aFe Twisted Steel Header 409 Stainless Steel w/ Cat (48-46001-1HC) 1703 3 Description_ASM Front S4K FMSI

3 Description_ASM Front S4K FMSI D1363 2010 and up GMC Savana G1500 6

Restriction-Free Flow Throughout -Single piece mandrel bent tubing welded to a single piece merge collector removes unwanted steps

ACT Difference: Forged

the Venturi housings are sealed against an air duct which draws ambient air from the same location as the stock system

4 2WD Description_ASM Front Greenstuff 7000 Street sport FMSI D702 98 thru 99 LINCOLN Navigator 5

aFe Twisted Steel Header 409 Stainless Steel w/ Cat (48-46001-1HC) 1703 3 Description_ASM Front S4K FMSIaFe POWER's Twisted Steel Headers are constructed of 1 5 8" 16 gauge 409 stainless steel tubing with 3 8" thick CNC Laser cut flanges to ensure a leak free seal. To eliminate dead space that can cause turbulence and hinder flow that formed s are prone to produce, a mitered merge and optimized tube lengths are used for true pulse control technology improving flow and performance. The smooth curves and increased diameter of this header helps remove