ACTIVE AUTOWERKE 400 CELL CATTED DOWNPIPE: BMW G8X M

Unlock the full potential of your BMW G80 M3, G82 M4, or G87 M2 with Active Autowerke's Signature Catted Downpipes featuring GESI G-Sport catalytic converters. Designed to replace the restrictive OEM downpipes, these high-performance downpipes offer increased power, quicker turbo spool, and an exhilarating sound worthy of an M car. Featuring ultra high-flow GESI UHO-Series catalytic converters, these downpipes not only boost performance but are also compliant with EPA regulations in 49 states.

Constructed from durable 304 stainless steel, the 3-inch diameter piping maintains high flow capacity while reducing back pressure, ensuring quicker spool and improved throttle response. These downpipes are rated for engines producing between 500 to 850 horsepower, making them ideal for both daily drivers and performance enthusiasts.

• No CEL for catalytic efficiency with GESI high-flow catalytic converters
• 4.5" GESI catalytic converters with 3" piping for maximum exhaust flow
• EPA registered and fully OBD2 compliant (49-state legal)
• Rated for engines producing 500 to 850 horsepower
• Quick turbo spool for improved throttle response
• Durable TIG-welded 304 stainless steel construction
• Bolt-on installation with no cutting or welding required
• Withstands temperatures up to 1500°F
• 5-year/50,000-mile warranty on the shell and tube ends; 2-year/25,000-mile warranty on the catalytic core (void if excessive exhaust burble is present)
• Made in Miami, Florida