BMW X6M F86 Catless & High-Flow Catted Downpipes — S63 4.4L Twin-Turbo V8 | 2015–2019
YPG Motorsport catless downpipes for the BMW X6M F86. Direct bolt-on replacement for the factory catalytic converters on the S63 4.4L twin-turbo V8. Same hot-vee S63 architecture as the F85 X5M, F10 M5, and F1x M6 — removing factory cats eliminates the primary restriction in the exhaust path, delivering faster turbo spool, stronger mid-range torque, and a louder, deeper exhaust note.
Available in catless, 200-cell high-flow catted, and 400-cell GESI catted configurations.
- Material: SS304 stainless steel, mandrel-bent, TIG-welded
- Fitment: BMW X6M F86 (2015–2019)
- Engine: S63 4.4L twin-turbo V8
- Power gains: +25–45 WHP (catless with Stage 2 tune)
- Warranty: Lifetime warranty against manufacturing defects
Stage 2 ECU calibration required with catless installation. Bolt-on fitment using factory mounting points.
Ships worldwide from YPG Motorsport — free shipping to the GCC, USA, UK, and EU.
⚠ MOTORSPORT USE ONLY — LEGAL DISCLAIMER
This product is sold for motorsport, off-road, and competition use only. It is not legal for use on vehicles operated on public highways in jurisdictions where emissions equipment removal is prohibited. The buyer assumes full responsibility for compliance with all applicable local, state, and federal laws.
These downpipes are the hardware prerequisite for Stage 2 power. Pair them with the matching ECU tune to extract the full gains.
View Stage 2 Tune →



