BMW N63 & N63TU Catless Race Downpipes for 550i, 650i, 750i, Alpina B6 B7, X5, X6 (F Chassis) 318i (G20) The factory plastic part heats

The factory plastic part heats and cools thousands of times and eventually becomes brittle and will crack and fail

Note the LED display is not water-proof and care should be taken to ensure it doesn't get soaked

unrestricted airflow to maximize efficiency and power

The JB4 is an easy to install plug and play tuner that attaches to sensors in the engine bay and works with your factory ECU tuning to remap boost

Expertly crafted using premium-grade carbon fiber

BMW N63 & N63TU Catless Race Downpipes for 550i, 650i, 750i, Alpina B6 B7, X5, X6 (F Chassis) 318i (G20) The factory plastic part heatsExperience unparalleled power and performance for your BMW N63 N63tu engine with the Palenon Performance N63 Downpipe. Designed to optimize flow and reduce backpressure, this high performance N63 downpipe enhances spool speed and unlocks an impressive increase of 45 50 horsepower and 40 60 tq. Crafted from mandrel bent SS304 stainless steel, it offers maximum durability, mind blowing exhaust sound, and is backed by a lifetime warranty and satisfaction