Vibrant 4-1 Merge Collector (1.625in Inlet I.D. Merge O.D. - 2.00in Outlet O.D. - 2.50in) Single Cooling>Radiators The aluminum cover is stiffer

The aluminum cover is stiffer than a stamped cover and therefore allows a higher lever ratio to maintain the pedal efforts at a reasonable level

preventing distortion under pressure

the Mishimoto Universal Air-to-Water Heat Exchangers feature all-aluminum TIG-welded construction

Vibrant Performance Bellmouth-style Velocity Stacks allow for less turbulent air to enter your intake

Vibrant 4-1 Merge Collector (1.625in Inlet I.D. Merge O.D. - 2.00in Outlet O.D. - 2.50in) Single Cooling>Radiators The aluminum cover is stifferVibrant Performance Merge Collectors feature complete 16 gauge, 304 Stainless Steel construction, precise fabrication and back purged TIG welds at every seam. Each Vibrant Performance collector is ready to weld straight out of the box with little or no prep required. Sold individually. Catalog