| No Cat to New cat, sound difference
| My cars converter is currently hollowed out. I was wondering how much quieter it would be if I put a high flow cat on it. Has anybody done it to theirs? | | |
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1985 Camaro Iroc-Z, 383 TPI, ported TPIS Bigmouth Intake, TPIS Runners, BBK 52mm Throttle Body,
Comp Cams XFI roller 224/230 @.050 .566"/.569" lift 112 LSA, AFR 195cc heads, Dyno Don 1 3/4" headers, TKO-600, Custom burned prom, BBK AFPR, K&N's, UMI Lower Control Arms, Relocation Brackets, Subframe Connectors, Adj. Panhard Bar, Tunnel Mounted Adj. Torque Arm, Caster/Camber Plates, A Arms, 36mm/24mm sway bars, Auburn Pro Posi, Moser Axles | 
