ARM Motorsports N63/N63TU 3" Catless Downpipes

ARM Motorsports N63/N63TU 3" Catless DownpipesHIGHLIGHTS Gain up to +43whp 48wtq Improved Turbo Spool Enhanced Exhaust Note Fully Reversible PROFILE ARM Motorsports' new N63 N63TU downpipes for the 4. 4L V8 Twin Turbo powered 550i allows you to take your N63 N63TU engine to the next level. Made with full 304 Stainless Steel and 3" construction these downpipes provide a significant increase in power and torque over the OEM catted downpipes. In addition to the massive power gains, these downpipes

F80 M3 – All Variants

When testing the 7" FMIC on a Stage 2+ N54 335i we found it made an average of 10whp/10wtq over our 5" FMIC upgrade and 35whp/38wtq over the OEM intercooler

The factory charge pipe is connected to the throttle body using an o-ring inside the throttle body flange which is locked in place by a c-clip

Also included with the ARM Inlets is a support bracket for the boost solenoids

bootmod3 contains a full map editor so you can tune your car yourself or with your local tuner of choice as well

The stock N55 downpipe comes from the factory with a catalyst that severely restricts exhaust flow

we finally found a source for the material

effectively removing the CEL that would otherwise appear

* ONLY UP TO 2019 Model YearKIT NOT COMPATIBLE with 2020+ B58 Vehicles

and F series

Developed and tested for over a year under the harsh conditions of racing

Optional HKS Super Sequential Blow Off Valve now available