Sports Series 4.5" High Flow Catted Downpipe for the B58 (6 Cylinder) Engine clubman The cooling system on the

The cooling system on the N54 & N55 engine is already at its maximum capacity and we have seen overheating issues with both oil and coolant while racing

2014-18 X4 xDrive28i/20i/18i and 2011-16 Z4 sDrive28i/20i/18i N20 (4 Cylinder) Engine

one of the intake pipes on the turbo blew off and we could not test any higher

Capable of supporting "Big Turbo" high horsepower (up to 600hp) applications

Sports Series 4.5" High Flow Catted Downpipe for the B58 (6 Cylinder) Engine clubman The cooling system on theOur Sports Series 4. 5" High Flow Catted 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 High Flow 200 cell metallic catalytic converter used Higher Max Horsepower Power Curve Higher Initial Torque Curve. Torque curve hits faster, higher, and longer Better throttle response and