B46/B48 Stainless Steel Downpipe Upgrade [Race Downpipes] Model:B48 At the core of the

At the core of the system is Eventuri’s patented carbon Venturi filter housing

Part #: nrgRST-018R-RS

Aluminum bracket

75 lbs) for Perfect Shift Feel

creating a more direct and higher-volume airflow path to the turbos

B46/B48 Stainless Steel Downpipe Upgrade [Race Downpipes] Model:B48 At the core of theSpool B46 B48 Downpipe Important Note: Many BMW owners in the US mistakenly assume they have the B48 engine, but all U. S. market 30i models are equipped with the B46 engine. After purchasing, please send an email to customer_service@spoolperformance. us with your VIN to confirm fitment. It is very important for us to verify what engine you have as we have both models in stock. Why upgrade to a downpipe? A downpipe is one of the best bang for your