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Ghunt I totally agree. I meant to say HF vs no cats is not a huge volume difference. HF don't muffle the sound very much. I use to run them and was surprised at how little they effected the overall volume when I took them off.
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06 Satin Silver GT - Auto...ROUSH M90 CAI, Afco Dual Fan HE, 4.10s,Truetrac, Detroit Rockers, DSS DS, TCI Rachet Shifter, PA Deep Pan, Eibach Handling, FR P Springs, Strange Shocks/Struts, J&M UCA/LCA, SS Lines/ EBC Slotted/Dimpled Rotors w/Reds, Mickey Thompson SC5, Nitto 255/305, 2011 leather, Pypes LT's/H-Pipe, MBRP Resonators, Borla
2011 NHRA Sportsman Class Hawaii State Champion
12.23 @ 113 mph
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