Aeroflow Stainless Steel 4 into 1 Merge Collectors AF4250-450 Product:2-1/2" Primary's into 4-1/2" Collector Outlet Exhaust Cut-Out Body Inside Diameter

Exhaust Cut-Out Body Inside Diameter - 76

Internal Diameter - 4

Denso Injector to USCAR Plug Adapter

Part Number: AF4030-34515

Aeroflow Stainless Steel 4 into 1 Merge Collectors AF4250-450 Product:2-1/2" Primary's into 4-1/2" Collector Outlet Exhaust Cut-Out Body Inside DiameterStainless Steel 4 into 1 Merge Collectors 2 1 2" Primary's into 4 1 2" Collector Outlet Brand: AEROFLOW Part Number: AF4250 450 Description: Aeroflow 4 into 1 merge collectors are made out of T304 stainless steel that is durable enough to stand up to the elements and combine high flow and high velocity to increase and broaden an engines torque curve. The handporting inside the collector ensures unrestricted, smooth exhaust flow to prevent power loss