ARM Motorsports Catless Downpipes | E82 · E88 135i · 1M · E90 · E92 · E93 335i | 3.0L Turbo I6 [N54]

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ARM Motorsports Catless Downpipes | E82 · E88 135i · 1M · E90 · E92 · E93 335i | 3.0L Turbo I6 [N54]Take your N54 powered BMW 135i to the next level with ARM Motorsports' 3" catless downpipes. The ARM N54 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 catless downpipes allows your 135i to run boost settings of Stage 2 tunes and beyond. The ARM 135i catless downpipes are designed with a 3"

Nickle-based superalloy K418 high-flow 68/63mm turbine wheel

Upgrade TTE Billet Milled compressor 6+6 Blade

Bolt-on kit

Sewen on Embroidered COBB TUNING Patch

Unlocks / Locks APR security lockout

These extreme manufacturing and QC processes have built IE's leading reputation in HPFP reliability and cemented our HPFP designs as the popular choice for those requiring a worry-free operation

Factory timing gears are notorious for coming loose in high RPM conditions

Special TTE Reinforced Bearing System

capable of withstanding boost from even the most demanding builds without deforming or expanding under pressure

This adapter kit will fit most 4" inlets without any modification

25mm drop for front

Ported compressor outlets

Exchange/Return Notes