Active Autowerke BMW B58N X5-40i X3-40i X7-40i 540i 640i 740i GESI Catted Downpipe (2025 and newer) brace

Active Autowerke BMW B58N X5-40i X3-40i X7-40i 540i 640i 740i GESI Catted Downpipe (2025 and newer) braceNO PERFORMANCE TUNE NEEDED. Active Autowerke BMW B58N Gen 3 Catted Downpipe this is not for M340 and M440 B58N Gen 3 which also incorporates a new GPF into the downpipe. NOTE: Fitment applies to US model cars only unless specifically stated. We cannot guarantee fitment to non US model cars. BMW introduced a new valvetronic, single turbo version of its direct injection engine for the later F Chassis models beginning in 2016 and carried over to the G

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Ideal for Forced Induction Applications with no loss of HP

High-Flow X-Pipe Midsection: Centralized X-pipe balances exhaust pulses between banks

-Available for 91 - 93 octane

Minimizing back pressure while remaining daily drive-ability was the goal of our N20 downpipe

Independent Supercharger Oil Cooler

built of 100% new Brushed Finish 304 stainless steel

this combo is the perfect desk ornament

Consistent diameter tubing for increased performance

A stock BMW E46 M3 is around 265 WHP

BMW's S55 motor is a modern marvel but one weak point (beside the weedeater sound which is easily corrected with one of our midpipes) we've identified is the entire cooling system for the intake which comprises the charge pipe

One will experience a high smell of unburnt fuel