performance downpipe
Catalyst Catless
Application B58 BMW / Supra
Build data

Specs that matter for this part

Hardware

Flow-focused exhaust path

Large-diameter tubing, smooth bends, and a flex section reduce restriction versus the factory exhaust path.

Validation

Catalyst configuration

Catless setup. Review local emissions requirements and product notes before street use.

Requirement

Direct bolt-on hardware

Designed to retain OEM-style fitment without cutting or welding on supported applications.

Downpipes can affect emissions readiness, sound level, and calibration needs. Review the product description before ordering.

Cen-Cal BMW N54 Catless Downpipes – Maximum Airflow, Power & Sound

Upgrade from the stock N54 catless downpipes to the Cen-Cal N54 Catless Downpipes for maximum airflow, power, and sound!

Upgrade to the Cen-Cal BMW N54 downpipes to eliminate the backpressure caused by your stock catalytic converters. By upgrading to our downpipes, your turbos can now spool faster and achieve maximum power. As a bonus, your car will sound a lot nicer as well.

Expect up to a 30HP increase on a tuned BMW N54 with stock turbos, even more on cars with upgraded turbos.

Key Features:

  • Compatible with right-hand drive and left-hand drive vehicles
  • Smooth bends for maximum airflow without any drone
  • Up to 30HP increase on the stock turbos, even more on upgraded turbos
  • Spot-on fitment
  • Gaskets and bolts not always included but can reuse stock

Fitment:

  • 2011–2012 BMW 1M
  • 2008–2010 BMW 135i
  • 2007–2010 BMW 335i
  • 2011–2013 BMW 335is
⚠️ THIS PRODUCT IS FOR OFFROAD USE ONLY

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