WE have a few sets made and on the shelf. Ready to ship!
https://www.n54tuning.com/evolution-...downpipes.html
Our new Competition Series 4.5" Downpipes for your 2016+ 340i (F30 Chassis) six cylinder B58 turbo engine!
Key Features:
Fitment for the new BMW B58 Engine
Higher Max Horsepower Power Curve
Higher Intial Torque Curve. Torque curve hits faster and higher and longer.
Better throttle response and faster turbo spool up times.
Mandrel Bent 4.5" piping. Smooth transition to the exhaust system.
100% Stainless Steel Construction
100% TIG welded for better quality welds
Precision CNC machined turbocharger V-Band flange.
Brush Finish (standard) or optional Polish Finish
Available with high temperature Black Thermal Coating to reduce underhood temperatures.
Optional - Additional O2 sensor bung for wideband O2 sensors (comes with pre-installed plug)
Optional EGT sensor bung for EGT gauges (comes with pre-installed plug)
Compatible with the factory or aftermarket exhaust systems.
Track tested durability.
Includes all hardware for complete installation.
Limited Lifetime Warranty.