bmw m4 stainless steel downpipes

Product description: Our stainless steel high-flow downpipes allow for faster spool, better transient boost response, higher boost, and great sound. Our downpipes are the first part of our modular exhaust system and are compatible with factory mid-pipes. Item name Stainless Steel downpipes for BMW Materials Stainless steel 304 Model BMW F80/F82 M3/M4/M2 Exhaust System Transmission Auto Placement Exterior exhaust Features: Large 3″ downpipes Durable 304 grade stainless steel