AWD BMW 335xi N54 Catless Downpipe (E90, E92, E93) - ARM Motorsports universal 4 cylinder models require a

4 cylinder models require a single adapter

Cowl Filter Applications (E chassis BMW Only)

Horsepower Supported 100% E85: 600

Compared to the drastic 61 degree increase we recorded with the OEM intercooler on only a slightly warmer 79 degree day

While all bucketless fuel pumps flow

AWD BMW 335xi N54 Catless Downpipe (E90, E92, E93) - ARM Motorsports universal 4 cylinder models require aTake 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