STM Stainless Steel Exhaust Manifold Head Flange for 4G63 Evo/DSM Engine Mount • Design: CNC Mandrel Bent

• Design: CNC Mandrel Bent

but if you're having ignition issues

The I-Beam design allows added beam to cylinder wall clearance for stroker applications

The QRT-K weighs 13

Dyno testing and tuning verified the intakes ability to make power and 6mos of road testing through winter/spring in Minnesota confirmed real-world performance

STM Stainless Steel Exhaust Manifold Head Flange for 4G63 Evo/DSM Engine Mount • Design: CNC Mandrel BentThis 304 stainless steel STM exhaust manifold head flange fits all Mitsubishi 4G63 heads including Evo 1 9, 1G 2G DSM and GVR4 models. The flange is machined with a recessed oval port that accepts 1. 5" schedule 10 pipe once it has been shaped and stretched. Doing it this way does take more time and gives you less options for runner routing, but in the end, it makes a better finished product with the smoothest transitions possible. Vehicle Fitment: