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The ARM N63/TU Catless Downpipes are compatible with the cars on the list below that have a slip-fit style OEM downpipe only
This will give the charged air flowing from the turbo/s in your N54 or N55 powered BMW one uninterrupted pathway from the turbos to the intercooler and from the intercooler to the charge pipe
We also offer a DIY kit that includes everything you'll need to create your own active cooling solution here: https://arcterminator
there is no cutting or trimming of the OEM exhaust system
N54 INLETS e39 The ARM N63/TU Catless DownpipesHIGHLIGHTS Gain up to +60whp 60wtq Faster Turbo Spool Increased Turbo Volume PROFILE The ARM Motorsports N54 Inlets are the ultimate relocated inlet system for your N54. Relocating the inlets on your N54 with the ARM Inlets increase the power and torque of your N54 up to 60whp 60wtq. Expect improved turbo spool, faster peak boost, and more volume from the turbochargers on your N54. If you're looking to max out your stock or upgraded twin turbochargers