SuperMAXX Stainless Catted Intermediate Section is an excellent way to complete your Dynatech Header System on your 2014-2016 C7 Corvette. Designed with High-flow metallic substrate catalytic convertors which flow 54% better than OEM, it's easy to see why this system is all about increased power. 100% Stainless Steel construction with a Limited Lifetime Warranty makes the SuperMAXX system second to none. Fits with automatic or manual transmissions and takes about 10-12 hours to install. Comes complete with a detailed, full color instruction manual for easy installation. O2 Extension cables and all installation hardware are included. Designed for use with Dynatech Long Tube Headers (part number 715-63810).