KYOSTAR 304 Stainless Steel Racing Downpipe for BMW F90 M5 F91 F92 F93 M8 S63 4.4T V8

KYOSTAR 304 Stainless Steel Racing Downpipe

Upgrade your BMW M5 or M8 with the KYOSTAR 304 Stainless Steel Racing Downpipe. Designed for BMW F90 M5 and F91 / F92 / F93 M8 models with the S63 4.4T V8 engine, this downpipe helps improve exhaust flow, delivers a more aggressive exhaust tone, and supports a stronger performance setup.

Built from 304 stainless steel, this racing downpipe is designed for durability, heat resistance, and long-term performance use. The high-flow design helps reduce exhaust restriction compared with the factory setup, making it a solid upgrade for S63-powered BMW builds.

Fitment

• BMW F90 M5 S63 4.4T V8
• BMW F91 M8 Convertible S63 4.4T V8
• BMW F92 M8 Coupe S63 4.4T V8
• BMW F93 M8 Gran Coupe S63 4.4T V8
• Fits Competition models with S63 engine

Note: Only compatible with BMW S63 4.4T V8 models. Not compatible with N63, B58, B48, diesel, or non-M models. Please verify your vehicle year, chassis code, engine, and exhaust setup before purchase.

Package Includes

• 304 stainless steel racing downpipes
• Exhaust clamps
• Mounting hardware
• Gaskets, if included

Professional installation is recommended.