BMW B58 catted downpipe - Active Autowerke 11-062 for M140i M240i M340i M440i

Direct-fit catted downpipe for B58-powered BMWs: M140i, M240i, 340i, M340i, 440i and M440i. No coding or modifications needed.

• GESi G-Sport Ultra High Output cat - OBD2 compliant, no CEL, EPA certified (excl. CA)
• 4.5in 304 stainless primary tapering to 80mm OEM-matching outlet
• TIG welded with stainless flex joint and precision V-band clamp
• Rated for up to 850 hp and 1500°F exhaust temps - suits stock and tuned B58 engines