




BMW S55 Twin-Turbo Catless PCZ Downpipes
We deliver all products Australia wide from our Melbourne warehouse. We also offer free pickup and installation. Please contact us.
We offer professional installation of all our products in our Melbourne workshop. Contact us for more information
KEY FEATURES
- Engineered for refined performance
- Designed to deliver smooth, confident response under load
- Quality tested by us
Wake Up the Monster: PCZ BMW S55 Twin-Turbo Catless Downpipes
The S55 engine is a masterpiece, but the factory exhaust routing chokes its true potential. The PCZ S55 Catless Downpipe Upgrade completely removes that restriction right at the turbochargers. Engineered specifically for the 3.0L Twin-Turbo F80 M3, F82/F83 M4, and M2 Competition, this dual-downpipe set unlocks the raw, aggressive inline-six rasp and aggressive spool sound your M car should have had from the factory.
Crafted with premium, heavy-duty stainless steel and precision smooth-radius bends, this setup maximizes exhaust velocity, slashes backpressure, and sets the stage for massive hardware power upgrades.
Massive Performance Gains (Stage 2 Mandatory)
If you want to push your S55 past the factory limits, deleting the restrictive primary catalytic converters is non-negotiable. When paired with a Stage 2 ECU software calibration (e.g., Bootmod3 or MHD), the numbers speak for themselves:
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Power Boost: Expect massive dyno-proven gains of +50 to +70+ horsepower depending on your fuel quality (such as 98 RON or full E85 blends).
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Torque Unleashed: Adds an incredible +80 to +110+ Nm of torque, delivering a brutal, neck-snapping midrange pull.
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Instantaneous Spool: Noticeably reduces turbo lag, allowing the twin mono-scroll turbos to build boost instantly when you drop your foot.
⚠️ Important CEL Notice: Because this is a high-flow, track-oriented catless racing system, installing it will trigger a Check Engine Light (CEL) on a stock ECU. To disable the error and unlock the full power potential safely, a software tune / stage upgrade is required.
Professional installation is highly recommended due to the tight clearances on the S55 chassis. For off-road and track use only.
Why Run PCZ S55 Downpipes?
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Uncompromising M Acoustic: Delivers a deep, mechanical, track-ready exhaust note under load, complete with aggressive lifting burbles and cracks.
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True 3-Inch Smooth Flow: Mandrel-bent piping ensures zero neck-downs or internal turbulence, optimizing exhaust gas velocity.
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Enduring Build Quality: Built to survive intense thermal expansion, track-day heat cycles, and real-world elements without warping.
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Perfect Precision Fit: Retains all factory O2 sensor placement positions and mounts directly to the OEM mid-pipes.
Vehicle Fitment Guide
This dual-downpipe kit is a direct bolt-on replacement for models equipped with the S55 3.0L Twin-Turbo Inline-6 engine:
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M3 Sedan (2015 – 2018)
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F80 M3 / M3 Competition
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M4 Coupe & Convertible (2015 – 2020)
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F82 / F83 M4, M4 Competition, M4 CS
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M2 Coupe (2018 – 2021)
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F87 M2 Competition (Note: Does not fit standard N55 single-turbo M2)
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We ship Australia-wide using premium couriers to ensure your mods arrive safe and fast.
- Dispatch: 1–5 Day Turnaround
- Transit: 4–10 Business Days (Regional may vary)
- Secure: Signature on delivery available for high-value carbon parts.
- Local: Shipping directly from our Victoria warehouse.
Important: Please inspect your parts and report any transit damage within 48 hours so we can fast-track a resolution for you.

Specifications
Detailed specifications for the BMW S55 Twin-Turbo Catless PCZ Downpipes

We offer professional fitment, installations and modifications at our workshop for all parts and models. Weather you want a part installed or a full custom modification, we can help.

We are the home of the Euro meet. Because we are so deeply embedded in the community, we know the trends before they happen. When you choose PCZ, you aren't just a customer—you're joining a family of enthusiasts who value prestige, performance, and the perfect drive.
We offer professional fitment, installations and modifications at our workshop for all parts and models. Weather you want a part installed or a full custom modification, we can help.
We are the home of the Euro meet. Because we are so deeply embedded in the community, we know the trends before they happen. When you choose PCZ, you aren't just a customer—you're joining a family of enthusiasts who value prestige, performance, and the perfect drive.


Contact Us
Contact us for installation, fitment or any additional specifications about this BMW S55 Twin-Turbo Catless PCZ Downpipes






