Momentum B58 5" Race Downpipe Heat Shield:No The CSL style design gives

The CSL style design gives the engine bay a more aggressive and performance-focused appearance

If you're looking to give your M5 a more commanding front-end appearance

OEM-like operation with factory switch

and secure mounting

Why Upgrade to a Valved Exhaust

Momentum B58 5" Race Downpipe Heat Shield:No The CSL style design givesMomentum 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