AWD BMW 335xi N54 Catless Downpipe (E90, E92, E93) - ARM Motorsports universal or a 200-Cell High-Flow Catalyst

or a 200-Cell High-Flow Catalyst

While all bucketless fuel pumps flow

BMW X Series

All of these features including the exhaust valve control can be independently enabled or disabled right from the driver's seat

& Intake testing

AWD BMW 335xi N54 Catless Downpipe (E90, E92, E93) - ARM Motorsports universal or a 200-Cell High-Flow CatalystTake your N54 powered BMW 335xi to the next level with ARM Motorsports 3" catless downpipes. The ARM N54 AWD catless downpipes eliminate the restrictive OEM converters on the stock downpipes allowing the exhaust to flow more freely, increasing power and torque. Because higher boost levels generate more heat, the ARM 335xi catless downpipes allows your AWD N54 to run boost settings of Stage 2 tunes and beyond. HIGHLIGHTS Gain up to +25whp 37wtq