Aeroflow Merge Coll 1 3 4 3 AF4175-300 sr20 brace Machined in-house at Turbosmart

Machined in-house at Turbosmart

Toyota Boxes (supra

Custom build your exhaust with high quality Aeroflow components

variable actuator cap and base

Aeroflow Merge Coll 1 3 4 3 AF4175-300 sr20 brace Machined in-house at Turbosmart1 3 4" Primary's into 3" Collector Outlet 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 hand porting inside the collector ensures unrestricted, smooth exhaust flow to prevent power loss and excessive backpressure. Inlets are all measured Inside Diameter enabling the tube to easily