Supra 2JZ GE Turbo Manifold Divided Twin Scroll T3 T4 2J Swap MK4 IS300 SC300 SSFeatures: Equal length runners for maximum flow & quicker spooling time Engineered to be a bolt on replacement of OEM manifold for easy installation We used minimal welding points for the design of this manifold, resulting in less weld points than most competitors Runner Wall Thickness: 3. 0mm Flange Thickness: 12mm Laser Cut T3 T4 Twin Scroll Turbo Flange TIG welded Turbo Mounting Studs & Gaskets Included Designed for use with 50mm Wastegate's