I took my car to the muffler shop today with no mufflers.. just runnin with the Catco H pipe.. and it was hElla loud.. so i got done at the muffler shop i just but some flows on it... and when he started it it still sound like chit.. it was loud as heLL still.. you couldnt even hear the roar of the flowmasters... he said that the cats are probably clogged up.. do u agree or wat?

