SLN B58 Super 5" Ceramic-Coated Decat Downpipe – BMW M140i, M240i, 340i, 440i & 540i
DESCRIPTION
The SLN Super 5-inch ceramic-coated decat downpipe is designed for the Gen 1 BMW B58 exhaust interface. Its 5-inch inlet transitions into a 4-inch flex section to provide a large, smooth-flowing catless downpipe, while the ceramic coating reduces radiated heat below the airbox.
Key details
- 5-inch inlet transitioning into a 4-inch flex section.
- Catless stainless-steel downpipe.
- Ceramic coating for exhaust heat management.
- Designed for the Gen 1 / early B58 interface.
UK fitment
- BMW F20/F21 M140i.
- BMW F22/F23 M240i.
- BMW F30/F31 340i.
- BMW F32/F33/F36 440i.
- BMW G30 540i with the Gen 1 / early exhaust interface.
Fitment check: Confirm the Gen 1 turbo-to-downpipe and downstream exhaust interface before ordering; model year alone is not sufficient.
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.