Kooks - 105022021 3/4in. x 3in. 18GA Stainless Steel Long Tube HeadersFor use with Maximum Motor1-3/4" x 3" Stainless Steel Long Tube Headers. For use with Maximum Motorsports K-Member PN:MMKM-2.1. For use with 10R80, 6R80, and MT-82 transmissions w/...