i have no smog pump, no mufflers, just dumpa after the stock h-pipe. i have the stock 4 cats, but i am not sure if i will pass.
if i can get it to pass, it should be ont the road in about 2-3 weeks
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1988 Mustang GT, T-5
3.08's, No Smog Pump (Shorty Belt), Dumps At The End Of Stock H-Pipe, K&N Air Filter (Stock Air Box), Removed Air Silencer
My Stang
My Site (Not Done Yet)