Momentum B58 5" Race Downpipe Heat Shield:No open or close the valves

open or close the valves using your stock drive mode settings

BMW M8 (F91 / F92 / F93) (2019+)

High-Performance Race Downpipes – McLaren 650S / 600LT/ 570S / 540C / MP4-12C

and secure mounting

OEM-like operation with factory switch

Momentum B58 5" Race Downpipe Heat Shield:No open or close the valvesMomentum B58 5" Race Downpipe Unleash the full potential of your B58 powered BMW or Toyota Supra with the Momentum B58 5" Race Downpipe. Designed to significantly outflow the restrictive factory downpipe, this upgrade improves turbo efficiency, reduces backpressure, and delivers sharper throttle response, stronger top end pull, and a more aggressive exhaust note. Constructed from high quality T304 stainless steel, this downpipe is built for long term