Axle-backs #11376 and #11579 convert your '84-'91 Corvette from the stock 2.25" system to a more aggressive, 2.5" system. To complete this conversion you will need to order a "Y-Pipe" assembly, either a #60001 for the '84-'85 or the #60002 for '86-91
WARNING: This product in the physical form it is sold does not present a hazard. However, operations including, but not limited to welding, brazing, or thermal cutting can expose you to chemicals including Chromium, Nickel, Cobalt, Arsenic, Cadmium and Lead which are known to the State Of California to cause cancer, birth defects and other reproductive harm. - www.p65warnings.ca.gov
CA Residents: WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov