The mod Cobra's react best to Long tube Headers. BBK makes a great LT+H-pipe combo.
From what I hear, you have to drop the K-member to install the drivers side Header, which means supporting the engine w/ a cherry picker.
------------------
T-Bones 1997 Cobra#6342 born 6-11-97
Wht/blk, Pro 5.0,FRPP 4.56's, aluminum driveshaft, FRPP throttle body, C&L 80mm MAF, K&N, Steeda U/D pulleys, Steeda timing adjuster, Flowmasters, s/f connectors, FRPP pro springs, BBK caster/cambers.
My old 96GT