2005-10 Mustang GT 1 5/8" headers. Includes off road pipes, 2 1/2" x pipe to connect to factory exhaust system. Tig welded 304 s/s headers with 3/8" thick flanges and smooth flow collectors. Includes (4) 24" long O2 extensions, clamps. Combined with our 3" exhaust, and a proper tune, numerous customers have seen gains of over 30 RWHP and 30 RWFT# over stock.
