Flowmaster introduces their new manifold downpipe system for the 1968-1974 Chevrolet Corvette with 327 and 350 V8 engines and manual transmissions. These 2.25" mandrel bent pipes include factory style 3-bolt flanges, donut gaskets and mounting system for an easy installation. This downpipe kit can be used with Flowmaster's new crossmember-back systems. Constructed in durable 409S stainless steel, the pipes are covered by Flowmaster's Lifetime Limited Warranty.