740i

The RedStar B58N/B58X Downpipe is engineered for the B58B30M2 engine, delivering a substantial performance boost. By removing the restrictive stock catalyst|OPF, this high-performance downpipe enhances exhaust flow, resulting in increased power and a more aggressive sound. Optimized for the OE design, it provides a significant improvement to your...

REDSTAR EXHAUST downpipe for The BMW B58 Engine. Optimized design, and provides a huge increase in exhaust flow *Please add VIN in notes section when checking out* 340i B58 Catless Downpipe Stage 2 Video