SLN S63 200 Cell Pre-LCI Sports Cat Downpipes – BMW F90 M5 & F91–F93 M8
DESCRIPTION
SLN S63 pre-LCI sports cat downpipes replace the compatible factory primary and secondary catalyst sections on UK BMW F90 M5 and F91/F92/F93 M8 applications. The stainless-steel set uses high-flow 200-cell metallic sports catalysts and ceramic coating to improve exhaust flow and reduce radiated heat while retaining catalytic sections.
Key details
- Stainless-steel primary and secondary downpipe set.
- High-flow 200-cell metallic sports catalysts.
- Ceramic coating for exhaust heat management.
- Designed around the pre-LCI S63 exhaust interface.
- OEM-position sensor ports and mounting points.
UK fitment
- BMW F90 M5 – pre-LCI, 2018–2020 build.
- BMW F91/F92/F93 M8 – pre-LCI, 2018–2020 build.
- S63 4.4-litre twin-turbo V8.
Fitment check: Do not use this listing for the later LCI exhaust interface. Confirm chassis, build date and interface before ordering.
DISCLAIMER
Where applicable, the use of de-cats, sports cats and removing OPF/GPF systems is for off-road/motorsport use only. Using these parts may prevent your vehicle from passing an MOT test. Only EC type-approved components are legal and fit for road use.
SHIPPING & WARRANTY
Free UK shipping on all orders. In-stock orders are dispatched Monday–Friday. Please refer to the live dispatch estimate above for the current estimated dispatch day. Tracking is provided once your order is dispatched.
Warranty coverage varies by product and manufacturer. Please contact us if you need confirmation of warranty coverage before ordering. Your statutory rights are unaffected.