3" x 3" Stainless Steel RACE Exhaust 1979-1995 Ford Mustang with 5.0L 4V Coyote Modular Engine. For use with KOOKS long tube headers PN: 10512202 or 10512402. For use with 10R80, 6R80, and MT-82 transmissions w/ OEM style bellhousing. Includes Front Connections, X-Pipe, Tailpipes, Mufflers and Turndowns. Includes All Clamps Required for Installation. Because of the CUSTOM nature of these parts, no HANGERS have been supplied. Customer assumes all responsibility of HANGING EXHAUST upon purchase. REQUIRES REMOVAL OF OEM TRANSMISSION CROSSMEMBER MOUNTS. Recommended for use with STIFFLERS transmission crossmember. Exhaust outlet terminates forward of REAR DIFFERENTIAL, within 12" - Legal for NMRA Coyote Stock. FOR MANUAL TRANSMISSION USE PART# 10513102