B58 CHARGE PIPE - 240i 340i 440i 540i 640i 740i S5 Intercooler there is a CNC machined

there is a CNC machined flange for perfect fitment with new bolts to replace the course threaded factory screws

To secure the boost

• Fits OEM and Aftermarket Mufflers

The ARM B8 Test Pipe also features a mounting bracket that lines up with the OEM location mounting point

B58 CHARGE PIPE - 240i 340i 440i 540i 640i 740i S5 Intercooler there is a CNC machined30 Day Money Back Guarantee IN STOCK HIGHLIGHTS Increased 3" Diameter Tri Port NPT CNC Machined Fittings Mandrel Bent T6061 Aluminum PROFILE The ARM B58 Charge Pipe is a bulletproof charge pipe replacement for the plastic OEM B58 charge pipe. The ARM B58 Charge Pipe increases the diameter over the OEM charge pipe, resulting in increased airflow from the turbo to the engine, and improved throttle response. Upgrading the charge pipe on your B58 is one