aFe Power Twisted Steel Header for 2006 BMW 325i(48-36307-1) 1523 The collector on the Tomei

The collector on the Tomei headers were made using the lost wax method

The Truhart StreetPlus Coilover system is a full monotube design coilover with integrated aluminum top mounts

Integrated nitrous ports (provided with block-off bungs if not running nitrous)

The housing is designed to retain the same water fording height as the factory intake system while providing more air flow and better protection

aFe Power Twisted Steel Header for 2006 BMW 325i(48-36307-1) 1523 The collector on the TomeiTwisted Steel Header 304 Stainless Steel w Cat. aFe POWER Twisted Steel Long Tube Headers are constructed of near equal length 1 1 2 IN 16 gauge 304 stainless steel tubing with thick flanges to ensure a leak free seal. To eliminate dead space that can cause turbulence and hinder flow that formed collectors are prone to produce, true merge collectors and optimized tube lengths are used for true pulse control technology improving flow and performance.