Overview
The factory B58 downpipe includes a pre-cat that limits post-turbo exhaust flow. This catless unit removes that restriction, improving turbo spool and supporting improved exhaust flow for tuned B58 F-Series applications.
Why Upgrade?
- Removes the most restrictive element in the factory B58 exhaust path
- Improved turbo spool and throttle response
- More defined exhaust tone on tuned applications
- 4.5-inch downpipe diameter for improved flow
- Stainless steel construction
Built for the Drive, Not Just the Dyno
A catless downpipe is the clearest sign a build has moved past stock thinking — every gram of post-turbo restriction gone, replaced with 4.5 inches of free-flowing stainless. It's a road-and-track piece, not a daily-comfort one — pair it with a tune to get the most from it.
Fitment
Compatible with:
- BMW M240i F22 B58 (2016+)
- BMW 340i F30 B58 (2016+)
- BMW 440i F32/F36 B58 (2016+)
- BMW 540i F10 B58 (2016+)
This is a catless unit for off-road/track use. Tuning is strongly recommended.
What's Included
- Catless downpipe assembly
- Supplied gaskets and installation hardware
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.