V band Reducer Assembly Material: Stainless Steel V-Band Clamp make exhaust system into sections, separable and workable for further modifications. Suggest aplication: Connect exhaust pipes of different sizes; Connect long tube headers with exhaust system; Connect exhaust pipes with different size exhaust components ( mufflers, exhaust tips etc ) Way of Assembly: Weld on Standard V-Band Flange Connect 3 1/2" OD Exhaust Pipe; Reducing V-Band Flange Connect 2 1/2" OD Pipe Full Stainless Steel in Thick Gauge, Heavy Duty and Performance Reducer Fantastic Sealing, Leaking-Free can be achieved if welded nicely Smooth Transition, enable the maximum flow to your exhaust system Quick Release Clamp make exhaust SEPARABLE for further modifications