Competition Series Catless Primary Downpipe 2023+ 760i xDrive S68 Engine G87 Introducing our Competition Series 4"

Introducing our Competition Series 4" Downpipes for the 2011-15 X1 s/xDrive28i/20i/16i

The secondary downpipes are after the secondary o2 sensor that monitors the catalytic converter so changing it will not set off a check engine light (CEL)

It does not increase to 2

EVERY FMIC is pressure tested to 50 PSI of pressure before they are shipped to ensure no leakage

Available for the 2020-24 BMW M135i B48 Engine

Competition Series Catless Primary Downpipe 2023+ 760i xDrive S68 Engine G87 Introducing our Competition Series 4"Introducing our new Competition Series Primary Downpipes for your twin turbo S68 engine! Fits 2023+ BMW 760i xDrive. Key Features: Made in the USA! Manufactured in house. Now available for the 2023+ BMW 760i xDrive S68 Engines! Higher Max Horsepower Power Curve Higher Initial Torque Curve. Torque curve hits faster and higher and longer. Better throttle response and faster turbo spool up times. Mandrel Bent 3" piping. Smooth transition to the exhaust