Sports Series 4" High Flow Catted Downpipe for the 5/6/7 Series N55 (6 Cylinder) Engine g21 Note - For customers who

Note - For customers who have the Aquamist Methanol Injection Kit

0 B58 Engine (A90/A91)

your motor oil is in better shape to protect the bearings in your car's engine

Plug and play installation

it will blend into the engine bay and look like the factory turbo inlet hose

Sports Series 4" High Flow Catted Downpipe for the 5/6/7 Series N55 (6 Cylinder) Engine g21 Note - For customers whoOur Competition Series 4" Downpipes for your 2011 16 535i (F10), 2011 16 640i (F13) and 2011 15 740i (F01). Key Features: Made in the USA! Manufactured in house. Available for the 2011+ BMW 535i (F10) with the N55 Engine. Available for the 2011+ BMW 640i (F12 F13) with the N55 Engine. Available for the 2011+ BMW 740i (F01) with the N55 Engine High Flow 200 cell metallic catalytic converter used. Better throttle response and faster turbo spool up