Large-diameter tubing, smooth bends, and a flex section reduce restriction versus the factory exhaust path.
Validation
Catalyst configuration
Review product description 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.
CENCAL N55 Downpipe for BMW M135, M235, M2, 335, and 435
Key Features:
Engineered with smooth bends to optimize airflow while eliminating drone
Boost your performance with up to 30HP gain on stock turbos, and even greater gains with upgraded turbos
Backed by a lifetime warranty against defects and guaranteed fitment
Precision fitment for easy installation
Compatibility:
2014–2015 M135i & Xdrive (produced after 07/13)
M235i & Xdrive
M2
2014–2015 335i & Xdrive (produced after 07/13)
435i & Xdrive
Elevate your BMW's performance with the CENCAL N55 Downpipe, designed for enthusiasts seeking power and precision.
⚠️ THIS PRODUCT IS FOR OFFROAD USE ONLY
Status
Ready to ship
Application window
Built for listed BMW B58 applications and Toyota Supra. Coverage includes M240i, 340i, 440i, 540i, 740i, X3/X4 M40, X5 40i, X7 40i, Z4 M40i, and Supra where listed.
Install requirements
Difficulty
Professional install recommended
Time
Varies by chassis and exhaust hardware condition
Tools
Lift access, exhaust tools, O2 sensor tools, and new hardware as needed
Recommendation
Inspect clamps, gaskets, sensors, and clearance during installation.
Installation notes
Confirm supporting hardware and calibration requirements before installation.
Shipping
Orders ship with tracked delivery and insurance coverage options at checkout.
Returns
Unopened items may be returned inside the stated return window per policy terms.
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