Competition Series 4.5" Catless Downpipe for the B58 (6 Cylinder) Engine n63 this application will be no

this application will be no different

Factory diverter valve sound baffle

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

how much heatsoak the OEM intercoolers would have

Competition Series 4.5" Catless Downpipe for the B58 (6 Cylinder) Engine n63 this application will be noOur new Competition Series 4. 5" Downpipes for your 2016+ 240i 340i 440i 540i, 2016+ 740i 840i, 2017+ X3 X4 X5 X6 X7 M40iX & Z4 M40i six cylinder B58 turbo engine! Key Features: Made in the USA! Manufactured in house. Fitment for the new BMW B58 Engine Higher Max Horsepower Power Curve Higher Initial Torque Curve. Torque curve hits faster, higher, and longer Better throttle response and faster turbo spool up times Mandrel Bent 4. 5" piping. Smooth