Vibrant 4-1 Merge Collector — 1.875" Inlet ID x 4.000" Outlet OD 304 Stainless (10307)

Vibrant Performance has developed a comprehensive, high quality and affordably priced range of T304 Stainless Steel Merge Collectors to help our customers free up maximum horsepower from their exhaust setup.For many years, turbo merge collectors were almost exclusively used by top professional race teams. However, this proven technology is now commonly used at all levels of professional racing (where rules permit) and now many fabricators are incorporating merge collectors into street header applications.All Vibrant Performance merge collectors feature complete T304 Stainless Steel construction, precise fabrication, top quality TIG Weld and hand porting inside the collector for smooth, unobstructed exhaust flow. All Vibrant merge collectors include a minimum 3" long transition outlet cone. TURBO MERGE COLLECTOR SPECIFICATIONS: Inlet Slipover ID 1.875" Merge Outlet OD 3.500" Transition Cone Outlet OD 4.000" Material 304 Stainless BUILDING A TURBO MANIFOLD?If you're building a turbo manifold for your 4, 6, or 8 cylinder engine these thin wall merge collectors are probably not the best choice. We suggest looking at our 4-1, and 6-1, merge collectors made from 1-1/4" and 1-1/2" pipe size material.