Although not needed to run a set of MBH Motorsports long tube headers. The MBH Motorsports stainless steel mid-section makes instalation and mating your MBH Motorsports long tube headers a simple task. This is also upgrade your factory mid-section to better flowing 3 inch tubing. Our mid-section will delete your unmonitored secondary cats. This bolts from the back of your MBH Motorsports headers to your factory resonator.  Expect about 5-10 wheel horsepower gain.