KYOSTAR 304 Stainless Steel Downpipe for 2021+ BMW G80 M3 G82 M4 S58 3.0T

KYOSTAR 304 Stainless Steel Downpipe

Upgrade your BMW M3 or M4 with the KYOSTAR 304 Stainless Steel Downpipe. Designed for 2021+ BMW G80 M3 and G82 M4 models with the S58 3.0T 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 downpipe is designed for durability, heat resistance, and long-term use. The performance-focused design helps reduce exhaust restriction compared with the factory setup, making it a solid upgrade for S58-powered BMW builds.

Fitment

• 2021+ BMW G80 M3 S58 3.0T
• 2021+ BMW G82 M4 S58 3.0T
• Fits Competition models with S58 engine

Note: Only compatible with BMW G80 M3 and G82 M4 S58 3.0T models. Not compatible with standard 3 Series, 4 Series, B48, B58, N55, diesel, or non-M models. Please verify your vehicle year, chassis code, engine, and exhaust setup before purchase.

Package Includes

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

Professional installation is recommended.