Doesn't have a crackling sound. It's a deep blub, blub, blub sound. Happens when I let off on the gas after I get done accelerating. Hope I explained it effectively
Thanks
-Troy
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1995 GT Convertible, 5 Speed
Novi 2000 showing 9# of boost, Pro-M 77mm Mass Air Meter, 30# Injectors, 255lph Walbro Intank Fuel Pump, Bassani Equal Length Headers, X-Pipe & Cat-Back, Steeda G-Trac Stage 3 Suspension, Kenny Brown Extreme Sub System, Pro 5.0 Shifter, Cobra R Rims, FRPP King Cobra Clutch, Steeda Adjustable Clutch Quadrant & Cable