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.
06 Satin Silver GT - Auto...ROUSH M90
PI 3k Stall, CAI, Afco Dual Fan HE, 4.10s,Trutrac, Detroit Rockers, Moroso, DSS DS, TCI Rachet Shifter, PA Deep Pan, Eibach Handling, FR P Springs, Strange Shocks/Struts, BMR, SS Lines/ EBC Rotors w/Reds, Mickey Thompson SC5, Nitto 255/305, Corbeau A4, Pypes LT's/H-Pipe, MBRP Resonators, Borla
2015 Sportsman Champion.