I used a piece of copper tubing that bends but stays pretty firm on a pipe for my buddy's 90 GT...and yes, the 87-93 had 4 cats too....just move it around in there and keep bangin that sucker on the ground til its quiet in there...
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1992 5.0 LX, V-1 S-Trim @8LBS, Edelbrock 6037 Heads, Cobra Intake,E-303, 1.6 Roller Rockers,65MM Holley TB, 75 MM Pro M Mass Air, 190 LPH FP w/ 24 lb injectors,MSD 6A and BTM, BBK equal length shorties, offroad h-pipe,Mac Flowpath Mufflers, Pro 5.0, 3.73's,Motorsport "C" springs,welded subframe connectors, Ponies w/ 225/50 Nittos, Dark Green w/ 93 Cobra Spoiler
Daily driver: 89 Coupe with 207K plus, BBK shorties,offroad h-pipe,2-chamber flowmasters with dumps
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