




Gen 3 B58 Downpipe - RVNG 6” (G20, G22, m340i)
The RVNG 6" Gen 3 B58 Catless Downpipe is the largest on the market, built specifically for the latest B58TU2 engine. Crafted from premium TIG-welded SS304 stainless and engineered for maximum flow, this 6" pipe outflows every other downpipe out there — for improved turbo response, reduced back-pressure, and the raw, aggressive sound your B58 was meant to make.
Key features
- 6" diameter for unmatched exhaust flow
- Built for Gen 3 B58TU2 engines
- Full TIG-welded stainless steel construction
- CNC-machined flanges for OEM-like fitment
- 100% catless for maximum performance and sound
- Designed, tested, and proven in-house by RVNG RaceWorks
Fitment
All Gen 3 B58TU2 BMWs — G20 / G22 M340i, M440i, and M240i. A tune is required to avoid a CEL, but not required to run safely.
Emissions disclaimer: This product is not legal for sale or use on pollution-controlled vehicles operated on public roads and is intended for off-road, race, or closed-course competition use only. You are responsible for compliance with all applicable emissions laws; use on public roads may violate the Federal Clean Air Act (42 U.S.C. § 7522) and similar state laws. Please check your local laws before purchase and installation.
Ships from our Vancouver shop — KORE SPEED is proudly Canadian-owned, with no surprise cross-border duties for Canadian buyers. Questions on fitment? Email support@korespeed.com.
Pairs well with

Gen 3 B58 Downpipe - RVNG 6” (G20, G22, m340i)
If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, within 24 hours on weekdays.
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