aFe Power Twisted Steel Header for 2006 BMW 325i(48-36307-1) 1523 Coupes and spiders

Coupes and spiders

Progressive 5 Layer Cotton Gauze Material

PN 140828 and the more aggressive S-Type sound level

Add adapter 60564 for Regular Cab Long Bed (141

aFe Power Twisted Steel Header for 2006 BMW 325i(48-36307-1) 1523 Coupes and spidersTwisted 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.