Overview
The N55's factory downpipe includes a pre-catalyst that restricts exhaust flow from the single turbocharger. This high-flow catted downpipe replaces that restriction while retaining catalytic function — with a heat shield included for underbonnet protection.
Why Upgrade?
- High-flow catalyst significantly less restrictive than the factory pre-cat or OPF
- Improved exhaust flow and turbo response versus the OEM downpipe
- Retains catalytic converter — better suited to road-registered vehicles
- Stainless steel construction for durability
- More defined exhaust tone on tuned applications
Engineering Focus
SS304 stainless steel with high-flow catalyst and heat shield. Designed for N55 applications across the F22, F32, F36 and F87 chassis.
Built for the Drive, Not Just the Dyno
The factory N55 downpipe is sized to pass certification, not to flow freely — it's the first real restriction the exhaust gases meet after the turbo. This kit clears it without giving up the catalyst, so the car stays road-legal and gains the turbo response across a wide span of single-turbo N55 platforms, with a heat shield protecting everything around it.
Fitment
Compatible with:
- BMW M2 Competition F87 (2018–2021) — 3.0L S55 Twin Turbo
- BMW M2 F87 (2016–2018) — 3.0L N55 Single Turbo
- BMW M235i F22 (2014–2016) — 3.0L N55 Single Turbo
- BMW 435i F32 / F33 / F36 (2013–2016) — 3.0L N55 Single Turbo
- BMW 335i F30 / F31 (2012–2015) — 3.0L N55 Single Turbo
- BMW M140i F20 / F21 (2012–2019) — 3.0L N55 Single Turbo
- BMW M140i F20 / F21 (2016–2019) — 3.0L B58 Single Turbo
Note: verify your specific model, year, engine code and build variant before ordering, or message us your rego/VIN and we'll confirm it for you.
What's Included
- High-flow catted downpipe assembly
- Heat shield
- Supplied gaskets and installation hardware
Specifications
- Material: SS304 Stainless Steel
- Catalyst: High-flow
- Features: Heat shield included
- Engine: N55 3.0T
- Fitment: OEM flange replacement
Shipping & Fit
- Confirmed fitment by chassis and engine code before you buy, not after
- Worldwide shipping, cost calculated at checkout for your destination
- Australian Consumer Law returns on all unused, unfitted parts
- Questions about your specific build? Message us — real people, real platform knowledge
Delivery & Support
Your order is carefully inspected before dispatch and backed by VCTR Performance support. For product availability, shipping estimates or fitment assistance, contact our team.