Vibrant Exhaust Manifold Flanges for LS1 LS2 LS3 LS6 LS9 (Stainless) (14332) DBA but we will make it

but we will make it easy: This is the manifold we used on the STM RS

A2040-281-A-120 - Recommended for Fuel Injected (30 to 110 psi base pressure)

75 3798956515SBC 18x9

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Vibrant Exhaust Manifold Flanges for LS1 LS2 LS3 LS6 LS9 (Stainless) (14332) DBA but we will make itVibrant Performance T304 stainless steel exhaust manifold head flange for GM LS1 LS2 LS3 LS6 LS9 motors. 3 8" thick flange with port sizing optimized for use with standard wall round tube. Sold as a pair. Includes two flanges. Vehicle Fitment: GM LS1 LS2 LS3 LS6 LS9 Motors Specs: T304 Stainless Steel 3 8" Thick Port size optimized for standard wall round tube Purchase Includes: (2) Flanges See more Vibrant Performance Products