ARM Motorsports Catless Downpipe | F22 · F23 228i · F30 · F31 · F34 · 320i · 328i · F32 · F33 · F36 428i · F10 528i | 2.0L Turbo I4 [N20] G05 X5 M60i 4.4L Turbo V8 [N63] APR Turbo Outlet System

APR Turbo Outlet System

HPA is proud to offer an OEM+ IS38 Turbo that addresses all the reliability concerns plaguing the OE IHI IS38

Lesser shifters use a stock Audi/VW rubber insulated cable end which is optimized for economically assembling the car at the factory

58% more flow over stock

standing slightly proud of the pan rail as they come out of the box

ARM Motorsports Catless Downpipe | F22 · F23 228i · F30 · F31 · F34 · 320i · 328i · F32 · F33 · F36 428i · F10 528i | 2.0L Turbo I4 [N20] G05 X5 M60i 4.4L Turbo V8 [N63] APR Turbo Outlet SystemThe ARM Motorsports N20 Downpipe is the best hardware upgrade to get the most power from your 320i or 328i. The N20 has a stock downpipe with a catalyst that drastically restricts exhaust flow. This limits not only the amount of power N20 can make on the stock tune, but also prevents upgrading to a stage 2 tune due to excessive back pressure. An N20 downpipe upgrade is the first hardware upgrade every N20 owner should invest in. Upgrading your