ARM Motorsports Downpipe | F22 · F23 M235i · F30 · F34 335i · F32 · F33 · F36 435i · F87 M2 | 3.0L Turbo I6 [N55]

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ARM Motorsports Downpipe | F22 · F23 M235i · F30 · F34 335i · F32 · F33 · F36 435i · F87 M2 | 3.0L Turbo I6 [N55]An F30 N55 Downpipe is regarded as the best hardware upgrade to get the most power from your N55 powered F3X BMW. The stock N55 downpipe comes from the factory with a catalyst that severely restricts exhaust flow. Upgrading your downpipe unlocks power, improves turbo spool, allows you to run stage 2+ tuning, and increases the exhaust note of your N55 powered BMW all at once. An N55 downpipe upgrade is the first hardware upgrade every N55 owner should

and more from the palm of your hand

especially at higher RPM

Likely adds more horsepower than stickers (unverified)

Ultra-wide adjustability range: 255mm to 340mm vs 335mm stock

Secondary Air Injection Filter (OPTIONAL)

a compromise between drivability and pedal feel must be made to achieve power handling

Pre-drilled Mounting Holes

Vibrant red color

High quality -Stainless steel

The built-in valve system retains the factory drive select button functionality for an easy same as the stock control

A torque plate is the only way to reliably deliver true round cylinders and proper piston to bore measurement clearances

and Audi 8V A3 with the 2