And, they're manufactured to your exhaust's specs, with a premium honeycomb design that optimizes your air flow. These Caprice catalytic converters bolt directly onto your exhaust without welding or pipe bending, so you're up and on the highway in a jiffy! For California drivers, we have a Caprice catalytic converter that performs like a champ and still passes your state's rigorous air quality standards! A 5-year, 50,000-mile warranty ensures durability for years of driving pleasure. Add on free shipping and our bargain prices and you see why our customers come back time and again for the best quality products and service in the biz!